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List:       kde-commits
Subject:    [gcompris] /: build, set minimal version of Qt to 5.6.0
From:       Johnny Jazeix <null () kde ! org>
Date:       2017-04-30 15:36:51
Message-ID: E1d4qu3-0000R9-L3 () code ! kde ! org
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Git commit 6c203a3accc5f0f9d4befe3ab0c426a38bb2d367 by Johnny Jazeix.
Committed on 29/04/2017 at 17:06.
Pushed by jjazeix into branch 'master'.

build, set minimal version of Qt to 5.6.0

M  +2    -11   CMakeLists.txt
M  +1    -1    src/activities/advanced_colors/AdvancedColors.qml
M  +1    -1    src/activities/algebra_by/Algebra.qml
M  +1    -1    src/activities/algebra_by/AlgebraBy.qml
M  +1    -1    src/activities/algebra_by/AlgebraText.qml
M  +1    -1    src/activities/algebra_by/algebra.js
M  +1    -1    src/activities/algebra_div/AlgebraDiv.qml
M  +1    -1    src/activities/algebra_minus/AlgebraMinus.qml
M  +1    -1    src/activities/algebra_plus/AlgebraPlus.qml
M  +1    -1    src/activities/algorithm/Algorithm.qml
M  +1    -1    src/activities/algorithm/algorithm.js
M  +1    -1    src/activities/align4-2players/Align42players.qml
M  +1    -1    src/activities/align4-2players/Piece.qml
M  +1    -1    src/activities/align4-2players/align4.js
M  +1    -1    src/activities/align4/Align4.qml
M  +1    -1    src/activities/alphabet-sequence/AlphabetSequence.qml
M  +2    -2    src/activities/baby_wordprocessor/BabyWordprocessor.qml
M  +1    -1    src/activities/babymatch/Babymatch.qml
M  +1    -1    src/activities/babymatch/DragListItem.qml
M  +1    -1    src/activities/babymatch/DropAnswerItem.qml
M  +1    -1    src/activities/babymatch/ListWidget.qml
M  +1    -1    src/activities/babymatch/TextItem.qml
M  +1    -1    src/activities/babymatch/babymatch.js
M  +1    -1    src/activities/babymatch/resource/board/board1_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board2_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board3_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board4_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board5_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board6_0.qml
M  +1    -1    src/activities/babymatch/resource/board/board7_0.qml
M  +1    -1    src/activities/babyshapes/Babyshapes.qml
M  +1    -1    src/activities/babyshapes/resource/board/board1_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board2_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board3_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board4_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board5_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board6_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board7_0.qml
M  +1    -1    src/activities/babyshapes/resource/board/board7_1.qml
M  +1    -1    src/activities/babyshapes/resource/board/board7_2.qml
M  +1    -1    src/activities/babyshapes/resource/board/board7_3.qml
M  +1    -1    src/activities/babyshapes/resource/board/board7_4.qml
M  +1    -1    src/activities/balancebox/BalanceContact.qml
M  +1    -1    src/activities/balancebox/BalanceItem.qml
M  +2    -2    src/activities/balancebox/Balancebox.qml
M  +1    -1    src/activities/balancebox/Goal.qml
M  +1    -1    src/activities/balancebox/Wall.qml
M  +2    -2    src/activities/balancebox/balancebox.js
M  +2    -2    src/activities/balancebox/editor/BalanceboxEditor.qml
M  +1    -1    src/activities/balancebox/editor/EditorTool.qml
M  +1    -1    src/activities/balancebox/editor/balanceboxeditor.js
M  +1    -1    src/activities/ballcatch/Ball.qml
M  +1    -1    src/activities/ballcatch/Ballcatch.qml
M  +1    -1    src/activities/braille_alphabets/BrailleAlphabets.qml
M  +1    -1    src/activities/braille_alphabets/BrailleChar.qml
M  +1    -1    src/activities/braille_alphabets/BrailleMap.qml
M  +1    -1    src/activities/braille_alphabets/FirstScreen.qml
M  +1    -1    src/activities/braille_alphabets/Screen.qml
M  +1    -1    src/activities/braille_alphabets/braille_alphabets.js
M  +1    -1    src/activities/braille_fun/BrailleFun.qml
M  +1    -1    src/activities/braille_fun/braille_fun.js
M  +1    -1    src/activities/canal_lock/CanalLock.qml
M  +1    -1    src/activities/canal_lock/Lock.qml
M  +2    -2    src/activities/categorization/Categorization.qml
M  +1    -1    src/activities/categorization/CategoryReview.qml
M  +2    -2    src/activities/categorization/MenuScreen.qml
M  +1    -1    src/activities/categorization/Zone.qml
M  +1    -1    src/activities/categorization/categorization.js
M  +1    -1    src/activities/categorization/resource/board/category_alphabets.qml
M  +1    -1    src/activities/categorization/resource/board/category_animals.qml
M  +1    -1    src/activities/categorization/resource/board/category_birds.qml
M  +1    -1    src/activities/categorization/resource/board/category_colors.qml
M  +1    -1    src/activities/categorization/resource/board/category_fishes.qml
M  +1    -1    src/activities/categorization/resource/board/category_food.qml
M  +1    -1    src/activities/categorization/resource/board/category_fruits.qml
M  +1    -1    src/activities/categorization/resource/board/category_household_goods.qml
 M  +1    -1    src/activities/categorization/resource/board/category_insects.qml
M  +1    -1    src/activities/categorization/resource/board/category_living_beings.qml
 M  +1    -1    src/activities/categorization/resource/board/category_monuments.qml
M  +1    -1    src/activities/categorization/resource/board/category_nature.qml
M  +1    -1    src/activities/categorization/resource/board/category_numbers.qml
M  +1    -1    src/activities/categorization/resource/board/category_renewable.qml
M  +1    -1    src/activities/categorization/resource/board/category_shapes.qml
M  +1    -1    src/activities/categorization/resource/board/category_tools.qml
M  +1    -1    src/activities/categorization/resource/board/category_transports.qml
M  +1    -1    src/activities/categorization/resource/board/category_vegetables.qml
M  +1    -1    src/activities/checkers_2players/Checkers2Players.qml
M  +3    -3    src/activities/chess/Chess.qml
M  +1    -1    src/activities/chess/Piece.qml
M  +1    -1    src/activities/chess/chess.js
M  +1    -1    src/activities/chess_2players/Chess2Players.qml
M  +1    -1    src/activities/chess_partyend/ChessPartyEnd.qml
M  +1    -1    src/activities/chronos/Chronos.qml
M  +1    -1    src/activities/chronos/resource/board/board1_0.qml
M  +1    -1    src/activities/chronos/resource/board/board2_0.qml
M  +1    -1    src/activities/chronos/resource/board/board3_0.qml
M  +1    -1    src/activities/chronos/resource/board/board4_0.qml
M  +1    -1    src/activities/chronos/resource/board/board5_0.qml
M  +1    -1    src/activities/chronos/resource/board/board5_1.qml
M  +1    -1    src/activities/chronos/resource/board/board5_2.qml
M  +1    -1    src/activities/chronos/resource/board/board5_3.qml
M  +1    -1    src/activities/chronos/resource/board/board5_4.qml
M  +1    -1    src/activities/chronos/resource/board/board6_0.qml
M  +1    -1    src/activities/chronos/resource/board/board6_1.qml
M  +1    -1    src/activities/chronos/resource/board/board6_2.qml
M  +1    -1    src/activities/chronos/resource/board/board6_3.qml
M  +1    -1    src/activities/click_on_letter/Carriage.qml
M  +1    -1    src/activities/click_on_letter/ClickOnLetter.qml
M  +1    -1    src/activities/click_on_letter/click_on_letter.js
M  +1    -1    src/activities/click_on_letter_up/ClickOnLetterUp.qml
M  +1    -1    src/activities/clickanddraw/Clickanddraw.qml
M  +1    -1    src/activities/clickgame/Clickgame.qml
M  +1    -1    src/activities/clickgame/Fish.qml
M  +1    -1    src/activities/clickgame/clickgame.js
M  +1    -1    src/activities/clockgame/Clockgame.qml
M  +1    -1    src/activities/color_mix/ColorButton.qml
M  +1    -1    src/activities/color_mix/ColorChooser.qml
M  +1    -1    src/activities/color_mix/ColorMix.qml
M  +1    -1    src/activities/color_mix_light/ColorMixLight.qml
M  +1    -1    src/activities/colors/ColorItem.qml
M  +1    -1    src/activities/colors/Colors.qml
M  +1    -1    src/activities/colors/FindIt.qml
M  +1    -1    src/activities/colors/findit.js
M  +1    -1    src/activities/crane/Controls.qml
M  +1    -1    src/activities/crane/Crane.qml
M  +1    -1    src/activities/crane/crane.js
M  +1    -1    src/activities/details/Details.qml
M  +1    -1    src/activities/details/resource/board/board10_0.qml
M  +1    -1    src/activities/details/resource/board/board11_0.qml
M  +1    -1    src/activities/details/resource/board/board12_0.qml
M  +1    -1    src/activities/details/resource/board/board13_0.qml
M  +1    -1    src/activities/details/resource/board/board14_0.qml
M  +1    -1    src/activities/details/resource/board/board15_0.qml
M  +1    -1    src/activities/details/resource/board/board16_0.qml
M  +1    -1    src/activities/details/resource/board/board17_0.qml
M  +1    -1    src/activities/details/resource/board/board18_0.qml
M  +1    -1    src/activities/details/resource/board/board19_0.qml
M  +1    -1    src/activities/details/resource/board/board1_0.qml
M  +1    -1    src/activities/details/resource/board/board20_0.qml
M  +1    -1    src/activities/details/resource/board/board21_0.qml
M  +1    -1    src/activities/details/resource/board/board2_0.qml
M  +1    -1    src/activities/details/resource/board/board3_0.qml
M  +1    -1    src/activities/details/resource/board/board4_0.qml
M  +1    -1    src/activities/details/resource/board/board5_0.qml
M  +1    -1    src/activities/details/resource/board/board6_0.qml
M  +1    -1    src/activities/details/resource/board/board7_0.qml
M  +1    -1    src/activities/details/resource/board/board8_0.qml
M  +1    -1    src/activities/details/resource/board/board9_0.qml
M  +1    -1    src/activities/drawletters/Drawletters.qml
M  +1    -1    src/activities/drawnumbers/Drawnumbers.qml
M  +1    -1    src/activities/enumerate/AnswerArea.qml
M  +1    -1    src/activities/enumerate/Enumerate.qml
M  +1    -1    src/activities/enumerate/ItemToEnumerate.qml
M  +1    -1    src/activities/enumerate/enumerate.js
M  +1    -1    src/activities/erase/Block.qml
M  +1    -1    src/activities/erase/Erase.qml
M  +1    -1    src/activities/erase/erase.js
M  +1    -1    src/activities/erase_2clic/Erase2clic.qml
M  +1    -1    src/activities/erase_clic/EraseClic.qml
M  +1    -1    src/activities/explore_farm_animals/AnimalDescriptionLevels.qml
M  +1    -1    src/activities/explore_farm_animals/AnimalLevels.qml
M  +1    -1    src/activities/explore_farm_animals/ExploreFarmAnimals.qml
M  +2    -2    src/activities/explore_farm_animals/ExploreLevels.qml
M  +1    -1    src/activities/explore_farm_animals/resource/board/board1.qml
M  +1    -1    src/activities/explore_monuments/Explore_monuments.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board1.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board2.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board3.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board4.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board5.qml
M  +1    -1    src/activities/explore_monuments/resource/board/board6.qml
M  +1    -1    src/activities/explore_world_animals/ExploreWorldAnimals.qml
M  +1    -1    src/activities/explore_world_animals/resource/board/board1.qml
M  +1    -1    src/activities/explore_world_animals/resource/board/board2.qml
M  +1    -1    src/activities/explore_world_animals/resource/board/board3.qml
M  +1    -1    src/activities/explore_world_music/ExploreWorldMusic.qml
M  +1    -1    src/activities/explore_world_music/resource/board/board1.qml
M  +1    -1    src/activities/fifteen/Fifteen.qml
M  +1    -1    src/activities/fifteen/fifteen.js
M  +1    -1    src/activities/followline/Followline.qml
M  +1    -1    src/activities/followline/LinePart.qml
M  +1    -1    src/activities/followline/followline.js
M  +1    -1    src/activities/football/Football.qml
M  +1    -1    src/activities/football/football.js
M  +1    -1    src/activities/geo-country/GeoCountry.qml
M  +1    -1    src/activities/geo-country/resource/board/board10_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board10_1.qml
M  +1    -1    src/activities/geo-country/resource/board/board11_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board11_1.qml
M  +1    -1    src/activities/geo-country/resource/board/board11_2.qml
M  +1    -1    src/activities/geo-country/resource/board/board11_3.qml
M  +1    -1    src/activities/geo-country/resource/board/board12_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board13_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board14_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board15_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board15_1.qml
M  +1    -1    src/activities/geo-country/resource/board/board15_2.qml
M  +1    -1    src/activities/geo-country/resource/board/board15_3.qml
M  +1    -1    src/activities/geo-country/resource/board/board16_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board1_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board2_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board3_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board4_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board5_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board5_1.qml
M  +1    -1    src/activities/geo-country/resource/board/board5_2.qml
M  +1    -1    src/activities/geo-country/resource/board/board6_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board7_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board8_0.qml
M  +1    -1    src/activities/geo-country/resource/board/board9_0.qml
M  +1    -1    src/activities/geography/Geography.qml
M  +1    -1    src/activities/geography/resource/board/board10_0.qml
M  +1    -1    src/activities/geography/resource/board/board1_0.qml
M  +1    -1    src/activities/geography/resource/board/board2_0.qml
M  +1    -1    src/activities/geography/resource/board/board3_0.qml
M  +1    -1    src/activities/geography/resource/board/board3_1.qml
M  +1    -1    src/activities/geography/resource/board/board4_0.qml
M  +1    -1    src/activities/geography/resource/board/board5_0.qml
M  +1    -1    src/activities/geography/resource/board/board6_0.qml
M  +1    -1    src/activities/geography/resource/board/board7_0.qml
M  +1    -1    src/activities/geography/resource/board/board8_0.qml
M  +1    -1    src/activities/geography/resource/board/board9_0.qml
M  +1    -1    src/activities/gletters/FallingDomino.qml
M  +1    -1    src/activities/gletters/FallingImage.qml
M  +1    -1    src/activities/gletters/FallingWord.qml
M  +1    -1    src/activities/gletters/Gletters.qml
M  +1    -1    src/activities/gletters/gletters.js
M  +1    -1    src/activities/gnumch-equality/CellDelegate.qml
M  +1    -1    src/activities/gnumch-equality/Creature.qml
M  +1    -1    src/activities/gnumch-equality/Diaper.qml
M  +1    -1    src/activities/gnumch-equality/Eater.qml
M  +1    -1    src/activities/gnumch-equality/Fraidy.qml
M  +1    -1    src/activities/gnumch-equality/Gnumch.qml
M  +1    -1    src/activities/gnumch-equality/GnumchEquality.qml
M  +1    -1    src/activities/gnumch-equality/Monster.qml
M  +1    -1    src/activities/gnumch-equality/Muncher.qml
M  +1    -1    src/activities/gnumch-equality/Reggie.qml
M  +1    -1    src/activities/gnumch-equality/Smarty.qml
M  +1    -1    src/activities/gnumch-equality/TopPanel.qml
M  +1    -1    src/activities/gnumch-equality/WarnMonster.qml
M  +1    -1    src/activities/gnumch-equality/Warning.qml
M  +1    -1    src/activities/gnumch-equality/gnumch-equality.js
M  +1    -1    src/activities/gnumch-factors/GnumchFactors.qml
M  +1    -1    src/activities/gnumch-inequality/GnumchInequality.qml
M  +1    -1    src/activities/gnumch-multiples/GnumchMultiples.qml
M  +1    -1    src/activities/gnumch-primes/GnumchPrimes.qml
M  +1    -1    src/activities/graph-coloring/GraphColoring.qml
M  +1    -1    src/activities/graph-coloring/Node.qml
M  +1    -1    src/activities/graph-coloring/graph-coloring.js
M  +1    -1    src/activities/guesscount/Admin.qml
M  +1    -1    src/activities/guesscount/DragTile.qml
M  +1    -1    src/activities/guesscount/DropTile.qml
M  +1    -1    src/activities/guesscount/Guesscount.qml
M  +1    -1    src/activities/guesscount/OperandRow.qml
M  +1    -1    src/activities/guesscount/OperationRow.qml
M  +1    -1    src/activities/guesscount/OperatorRow.qml
M  +1    -1    src/activities/guesscount/Tile.qml
M  +1    -1    src/activities/guesscount/guesscount.js
M  +1    -1    src/activities/guessnumber/AnswerArea.qml
M  +1    -1    src/activities/guessnumber/Guessnumber.qml
M  +1    -1    src/activities/guessnumber/Helico.qml
M  +1    -1    src/activities/guessnumber/guessnumber.js
M  +1    -1    src/activities/hangman/Hangman.qml
M  +1    -1    src/activities/hangman/hangman.js
M  +1    -1    src/activities/hanoi/Hanoi.qml
M  +1    -1    src/activities/hanoi_real/HanoiReal.qml
M  +1    -1    src/activities/hanoi_real/Highlight.qml
M  +1    -1    src/activities/hanoi_real/hanoi_real.js
M  +1    -1    src/activities/hexagon/Hexagon.qml
M  +1    -1    src/activities/hexagon/HexagonItem.qml
M  +1    -1    src/activities/hexagon/hexagon.js
M  +1    -1    src/activities/imagename/Imagename.qml
M  +1    -1    src/activities/imagename/resource/board/board1_0.qml
M  +1    -1    src/activities/imagename/resource/board/board2_0.qml
M  +1    -1    src/activities/imagename/resource/board/board3_0.qml
M  +1    -1    src/activities/imagename/resource/board/board4_0.qml
M  +1    -1    src/activities/imagename/resource/board/board5_0.qml
M  +1    -1    src/activities/imagename/resource/board/board6_0.qml
M  +1    -1    src/activities/imagename/resource/board/board7_0.qml
M  +1    -1    src/activities/instruments/Instruments.qml
M  +1    -1    src/activities/intro_gravity/Asteroid.qml
M  +1    -1    src/activities/intro_gravity/IntroGravity.qml
M  +1    -1    src/activities/intro_gravity/Planet.qml
M  +1    -1    src/activities/intro_gravity/intro_gravity.js
M  +1    -1    src/activities/land_safe/Accelerometer.qml
M  +1    -1    src/activities/land_safe/ControlButton.qml
M  +1    -1    src/activities/land_safe/land_safe.js
M  +1    -1    src/activities/lang/ImageReview.qml
M  +1    -1    src/activities/lang/Lang.qml
M  +2    -2    src/activities/lang/MenuScreen.qml
M  +1    -1    src/activities/lang/Quiz.qml
M  +1    -1    src/activities/lang/SpellIt.qml
M  +1    -1    src/activities/lang/lang.js
M  +1    -1    src/activities/lang/quiz.js
M  +1    -1    src/activities/lang/spell_it.js
M  +1    -1    src/activities/leftright/Leftright.qml
M  +1    -1    src/activities/leftright/leftright.js
M  +1    -1    src/activities/letter-in-word/Card.qml
M  +1    -1    src/activities/letter-in-word/LetterInWord.qml
M  +1    -1    src/activities/letter-in-word/letter-in-word.js
M  +1    -1    src/activities/lightsoff/Lightsoff.qml
M  +1    -1    src/activities/louis-braille/LouisBraille.qml
M  +1    -1    src/activities/louis-braille/ReorderList.qml
M  +1    -1    src/activities/louis-braille/louis-braille.js
M  +1    -1    src/activities/magic-hat-minus/Hat.qml
M  +1    -1    src/activities/magic-hat-minus/MagicHat.qml
M  +1    -1    src/activities/magic-hat-minus/Star.qml
M  +1    -1    src/activities/magic-hat-minus/StarsBar.qml
M  +1    -1    src/activities/magic-hat-minus/magic-hat.js
M  +1    -1    src/activities/magic-hat-plus/MagicHatPlus.qml
M  +1    -1    src/activities/maze/Maze.qml
M  +1    -1    src/activities/mazeinvisible/Mazeinvisible.qml
M  +1    -1    src/activities/mazerelative/Mazerelative.qml
M  +1    -1    src/activities/melody/Melody.qml
M  +1    -1    src/activities/memory-enumerate/MemoryEnumerate.qml
M  +1    -1    src/activities/memory-math-add-minus-mult-div-tux/MemoryMathAddMinusMultDivTux.qml
 M  +1    -1    src/activities/memory-math-add-minus-mult-div/MemoryMathAddMinusMultDiv.qml
 M  +1    -1    src/activities/memory-math-add-minus-tux/MemoryMathAddMinusTux.qml
M  +1    -1    src/activities/memory-math-add-minus/MemoryMathAddMinus.qml
M  +1    -1    src/activities/memory-math-add-tux/MemoryMathAddTux.qml
M  +1    -1    src/activities/memory-math-add/MemoryMathAdd.qml
M  +1    -1    src/activities/memory-math-div-tux/MemoryMathDivTux.qml
M  +1    -1    src/activities/memory-math-div/MemoryMathDiv.qml
M  +1    -1    src/activities/memory-math-minus-tux/MemoryMathMinusTux.qml
M  +1    -1    src/activities/memory-math-minus/MemoryMathMinus.qml
M  +1    -1    src/activities/memory-math-mult-div-tux/MemoryMathMultDivTux.qml
M  +1    -1    src/activities/memory-math-mult-div/MemoryMathMultDiv.qml
M  +1    -1    src/activities/memory-math-mult-tux/MemoryMathMultTux.qml
M  +1    -1    src/activities/memory-math-mult/MemoryMathMult.qml
M  +1    -1    src/activities/memory-sound-tux/MemorySoundTux.qml
M  +1    -1    src/activities/memory-sound/MemorySound.qml
M  +1    -1    src/activities/memory-tux/MemoryTux.qml
M  +1    -1    src/activities/memory-wordnumber/MemoryWordnumber.qml
M  +1    -1    src/activities/memory/CardItem.qml
M  +1    -1    src/activities/memory/Memory.qml
M  +1    -1    src/activities/memory/MemoryCommon.qml
M  +1    -1    src/activities/memory/memory.js
M  +3    -3    src/activities/menu/ConfigurationItem.qml
M  +3    -3    src/activities/menu/Menu.qml
M  +1    -1    src/activities/mining/Mining.qml
M  +1    -1    src/activities/mining/mining.js
M  +1    -1    src/activities/missing-letter/MissingLetter.qml
M  +1    -1    src/activities/missing-letter/missing-letter.js
M  +1    -1    src/activities/money/MoneyCore.qml
M  +1    -1    src/activities/mosaic/Mosaic.qml
M  +1    -1    src/activities/mosaic/mosaic.js
M  +1    -1    src/activities/nine_men_morris/DragPoint.qml
M  +1    -1    src/activities/nine_men_morris/NineMenMorris.qml
M  +1    -1    src/activities/nine_men_morris/Piece.qml
M  +1    -1    src/activities/nine_men_morris/nine_men_morris.js
M  +1    -1    src/activities/nine_men_morris_2players/NineMenMorris2players.qml
M  +1    -1    src/activities/number_sequence/NumberSequence.qml
M  +1    -1    src/activities/number_sequence/number_sequence.js
M  +1    -1    src/activities/numbers-odd-even/NumbersOddEven.qml
M  +1    -1    src/activities/paintings/Paintings.qml
M  +1    -1    src/activities/paintings/resource/board/board10_0.qml
M  +1    -1    src/activities/paintings/resource/board/board11_0.qml
M  +1    -1    src/activities/paintings/resource/board/board12_0.qml
M  +1    -1    src/activities/paintings/resource/board/board13_0.qml
M  +1    -1    src/activities/paintings/resource/board/board14_0.qml
M  +1    -1    src/activities/paintings/resource/board/board15_0.qml
M  +1    -1    src/activities/paintings/resource/board/board16_0.qml
M  +1    -1    src/activities/paintings/resource/board/board17_0.qml
M  +1    -1    src/activities/paintings/resource/board/board18_0.qml
M  +1    -1    src/activities/paintings/resource/board/board19_0.qml
M  +1    -1    src/activities/paintings/resource/board/board1_0.qml
M  +1    -1    src/activities/paintings/resource/board/board20_0.qml
M  +1    -1    src/activities/paintings/resource/board/board21_0.qml
M  +1    -1    src/activities/paintings/resource/board/board22_0.qml
M  +1    -1    src/activities/paintings/resource/board/board2_0.qml
M  +1    -1    src/activities/paintings/resource/board/board3_0.qml
M  +1    -1    src/activities/paintings/resource/board/board4_0.qml
M  +1    -1    src/activities/paintings/resource/board/board5_0.qml
M  +1    -1    src/activities/paintings/resource/board/board6_0.qml
M  +1    -1    src/activities/paintings/resource/board/board7_0.qml
M  +1    -1    src/activities/paintings/resource/board/board8_0.qml
M  +1    -1    src/activities/paintings/resource/board/board9_0.qml
M  +1    -1    src/activities/penalty/Penalty.qml
M  +1    -1    src/activities/penalty/penalty.js
M  +1    -1    src/activities/photo_hunter/Observe.qml
M  +3    -3    src/activities/photo_hunter/PhotoHunter.qml
M  +1    -1    src/activities/photo_hunter/photo_hunter.js
M  +1    -1    src/activities/planegame/Cloud.qml
M  +1    -1    src/activities/planegame/Plane.qml
M  +1    -1    src/activities/planegame/Planegame.qml
M  +1    -1    src/activities/planegame/Sequence.qml
M  +1    -1    src/activities/planegame/planegame.js
M  +1    -1    src/activities/readingh/Readingh.qml
M  +1    -1    src/activities/readingh/readingh.js
M  +1    -1    src/activities/readingv/Readingv.qml
M  +1    -1    src/activities/redraw/Redraw.qml
M  +1    -1    src/activities/redraw/redraw.js
M  +1    -1    src/activities/renewable_energy/Hydro.qml
M  +1    -1    src/activities/renewable_energy/RenewableEnergy.qml
M  +1    -1    src/activities/renewable_energy/Solar.qml
M  +1    -1    src/activities/renewable_energy/Wind.qml
M  +1    -1    src/activities/renewable_energy/WindTurbine.qml
M  +1    -1    src/activities/reversecount/ChooseDiceBar.qml
M  +1    -1    src/activities/reversecount/Reversecount.qml
M  +1    -1    src/activities/reversecount/Tux.qml
M  +1    -1    src/activities/reversecount/reversecount.js
M  +1    -1    src/activities/roman_numerals/RomanNumerals.qml
M  +1    -1    src/activities/scalesboard/MasseArea.qml
M  +1    -1    src/activities/scalesboard/Message.qml
M  +1    -1    src/activities/scalesboard/Question.qml
M  +1    -1    src/activities/scalesboard/Scalesboard.qml
M  +1    -1    src/activities/scalesboard/scalesboard.js
M  +1    -1    src/activities/share/BasketWidget.qml
M  +1    -1    src/activities/share/CandyWidget.qml
M  +1    -1    src/activities/share/ChildWidget.qml
M  +1    -1    src/activities/share/DropChild.qml
M  +1    -1    src/activities/share/Share.qml
M  +1    -1    src/activities/share/WidgetOption.qml
M  +1    -1    src/activities/share/resource/board/board0.qml
M  +1    -1    src/activities/share/resource/board/board1.qml
M  +1    -1    src/activities/share/resource/board/board2.qml
M  +1    -1    src/activities/share/resource/board/board3.qml
M  +1    -1    src/activities/share/resource/board/board4.qml
M  +1    -1    src/activities/share/resource/board/board5.qml
M  +1    -1    src/activities/share/resource/board/board6.qml
M  +1    -1    src/activities/share/resource/board/board7.qml
M  +1    -1    src/activities/share/resource/board/board8.qml
M  +1    -1    src/activities/share/resource/board/board9.qml
M  +1    -1    src/activities/share/share.js
M  +1    -1    src/activities/simplepaint/PaintItem.qml
M  +1    -1    src/activities/simplepaint/Simplepaint.qml
M  +1    -1    src/activities/simplepaint/simplepaint.js
M  +1    -1    src/activities/smallnumbers/Smallnumbers.qml
M  +1    -1    src/activities/smallnumbers2/Smallnumbers2.qml
M  +1    -1    src/activities/sudoku/Sudoku.qml
M  +1    -1    src/activities/sudoku/SudokuCase.qml
M  +1    -1    src/activities/sudoku/SudokuListWidget.qml
M  +1    -1    src/activities/sudoku/sudoku.js
M  +1    -1    src/activities/superbrain/SearchItem.qml
M  +1    -1    src/activities/superbrain/Superbrain.qml
M  +1    -1    src/activities/superbrain/superbrain.js
M  +1    -1    src/activities/tangram/RotateMouseArea.qml
M  +1    -1    src/activities/tangram/Tangram.qml
M  +1    -1    src/activities/tangram/tangram.js
M  +1    -1    src/activities/target/Arrow.qml
M  +1    -1    src/activities/target/Target.qml
M  +1    -1    src/activities/target/TargetItem.qml
M  +1    -1    src/activities/target/target.js
M  +1    -1    src/activities/template/Template.qml
M  +1    -1    src/activities/template/template.js
M  +1    -1    src/activities/tic_tac_toe/Piece.qml
M  +1    -1    src/activities/tic_tac_toe/TicTacToe.qml
M  +1    -1    src/activities/tic_tac_toe/tic_tac_toe.js
M  +1    -1    src/activities/tic_tac_toe_2players/Tic_tac_toe_2players.qml
M  +1    -1    src/activities/traffic/Car.qml
M  +1    -1    src/activities/traffic/Traffic.qml
M  +1    -1    src/activities/traffic/traffic.js
M  +1    -1    src/activities/watercycle/Watercycle.qml
M  +1    -1    src/activities/wordsgame/Wordsgame.qml
M  +1    -1    src/core/ActivityBase.qml
M  +1    -1    src/core/AnswerButton.qml
M  +1    -1    src/core/Balloon.qml
M  +1    -1    src/core/Bar.qml
M  +1    -1    src/core/BarButton.qml
M  +1    -1    src/core/BarEnumContent.qml
M  +1    -1    src/core/Bonus.qml
M  +2    -2    src/core/BuyMeOverlay.qml
M  +2    -2    src/core/BuyMeOverlayInapp.qml
M  +1    -1    src/core/ChangeLog.qml
M  +1    -1    src/core/DialogActivityConfig.qml
M  +2    -2    src/core/DialogBackground.qml
M  +1    -1    src/core/DialogHelp.qml
M  +1    -1    src/core/Domino.qml
M  +1    -1    src/core/DominoNumber.qml
M  +3    -3    src/core/DownloadDialog.qml
M  +1    -1    src/core/GCAudio.qml
M  +1    -1    src/core/GCButtonCancel.qml
M  +3    -3    src/core/GCButtonStyle.qml
M  +2    -2    src/core/GCComboBox.qml
M  +2    -2    src/core/GCDialog.qml
M  +3    -3    src/core/GCDialogCheckBox.qml
M  +1    -1    src/core/GCSingletonFontLoader.qml
M  +3    -3    src/core/GCSliderStyle.qml
M  +1    -1    src/core/GCText.qml
M  +1    -1    src/core/IntroMessage.qml
M  +1    -1    src/core/JsonParser.qml
M  +1    -1    src/core/LanguageList.qml
M  +2    -2    src/core/Loading.qml
M  +1    -1    src/core/NumPad.qml
M  +1    -1    src/core/ParticleSystemStar.qml
M  +1    -1    src/core/ParticleSystemStarLoader.qml
M  +1    -1    src/core/ReadyButton.qml
M  +1    -1    src/core/Score.qml
M  +3    -3    src/core/VirtualKey.qml
M  +1    -1    src/core/VirtualKeyboard.qml
M  +1    -1    src/core/Wordlist.qml
M  +1    -1    src/core/core.js
M  +2    -2    src/core/main.qml

https://commits.kde.org/gcompris/6c203a3accc5f0f9d4befe3ab0c426a38bb2d367

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5728794c..d120af64 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,4 @@
-if(SAILFISHOS)
-  cmake_minimum_required(VERSION 2.8.11)
-else(SAILfISHOS)
-  cmake_minimum_required(VERSION 2.8.12)
-endif()
+cmake_minimum_required(VERSION 2.8.12)
 
 project(gcompris-qt C CXX)
 
@@ -96,12 +92,7 @@ if("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
             directory and create a build directory and call \"${CMAKE_COMMAND} <path \
to the sources>\".")  endif("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
 
-# Sailfish does not provide a recent Qt version
-if(SAILFISHOS)
-  set(QT_REQUIRED_VERSION 5.2.2)
-else()
-  set(QT_REQUIRED_VERSION 5.3.0)
-endif()
+set(QT_REQUIRED_VERSION 5.6.0)
 
 find_package(Qt5 ${QT_REQUIRED_VERSION} REQUIRED
             Qml Quick Gui Multimedia Core Svg Xml XmlPatterns LinguistTools Sensors)
diff --git a/src/activities/advanced_colors/AdvancedColors.qml \
b/src/activities/advanced_colors/AdvancedColors.qml index 5088d8a1..1217576b 100644
--- a/src/activities/advanced_colors/AdvancedColors.qml
+++ b/src/activities/advanced_colors/AdvancedColors.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../colors"
diff --git a/src/activities/algebra_by/Algebra.qml \
b/src/activities/algebra_by/Algebra.qml index 74a62206..996df118 100644
--- a/src/activities/algebra_by/Algebra.qml
+++ b/src/activities/algebra_by/Algebra.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/algebra_by/AlgebraBy.qml \
b/src/activities/algebra_by/AlgebraBy.qml index fc9a8808..503cfe12 100644
--- a/src/activities/algebra_by/AlgebraBy.qml
+++ b/src/activities/algebra_by/AlgebraBy.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../algebra_by"
diff --git a/src/activities/algebra_by/AlgebraText.qml \
b/src/activities/algebra_by/AlgebraText.qml index 246dc5c7..26af495c 100644
--- a/src/activities/algebra_by/AlgebraText.qml
+++ b/src/activities/algebra_by/AlgebraText.qml
@@ -15,7 +15,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 import "../../core"
diff --git a/src/activities/algebra_by/algebra.js \
b/src/activities/algebra_by/algebra.js index 4ee1253e..3d380694 100644
--- a/src/activities/algebra_by/algebra.js
+++ b/src/activities/algebra_by/algebra.js
@@ -17,7 +17,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var currentLevel
diff --git a/src/activities/algebra_div/AlgebraDiv.qml \
b/src/activities/algebra_div/AlgebraDiv.qml index 86b0a444..23f8252c 100644
--- a/src/activities/algebra_div/AlgebraDiv.qml
+++ b/src/activities/algebra_div/AlgebraDiv.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../algebra_by/"
diff --git a/src/activities/algebra_minus/AlgebraMinus.qml \
b/src/activities/algebra_minus/AlgebraMinus.qml index 8cf204b9..432e6d52 100644
--- a/src/activities/algebra_minus/AlgebraMinus.qml
+++ b/src/activities/algebra_minus/AlgebraMinus.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../algebra_by/"
diff --git a/src/activities/algebra_plus/AlgebraPlus.qml \
b/src/activities/algebra_plus/AlgebraPlus.qml index c214ac63..7083e081 100644
--- a/src/activities/algebra_plus/AlgebraPlus.qml
+++ b/src/activities/algebra_plus/AlgebraPlus.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../algebra_by/"
diff --git a/src/activities/algorithm/Algorithm.qml \
b/src/activities/algorithm/Algorithm.qml index c0bc7f1c..d06ef8f1 100644
--- a/src/activities/algorithm/Algorithm.qml
+++ b/src/activities/algorithm/Algorithm.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "algorithm.js" as Activity
diff --git a/src/activities/algorithm/algorithm.js \
b/src/activities/algorithm/algorithm.js index 96da8c12..c9e90567 100644
--- a/src/activities/algorithm/algorithm.js
+++ b/src/activities/algorithm/algorithm.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 /*
diff --git a/src/activities/align4-2players/Align42players.qml \
b/src/activities/align4-2players/Align42players.qml index e44bed42..1a51431e 100644
--- a/src/activities/align4-2players/Align42players.qml
+++ b/src/activities/align4-2players/Align42players.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "align4.js" as Activity
diff --git a/src/activities/align4-2players/Piece.qml \
b/src/activities/align4-2players/Piece.qml index 4251f2e0..ce18d9bd 100644
--- a/src/activities/align4-2players/Piece.qml
+++ b/src/activities/align4-2players/Piece.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import "align4.js" as Activity
 
 import GCompris 1.0
diff --git a/src/activities/align4-2players/align4.js \
b/src/activities/align4-2players/align4.js index 8fc3cb69..fcf8e7c5 100644
--- a/src/activities/align4-2players/align4.js
+++ b/src/activities/align4-2players/align4.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel
 var numberOfLevel
diff --git a/src/activities/align4/Align4.qml b/src/activities/align4/Align4.qml
index fe67ad16..9ba756d8 100644
--- a/src/activities/align4/Align4.qml
+++ b/src/activities/align4/Align4.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../align4-2players"
diff --git a/src/activities/alphabet-sequence/AlphabetSequence.qml \
b/src/activities/alphabet-sequence/AlphabetSequence.qml index d20cb779..9f4481af \
                100644
--- a/src/activities/alphabet-sequence/AlphabetSequence.qml
+++ b/src/activities/alphabet-sequence/AlphabetSequence.qml
@@ -18,7 +18,7 @@
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.0
+import QtQuick 2.6
 import "../planegame"
 
 Planegame {
diff --git a/src/activities/baby_wordprocessor/BabyWordprocessor.qml \
b/src/activities/baby_wordprocessor/BabyWordprocessor.qml index 84dbe7fa..4859ff1b \
                100644
--- a/src/activities/baby_wordprocessor/BabyWordprocessor.qml
+++ b/src/activities/baby_wordprocessor/BabyWordprocessor.qml
@@ -19,9 +19,9 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
-import QtQuick.Controls 1.0
+import QtQuick.Controls 1.5
 
 import "../../core"
 
diff --git a/src/activities/babymatch/Babymatch.qml \
b/src/activities/babymatch/Babymatch.qml index eb161b84..2e980350 100644
--- a/src/activities/babymatch/Babymatch.qml
+++ b/src/activities/babymatch/Babymatch.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/babymatch/DragListItem.qml \
b/src/activities/babymatch/DragListItem.qml index 2528241a..70ef0cbb 100644
--- a/src/activities/babymatch/DragListItem.qml
+++ b/src/activities/babymatch/DragListItem.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 import "babymatch.js" as Activity
diff --git a/src/activities/babymatch/DropAnswerItem.qml \
b/src/activities/babymatch/DropAnswerItem.qml index cd2584cf..642c12bb 100644
--- a/src/activities/babymatch/DropAnswerItem.qml
+++ b/src/activities/babymatch/DropAnswerItem.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "babymatch.js" as Activity
 
diff --git a/src/activities/babymatch/ListWidget.qml \
b/src/activities/babymatch/ListWidget.qml index 6b336149..e5c04350 100644
--- a/src/activities/babymatch/ListWidget.qml
+++ b/src/activities/babymatch/ListWidget.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "babymatch.js" as Activity
diff --git a/src/activities/babymatch/TextItem.qml \
b/src/activities/babymatch/TextItem.qml index 47c7a95a..f5532d5a 100644
--- a/src/activities/babymatch/TextItem.qml
+++ b/src/activities/babymatch/TextItem.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/babymatch/babymatch.js \
b/src/activities/babymatch/babymatch.js index 3c4fbb00..41ee496f 100644
--- a/src/activities/babymatch/babymatch.js
+++ b/src/activities/babymatch/babymatch.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 
 var currentLevel = 1
diff --git a/src/activities/babymatch/resource/board/board1_0.qml \
b/src/activities/babymatch/resource/board/board1_0.qml index 79795de8..f64e185b \
                100644
--- a/src/activities/babymatch/resource/board/board1_0.qml
+++ b/src/activities/babymatch/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Drag and Drop the items to make them match")
diff --git a/src/activities/babymatch/resource/board/board2_0.qml \
b/src/activities/babymatch/resource/board/board2_0.qml index c13253c4..47a8cb54 \
                100644
--- a/src/activities/babymatch/resource/board/board2_0.qml
+++ b/src/activities/babymatch/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babymatch/resource/board/board3_0.qml \
b/src/activities/babymatch/resource/board/board3_0.qml index 72a8642e..8e3f31ac \
                100644
--- a/src/activities/babymatch/resource/board/board3_0.qml
+++ b/src/activities/babymatch/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babymatch/resource/board/board4_0.qml \
b/src/activities/babymatch/resource/board/board4_0.qml index 99ee96e6..c19ab423 \
                100644
--- a/src/activities/babymatch/resource/board/board4_0.qml
+++ b/src/activities/babymatch/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babymatch/resource/board/board5_0.qml \
b/src/activities/babymatch/resource/board/board5_0.qml index c4d7abde..19dd0cec \
                100644
--- a/src/activities/babymatch/resource/board/board5_0.qml
+++ b/src/activities/babymatch/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babymatch/resource/board/board6_0.qml \
b/src/activities/babymatch/resource/board/board6_0.qml index 171db7ba..2512578b \
                100644
--- a/src/activities/babymatch/resource/board/board6_0.qml
+++ b/src/activities/babymatch/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babymatch/resource/board/board7_0.qml \
b/src/activities/babymatch/resource/board/board7_0.qml index 17fbd537..c8cc0415 \
                100644
--- a/src/activities/babymatch/resource/board/board7_0.qml
+++ b/src/activities/babymatch/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babyshapes/Babyshapes.qml \
b/src/activities/babyshapes/Babyshapes.qml index 128646cb..636c78f4 100644
--- a/src/activities/babyshapes/Babyshapes.qml
+++ b/src/activities/babyshapes/Babyshapes.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/babyshapes/resource/board/board1_0.qml \
b/src/activities/babyshapes/resource/board/board1_0.qml index 46dee0c3..82ca7039 \
                100644
--- a/src/activities/babyshapes/resource/board/board1_0.qml
+++ b/src/activities/babyshapes/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Drag and Drop the items to make them match")
diff --git a/src/activities/babyshapes/resource/board/board2_0.qml \
b/src/activities/babyshapes/resource/board/board2_0.qml index 4b117ceb..6be77b40 \
                100644
--- a/src/activities/babyshapes/resource/board/board2_0.qml
+++ b/src/activities/babyshapes/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babyshapes/resource/board/board3_0.qml \
b/src/activities/babyshapes/resource/board/board3_0.qml index c31f5322..1396b0e9 \
                100644
--- a/src/activities/babyshapes/resource/board/board3_0.qml
+++ b/src/activities/babyshapes/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babyshapes/resource/board/board4_0.qml \
b/src/activities/babyshapes/resource/board/board4_0.qml index dae1722d..ff53549d \
                100644
--- a/src/activities/babyshapes/resource/board/board4_0.qml
+++ b/src/activities/babyshapes/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/babyshapes/resource/board/board5_0.qml \
b/src/activities/babyshapes/resource/board/board5_0.qml index b618d4f4..820a7e6c \
                100644
--- a/src/activities/babyshapes/resource/board/board5_0.qml
+++ b/src/activities/babyshapes/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Hello ! My name is Lock.")
diff --git a/src/activities/babyshapes/resource/board/board6_0.qml \
b/src/activities/babyshapes/resource/board/board6_0.qml index b01048f2..18a41474 \
                100644
--- a/src/activities/babyshapes/resource/board/board6_0.qml
+++ b/src/activities/babyshapes/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Lock with colored shapes.")
diff --git a/src/activities/babyshapes/resource/board/board7_0.qml \
b/src/activities/babyshapes/resource/board/board7_0.qml index 7b2e6c21..1e3df69b \
                100644
--- a/src/activities/babyshapes/resource/board/board7_0.qml
+++ b/src/activities/babyshapes/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 4
diff --git a/src/activities/babyshapes/resource/board/board7_1.qml \
b/src/activities/babyshapes/resource/board/board7_1.qml index cccb2827..c8b441d2 \
                100644
--- a/src/activities/babyshapes/resource/board/board7_1.qml
+++ b/src/activities/babyshapes/resource/board/board7_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Pieter Bruegel the Elder, The peasants wedding \
                - 1568")
diff --git a/src/activities/babyshapes/resource/board/board7_2.qml \
b/src/activities/babyshapes/resource/board/board7_2.qml index 18af3123..9f50fda2 \
                100644
--- a/src/activities/babyshapes/resource/board/board7_2.qml
+++ b/src/activities/babyshapes/resource/board/board7_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("The Lady and the Unicorn - XVe century")
diff --git a/src/activities/babyshapes/resource/board/board7_3.qml \
b/src/activities/babyshapes/resource/board/board7_3.qml index 470b61c9..154f8aae \
                100644
--- a/src/activities/babyshapes/resource/board/board7_3.qml
+++ b/src/activities/babyshapes/resource/board/board7_3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, Bedroom in Arles - 1888")
diff --git a/src/activities/babyshapes/resource/board/board7_4.qml \
b/src/activities/babyshapes/resource/board/board7_4.qml index 4a9637fd..f9c49004 \
                100644
--- a/src/activities/babyshapes/resource/board/board7_4.qml
+++ b/src/activities/babyshapes/resource/board/board7_4.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Ambrosius Bosschaert the Elder, Flower Still \
                Life - 1614")
diff --git a/src/activities/balancebox/BalanceContact.qml \
b/src/activities/balancebox/BalanceContact.qml index c4f2dff4..051a385f 100644
--- a/src/activities/balancebox/BalanceContact.qml
+++ b/src/activities/balancebox/BalanceContact.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import Box2D 2.0
 
 import "../../core"
diff --git a/src/activities/balancebox/BalanceItem.qml \
b/src/activities/balancebox/BalanceItem.qml index 90feafe7..c0955209 100644
--- a/src/activities/balancebox/BalanceItem.qml
+++ b/src/activities/balancebox/BalanceItem.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import Box2D 2.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/balancebox/Balancebox.qml \
b/src/activities/balancebox/Balancebox.qml index b5c2d5d3..4ced57a5 100644
--- a/src/activities/balancebox/Balancebox.qml
+++ b/src/activities/balancebox/Balancebox.qml
@@ -18,13 +18,13 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtQuick.Window 2.1
 import QtSensors 5.0
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 import Box2D 2.0
-import QtQuick.Controls 1.0
+import QtQuick.Controls 1.5
 
 
 import "../../core"
diff --git a/src/activities/balancebox/Goal.qml b/src/activities/balancebox/Goal.qml
index 7bff73f5..07947ea1 100644
--- a/src/activities/balancebox/Goal.qml
+++ b/src/activities/balancebox/Goal.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import Box2D 2.0
 
 import "../../core"
diff --git a/src/activities/balancebox/Wall.qml b/src/activities/balancebox/Wall.qml
index 0501dbaf..524f2ad8 100644
--- a/src/activities/balancebox/Wall.qml
+++ b/src/activities/balancebox/Wall.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 import Box2D 2.0
 import QtGraphicalEffects 1.0
diff --git a/src/activities/balancebox/balancebox.js \
b/src/activities/balancebox/balancebox.js index 1ffbc31c..7515a3f2 100644
--- a/src/activities/balancebox/balancebox.js
+++ b/src/activities/balancebox/balancebox.js
@@ -27,7 +27,7 @@
     arbitrary order
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import Box2D 2.0 as Box2D
 .import "qrc:/gcompris/src/core/core.js" as Core
@@ -309,7 +309,7 @@ function initMap()
             if (debugDraw) {
                 try {
                     var rect = Qt.createQmlObject(
-                                "import QtQuick 2.0;Rectangle{"
+                                "import QtQuick 2.6;Rectangle{"
                                 +"width:" + items.cellSize +";"
                                 +"height:" + items.cellSize+";"
                                 +"x:" + x + ";"
diff --git a/src/activities/balancebox/editor/BalanceboxEditor.qml \
b/src/activities/balancebox/editor/BalanceboxEditor.qml index 34480f76..ab410d18 \
                100644
--- a/src/activities/balancebox/editor/BalanceboxEditor.qml
+++ b/src/activities/balancebox/editor/BalanceboxEditor.qml
@@ -18,10 +18,10 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
-import QtQuick.Controls 1.0
+import QtQuick.Controls 1.5
 
 import "../../../core"
 import ".."
diff --git a/src/activities/balancebox/editor/EditorTool.qml \
b/src/activities/balancebox/editor/EditorTool.qml index 157d21c4..626715fb 100644
--- a/src/activities/balancebox/editor/EditorTool.qml
+++ b/src/activities/balancebox/editor/EditorTool.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 
 Item {
diff --git a/src/activities/balancebox/editor/balanceboxeditor.js \
b/src/activities/balancebox/editor/balanceboxeditor.js index 352a731e..ed72afc5 \
                100644
--- a/src/activities/balancebox/editor/balanceboxeditor.js
+++ b/src/activities/balancebox/editor/balanceboxeditor.js
@@ -20,7 +20,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/ballcatch/Ball.qml b/src/activities/ballcatch/Ball.qml
index 9173dfa3..f24bf4f4 100644
--- a/src/activities/ballcatch/Ball.qml
+++ b/src/activities/ballcatch/Ball.qml
@@ -17,7 +17,7 @@
  You should have received a copy of the GNU General Public License
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import "ballcatch.js" as Activity
 import GCompris 1.0
 
diff --git a/src/activities/ballcatch/Ballcatch.qml \
b/src/activities/ballcatch/Ballcatch.qml index 9f520223..51118b13 100644
--- a/src/activities/ballcatch/Ballcatch.qml
+++ b/src/activities/ballcatch/Ballcatch.qml
@@ -17,7 +17,7 @@
  You should have received a copy of the GNU General Public License
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/braille_alphabets/BrailleAlphabets.qml \
b/src/activities/braille_alphabets/BrailleAlphabets.qml index cebe2e7b..e00048cf \
                100644
--- a/src/activities/braille_alphabets/BrailleAlphabets.qml
+++ b/src/activities/braille_alphabets/BrailleAlphabets.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "questions.js" as Dataset
diff --git a/src/activities/braille_alphabets/BrailleChar.qml \
b/src/activities/braille_alphabets/BrailleChar.qml index 3509def9..abf4ac65 100644
--- a/src/activities/braille_alphabets/BrailleChar.qml
+++ b/src/activities/braille_alphabets/BrailleChar.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtMultimedia 5.0
 import "braille_alphabets.js" as Activity
 import "../../core"
diff --git a/src/activities/braille_alphabets/BrailleMap.qml \
b/src/activities/braille_alphabets/BrailleMap.qml index 993307c7..6e63a89d 100644
--- a/src/activities/braille_alphabets/BrailleMap.qml
+++ b/src/activities/braille_alphabets/BrailleMap.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "braille_alphabets.js" as Activity
diff --git a/src/activities/braille_alphabets/FirstScreen.qml \
b/src/activities/braille_alphabets/FirstScreen.qml index d043e3a4..68877d8f 100644
--- a/src/activities/braille_alphabets/FirstScreen.qml
+++ b/src/activities/braille_alphabets/FirstScreen.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "braille_alphabets.js" as Activity
diff --git a/src/activities/braille_alphabets/Screen.qml \
b/src/activities/braille_alphabets/Screen.qml index 07715f7c..9f3f6345 100644
--- a/src/activities/braille_alphabets/Screen.qml
+++ b/src/activities/braille_alphabets/Screen.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "braille_alphabets.js" as Activity
diff --git a/src/activities/braille_alphabets/braille_alphabets.js \
b/src/activities/braille_alphabets/braille_alphabets.js index 982f10bf..325f05bb \
                100644
--- a/src/activities/braille_alphabets/braille_alphabets.js
+++ b/src/activities/braille_alphabets/braille_alphabets.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/braille_alphabets/resource/"
diff --git a/src/activities/braille_fun/BrailleFun.qml \
b/src/activities/braille_fun/BrailleFun.qml index a7f6ce84..0fb9aa06 100644
--- a/src/activities/braille_fun/BrailleFun.qml
+++ b/src/activities/braille_fun/BrailleFun.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/braille_fun/braille_fun.js \
b/src/activities/braille_fun/braille_fun.js index 74089393..63589f01 100644
--- a/src/activities/braille_fun/braille_fun.js
+++ b/src/activities/braille_fun/braille_fun.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var currentLevel = 0
diff --git a/src/activities/canal_lock/CanalLock.qml \
b/src/activities/canal_lock/CanalLock.qml index e525d515..81f396ea 100644
--- a/src/activities/canal_lock/CanalLock.qml
+++ b/src/activities/canal_lock/CanalLock.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/canal_lock/Lock.qml b/src/activities/canal_lock/Lock.qml
index 9bf296fb..276c59b3 100644
--- a/src/activities/canal_lock/Lock.qml
+++ b/src/activities/canal_lock/Lock.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/categorization/Categorization.qml \
b/src/activities/categorization/Categorization.qml index 58787366..f3bf52df 100644
--- a/src/activities/categorization/Categorization.qml
+++ b/src/activities/categorization/Categorization.qml
@@ -19,8 +19,8 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
-import QtQuick.Controls 1.1
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/categorization/CategoryReview.qml \
b/src/activities/categorization/CategoryReview.qml index 4b167030..9e9e6f56 100644
--- a/src/activities/categorization/CategoryReview.qml
+++ b/src/activities/categorization/CategoryReview.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/categorization/MenuScreen.qml \
b/src/activities/categorization/MenuScreen.qml index e3430857..0fcdae72 100644
--- a/src/activities/categorization/MenuScreen.qml
+++ b/src/activities/categorization/MenuScreen.qml
@@ -21,10 +21,10 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
-import QtQuick.Controls 1.2
+import QtQuick.Controls 1.5
 
 import "../../core"
 import "categorization.js" as Activity
diff --git a/src/activities/categorization/Zone.qml \
b/src/activities/categorization/Zone.qml index 0f1d35ca..4a3b2768 100644
--- a/src/activities/categorization/Zone.qml
+++ b/src/activities/categorization/Zone.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/categorization/categorization.js \
b/src/activities/categorization/categorization.js index a38aaf5f..3c2172bd 100644
--- a/src/activities/categorization/categorization.js
+++ b/src/activities/categorization/categorization.js
@@ -19,7 +19,7 @@
     *   along with this program; if not, see <http://www.gnu.org/licenses/>.
     */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/categorization/resource/board/category_alphabets.qml \
b/src/activities/categorization/resource/board/category_alphabets.qml index \
                0b631d37..93e47b7a 100644
--- a/src/activities/categorization/resource/board/category_alphabets.qml
+++ b/src/activities/categorization/resource/board/category_alphabets.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_animals.qml \
b/src/activities/categorization/resource/board/category_animals.qml index \
                4606fbea..006e7bb1 100644
--- a/src/activities/categorization/resource/board/category_animals.qml
+++ b/src/activities/categorization/resource/board/category_animals.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_birds.qml \
b/src/activities/categorization/resource/board/category_birds.qml index \
                53816324..d3ef0594 100644
--- a/src/activities/categorization/resource/board/category_birds.qml
+++ b/src/activities/categorization/resource/board/category_birds.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_colors.qml \
b/src/activities/categorization/resource/board/category_colors.qml index \
                ba887099..3e212be1 100644
--- a/src/activities/categorization/resource/board/category_colors.qml
+++ b/src/activities/categorization/resource/board/category_colors.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_fishes.qml \
b/src/activities/categorization/resource/board/category_fishes.qml index \
                011e41e0..29616429 100644
--- a/src/activities/categorization/resource/board/category_fishes.qml
+++ b/src/activities/categorization/resource/board/category_fishes.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_food.qml \
b/src/activities/categorization/resource/board/category_food.qml index \
                235131a1..b53bb76b 100644
--- a/src/activities/categorization/resource/board/category_food.qml
+++ b/src/activities/categorization/resource/board/category_food.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_fruits.qml \
b/src/activities/categorization/resource/board/category_fruits.qml index \
                b9e9b132..c9cef4fc 100644
--- a/src/activities/categorization/resource/board/category_fruits.qml
+++ b/src/activities/categorization/resource/board/category_fruits.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_household_goods.qml \
b/src/activities/categorization/resource/board/category_household_goods.qml index \
                32c79262..8337502d 100644
--- a/src/activities/categorization/resource/board/category_household_goods.qml
+++ b/src/activities/categorization/resource/board/category_household_goods.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_insects.qml \
b/src/activities/categorization/resource/board/category_insects.qml index \
                a5b596d7..e021cdee 100644
--- a/src/activities/categorization/resource/board/category_insects.qml
+++ b/src/activities/categorization/resource/board/category_insects.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_living_beings.qml \
b/src/activities/categorization/resource/board/category_living_beings.qml index \
                f1cf5c3f..ff7b51ab 100644
--- a/src/activities/categorization/resource/board/category_living_beings.qml
+++ b/src/activities/categorization/resource/board/category_living_beings.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_monuments.qml \
b/src/activities/categorization/resource/board/category_monuments.qml index \
                a0b40fc7..6175906a 100644
--- a/src/activities/categorization/resource/board/category_monuments.qml
+++ b/src/activities/categorization/resource/board/category_monuments.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_nature.qml \
b/src/activities/categorization/resource/board/category_nature.qml index \
                a9d25836..c5fde4d9 100644
--- a/src/activities/categorization/resource/board/category_nature.qml
+++ b/src/activities/categorization/resource/board/category_nature.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_numbers.qml \
b/src/activities/categorization/resource/board/category_numbers.qml index \
                a61ad8ba..d61a5f2d 100644
--- a/src/activities/categorization/resource/board/category_numbers.qml
+++ b/src/activities/categorization/resource/board/category_numbers.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_renewable.qml \
b/src/activities/categorization/resource/board/category_renewable.qml index \
                3d43423e..6b8d13e6 100644
--- a/src/activities/categorization/resource/board/category_renewable.qml
+++ b/src/activities/categorization/resource/board/category_renewable.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_shapes.qml \
b/src/activities/categorization/resource/board/category_shapes.qml index \
                57884da9..d339df20 100644
--- a/src/activities/categorization/resource/board/category_shapes.qml
+++ b/src/activities/categorization/resource/board/category_shapes.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.0
+import QtQuick 2.6
 
 
 QtObject{
diff --git a/src/activities/categorization/resource/board/category_tools.qml \
b/src/activities/categorization/resource/board/category_tools.qml index \
                9790a912..d05581eb 100644
--- a/src/activities/categorization/resource/board/category_tools.qml
+++ b/src/activities/categorization/resource/board/category_tools.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property bool isEmbedded: true
diff --git a/src/activities/categorization/resource/board/category_transports.qml \
b/src/activities/categorization/resource/board/category_transports.qml index \
                2018eb34..09de02c8 100644
--- a/src/activities/categorization/resource/board/category_transports.qml
+++ b/src/activities/categorization/resource/board/category_transports.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/categorization/resource/board/category_vegetables.qml \
b/src/activities/categorization/resource/board/category_vegetables.qml index \
                12ab11ca..525f1e8c 100644
--- a/src/activities/categorization/resource/board/category_vegetables.qml
+++ b/src/activities/categorization/resource/board/category_vegetables.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject{
     property bool isEmbedded: false
diff --git a/src/activities/checkers_2players/Checkers2Players.qml \
b/src/activities/checkers_2players/Checkers2Players.qml index f232f269..2de30aff \
                100644
--- a/src/activities/checkers_2players/Checkers2Players.qml
+++ b/src/activities/checkers_2players/Checkers2Players.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../checkers"
diff --git a/src/activities/chess/Chess.qml b/src/activities/chess/Chess.qml
index 51afba7d..6a9a694f 100644
--- a/src/activities/chess/Chess.qml
+++ b/src/activities/chess/Chess.qml
@@ -19,9 +19,9 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/chess/Piece.qml b/src/activities/chess/Piece.qml
index f9ad25b1..b33f1b5a 100644
--- a/src/activities/chess/Piece.qml
+++ b/src/activities/chess/Piece.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 Image {
     id: piece
diff --git a/src/activities/chess/chess.js b/src/activities/chess/chess.js
index 1fde004b..8640cca8 100644
--- a/src/activities/chess/chess.js
+++ b/src/activities/chess/chess.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "engine.js" as Engine
 
diff --git a/src/activities/chess_2players/Chess2Players.qml \
b/src/activities/chess_2players/Chess2Players.qml index b5711f4d..d2020bca 100644
--- a/src/activities/chess_2players/Chess2Players.qml
+++ b/src/activities/chess_2players/Chess2Players.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../chess"
diff --git a/src/activities/chess_partyend/ChessPartyEnd.qml \
b/src/activities/chess_partyend/ChessPartyEnd.qml index c0b0fce1..1d7711c8 100644
--- a/src/activities/chess_partyend/ChessPartyEnd.qml
+++ b/src/activities/chess_partyend/ChessPartyEnd.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../chess"
diff --git a/src/activities/chronos/Chronos.qml b/src/activities/chronos/Chronos.qml
index a07f4f1c..9c76ad2d 100644
--- a/src/activities/chronos/Chronos.qml
+++ b/src/activities/chronos/Chronos.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/chronos/resource/board/board1_0.qml \
b/src/activities/chronos/resource/board/board1_0.qml index 4359ea44..f4ab185b 100644
--- a/src/activities/chronos/resource/board/board1_0.qml
+++ b/src/activities/chronos/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Moonwalker")
diff --git a/src/activities/chronos/resource/board/board2_0.qml \
b/src/activities/chronos/resource/board/board2_0.qml index e7aa03b7..5b4510bc 100644
--- a/src/activities/chronos/resource/board/board2_0.qml
+++ b/src/activities/chronos/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("The 4 Seasons")
diff --git a/src/activities/chronos/resource/board/board3_0.qml \
b/src/activities/chronos/resource/board/board3_0.qml index 1f5f3fbc..d6546a52 100644
--- a/src/activities/chronos/resource/board/board3_0.qml
+++ b/src/activities/chronos/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Gardening")
diff --git a/src/activities/chronos/resource/board/board4_0.qml \
b/src/activities/chronos/resource/board/board4_0.qml index 5c79dccb..259a1859 100644
--- a/src/activities/chronos/resource/board/board4_0.qml
+++ b/src/activities/chronos/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Tux and the apple tree")
diff --git a/src/activities/chronos/resource/board/board5_0.qml \
b/src/activities/chronos/resource/board/board5_0.qml index cfa4008a..8b264963 100644
--- a/src/activities/chronos/resource/board/board5_0.qml
+++ b/src/activities/chronos/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 4
diff --git a/src/activities/chronos/resource/board/board5_1.qml \
b/src/activities/chronos/resource/board/board5_1.qml index 24f8fd94..bd3df6e7 100644
--- a/src/activities/chronos/resource/board/board5_1.qml
+++ b/src/activities/chronos/resource/board/board5_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Transportation")
diff --git a/src/activities/chronos/resource/board/board5_2.qml \
b/src/activities/chronos/resource/board/board5_2.qml index e1479744..a0712398 100644
--- a/src/activities/chronos/resource/board/board5_2.qml
+++ b/src/activities/chronos/resource/board/board5_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Transportation")
diff --git a/src/activities/chronos/resource/board/board5_3.qml \
b/src/activities/chronos/resource/board/board5_3.qml index 37db4490..f09cabe8 100644
--- a/src/activities/chronos/resource/board/board5_3.qml
+++ b/src/activities/chronos/resource/board/board5_3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Transportation")
diff --git a/src/activities/chronos/resource/board/board5_4.qml \
b/src/activities/chronos/resource/board/board5_4.qml index fb6362a5..a670b37a 100644
--- a/src/activities/chronos/resource/board/board5_4.qml
+++ b/src/activities/chronos/resource/board/board5_4.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Transportation")
diff --git a/src/activities/chronos/resource/board/board6_0.qml \
b/src/activities/chronos/resource/board/board6_0.qml index f3b2cba4..e7135414 100644
--- a/src/activities/chronos/resource/board/board6_0.qml
+++ b/src/activities/chronos/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 3
diff --git a/src/activities/chronos/resource/board/board6_1.qml \
b/src/activities/chronos/resource/board/board6_1.qml index b0f178df..868ec9b5 100644
--- a/src/activities/chronos/resource/board/board6_1.qml
+++ b/src/activities/chronos/resource/board/board6_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Aviation")
diff --git a/src/activities/chronos/resource/board/board6_2.qml \
b/src/activities/chronos/resource/board/board6_2.qml index 897f7785..46b37568 100644
--- a/src/activities/chronos/resource/board/board6_2.qml
+++ b/src/activities/chronos/resource/board/board6_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Cars")
diff --git a/src/activities/chronos/resource/board/board6_3.qml \
b/src/activities/chronos/resource/board/board6_3.qml index 4ce29bd9..8cbe69e6 100644
--- a/src/activities/chronos/resource/board/board6_3.qml
+++ b/src/activities/chronos/resource/board/board6_3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Cars")
diff --git a/src/activities/click_on_letter/Carriage.qml \
b/src/activities/click_on_letter/Carriage.qml index b840e1e6..ebd17003 100644
--- a/src/activities/click_on_letter/Carriage.qml
+++ b/src/activities/click_on_letter/Carriage.qml
@@ -21,7 +21,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 import "../../core"
diff --git a/src/activities/click_on_letter/ClickOnLetter.qml \
b/src/activities/click_on_letter/ClickOnLetter.qml index e6500a4c..edaf6b94 100644
--- a/src/activities/click_on_letter/ClickOnLetter.qml
+++ b/src/activities/click_on_letter/ClickOnLetter.qml
@@ -21,7 +21,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 import "../../core"
diff --git a/src/activities/click_on_letter/click_on_letter.js \
b/src/activities/click_on_letter/click_on_letter.js index 78c81741..f67fdfe1 100644
--- a/src/activities/click_on_letter/click_on_letter.js
+++ b/src/activities/click_on_letter/click_on_letter.js
@@ -22,7 +22,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/click_on_letter_up/ClickOnLetterUp.qml \
b/src/activities/click_on_letter_up/ClickOnLetterUp.qml index fa7bc641..be648802 \
                100644
--- a/src/activities/click_on_letter_up/ClickOnLetterUp.qml
+++ b/src/activities/click_on_letter_up/ClickOnLetterUp.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/clickanddraw/Clickanddraw.qml \
b/src/activities/clickanddraw/Clickanddraw.qml index 0ec06b36..3148e8e5 100644
--- a/src/activities/clickanddraw/Clickanddraw.qml
+++ b/src/activities/clickanddraw/Clickanddraw.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../number_sequence"
 import "../../core" as Core
 import "clickanddraw_dataset.js" as Dataset
diff --git a/src/activities/clickgame/Clickgame.qml \
b/src/activities/clickgame/Clickgame.qml index 4b7d28ec..b4843f2f 100644
--- a/src/activities/clickgame/Clickgame.qml
+++ b/src/activities/clickgame/Clickgame.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "clickgame.js" as Activity
diff --git a/src/activities/clickgame/Fish.qml b/src/activities/clickgame/Fish.qml
index 919fad0b..e1670a47 100644
--- a/src/activities/clickgame/Fish.qml
+++ b/src/activities/clickgame/Fish.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtQuick.Particles 2.0
 import "clickgame.js" as Activity
 import "../../core"
diff --git a/src/activities/clickgame/clickgame.js \
b/src/activities/clickgame/clickgame.js index b577a522..d81548e5 100644
--- a/src/activities/clickgame/clickgame.js
+++ b/src/activities/clickgame/clickgame.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 
 var fishes = [
diff --git a/src/activities/clockgame/Clockgame.qml \
b/src/activities/clockgame/Clockgame.qml index 8286e980..5eb4ceaf 100644
--- a/src/activities/clockgame/Clockgame.qml
+++ b/src/activities/clockgame/Clockgame.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/color_mix/ColorButton.qml \
b/src/activities/color_mix/ColorButton.qml index 7de10caf..ba5990ca 100644
--- a/src/activities/color_mix/ColorButton.qml
+++ b/src/activities/color_mix/ColorButton.qml
@@ -18,7 +18,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 
 import "../../core"
 
diff --git a/src/activities/color_mix/ColorChooser.qml \
b/src/activities/color_mix/ColorChooser.qml index 68cd85d0..d4b70547 100644
--- a/src/activities/color_mix/ColorChooser.qml
+++ b/src/activities/color_mix/ColorChooser.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 import GCompris 1.0
diff --git a/src/activities/color_mix/ColorMix.qml \
b/src/activities/color_mix/ColorMix.qml index 3a4f0e31..992f38b4 100644
--- a/src/activities/color_mix/ColorMix.qml
+++ b/src/activities/color_mix/ColorMix.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/color_mix_light/ColorMixLight.qml \
b/src/activities/color_mix_light/ColorMixLight.qml index 07c9e9b0..423639ff 100644
--- a/src/activities/color_mix_light/ColorMixLight.qml
+++ b/src/activities/color_mix_light/ColorMixLight.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../color_mix"
 
 ColorMix {
diff --git a/src/activities/colors/ColorItem.qml \
b/src/activities/colors/ColorItem.qml index af1a0e54..12e7f988 100644
--- a/src/activities/colors/ColorItem.qml
+++ b/src/activities/colors/ColorItem.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "findit.js" as Activity
 import "../../core"
 import GCompris 1.0
diff --git a/src/activities/colors/Colors.qml b/src/activities/colors/Colors.qml
index d7fc30f9..d9f8a436 100644
--- a/src/activities/colors/Colors.qml
+++ b/src/activities/colors/Colors.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "colors.js" as Dataset
diff --git a/src/activities/colors/FindIt.qml b/src/activities/colors/FindIt.qml
index c43e8950..86e1c9b5 100644
--- a/src/activities/colors/FindIt.qml
+++ b/src/activities/colors/FindIt.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/colors/findit.js b/src/activities/colors/findit.js
index 0a290a1e..da38b3f5 100644
--- a/src/activities/colors/findit.js
+++ b/src/activities/colors/findit.js
@@ -17,7 +17,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/colors/resource/"
diff --git a/src/activities/crane/Controls.qml b/src/activities/crane/Controls.qml
index 8d03aca9..dfcf4fdb 100644
--- a/src/activities/crane/Controls.qml
+++ b/src/activities/crane/Controls.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "crane.js" as Activity
 
 Image {
diff --git a/src/activities/crane/Crane.qml b/src/activities/crane/Crane.qml
index 8825b769..c6fc3e78 100644
--- a/src/activities/crane/Crane.qml
+++ b/src/activities/crane/Crane.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 import "../../core"
diff --git a/src/activities/crane/crane.js b/src/activities/crane/crane.js
index 1a39b9c9..ba7591db 100644
--- a/src/activities/crane/crane.js
+++ b/src/activities/crane/crane.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var levels = [{showGrid: 1, noOfItems: 2, inLine: true, columns: 4, rows: 3 },
diff --git a/src/activities/details/Details.qml b/src/activities/details/Details.qml
index aa76f781..f8e7f3a9 100644
--- a/src/activities/details/Details.qml
+++ b/src/activities/details/Details.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/details/resource/board/board10_0.qml \
b/src/activities/details/resource/board/board10_0.qml index 44861ca7..d6e11f08 100644
--- a/src/activities/details/resource/board/board10_0.qml
+++ b/src/activities/details/resource/board/board10_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Eilean Donan castle")
diff --git a/src/activities/details/resource/board/board11_0.qml \
b/src/activities/details/resource/board/board11_0.qml index 23ce742b..8951bcf8 100644
--- a/src/activities/details/resource/board/board11_0.qml
+++ b/src/activities/details/resource/board/board11_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Gizah Pyramids, Egypt")
diff --git a/src/activities/details/resource/board/board12_0.qml \
b/src/activities/details/resource/board/board12_0.qml index c71fef86..80824afb 100644
--- a/src/activities/details/resource/board/board12_0.qml
+++ b/src/activities/details/resource/board/board12_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Sydney Opera House, Australia")
diff --git a/src/activities/details/resource/board/board13_0.qml \
b/src/activities/details/resource/board/board13_0.qml index 624b8c47..f697e9b9 100644
--- a/src/activities/details/resource/board/board13_0.qml
+++ b/src/activities/details/resource/board/board13_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Tower Bridge in London")
diff --git a/src/activities/details/resource/board/board14_0.qml \
b/src/activities/details/resource/board/board14_0.qml index 62cc9a6d..f62f12da 100644
--- a/src/activities/details/resource/board/board14_0.qml
+++ b/src/activities/details/resource/board/board14_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Eiffel Tower, seen from the champ de Mars, \
                Paris, France")
diff --git a/src/activities/details/resource/board/board15_0.qml \
b/src/activities/details/resource/board/board15_0.qml index 231e91a6..00490239 100644
--- a/src/activities/details/resource/board/board15_0.qml
+++ b/src/activities/details/resource/board/board15_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Courtyard of the Museum of Louvre, and its \
                pyramid")
diff --git a/src/activities/details/resource/board/board16_0.qml \
b/src/activities/details/resource/board/board16_0.qml index f3b5ceb1..249f20eb 100644
--- a/src/activities/details/resource/board/board16_0.qml
+++ b/src/activities/details/resource/board/board16_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Panorama of Château de Chenonceau, \
                Indre-et-Loire, France.")
diff --git a/src/activities/details/resource/board/board17_0.qml \
b/src/activities/details/resource/board/board17_0.qml index d3efdd69..126afc18 100644
--- a/src/activities/details/resource/board/board17_0.qml
+++ b/src/activities/details/resource/board/board17_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Windmill in Sønderho, Fanø, Denmark")
diff --git a/src/activities/details/resource/board/board18_0.qml \
b/src/activities/details/resource/board/board18_0.qml index ae904be0..c03ada7d 100644
--- a/src/activities/details/resource/board/board18_0.qml
+++ b/src/activities/details/resource/board/board18_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Nagoya Castle, Aichi Prefecture, Japan.")
diff --git a/src/activities/details/resource/board/board19_0.qml \
b/src/activities/details/resource/board/board19_0.qml index d885714c..78759454 100644
--- a/src/activities/details/resource/board/board19_0.qml
+++ b/src/activities/details/resource/board/board19_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Taj Mahal, Agra, India")
diff --git a/src/activities/details/resource/board/board1_0.qml \
b/src/activities/details/resource/board/board1_0.qml index 1fe5bdee..1c8200bd 100644
--- a/src/activities/details/resource/board/board1_0.qml
+++ b/src/activities/details/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, Entrance Hall of Saint-Paul \
                Hospital - 1889")
diff --git a/src/activities/details/resource/board/board20_0.qml \
b/src/activities/details/resource/board/board20_0.qml index 716dcf1e..7320f0cd 100644
--- a/src/activities/details/resource/board/board20_0.qml
+++ b/src/activities/details/resource/board/board20_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Castle Neuschwanstein at Schwangau, Bavaria, \
                Germany")
diff --git a/src/activities/details/resource/board/board21_0.qml \
b/src/activities/details/resource/board/board21_0.qml index d09bcecc..a2e3da6e 100644
--- a/src/activities/details/resource/board/board21_0.qml
+++ b/src/activities/details/resource/board/board21_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Egeskov Castle, Denmark")
diff --git a/src/activities/details/resource/board/board2_0.qml \
b/src/activities/details/resource/board/board2_0.qml index f486e18a..5cf94684 100644
--- a/src/activities/details/resource/board/board2_0.qml
+++ b/src/activities/details/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, The Bridge of Langlois at \
                Arles with a lady with umbrella - 1888")
diff --git a/src/activities/details/resource/board/board3_0.qml \
b/src/activities/details/resource/board/board3_0.qml index e1c34e98..53a34da8 100644
--- a/src/activities/details/resource/board/board3_0.qml
+++ b/src/activities/details/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, The Church at \
                Auvers-sur-Oise - 1890")
diff --git a/src/activities/details/resource/board/board4_0.qml \
b/src/activities/details/resource/board/board4_0.qml index 1c9b06be..4e6304a2 100644
--- a/src/activities/details/resource/board/board4_0.qml
+++ b/src/activities/details/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, Painter on His Way to Work - \
                1888")
diff --git a/src/activities/details/resource/board/board5_0.qml \
b/src/activities/details/resource/board/board5_0.qml index b743090b..ec0bef42 100644
--- a/src/activities/details/resource/board/board5_0.qml
+++ b/src/activities/details/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, The Harvest - 1888")
diff --git a/src/activities/details/resource/board/board6_0.qml \
b/src/activities/details/resource/board/board6_0.qml index d3598fdd..666d6579 100644
--- a/src/activities/details/resource/board/board6_0.qml
+++ b/src/activities/details/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, Cafe Terrace at Night - \
                1888")
diff --git a/src/activities/details/resource/board/board7_0.qml \
b/src/activities/details/resource/board/board7_0.qml index fc76d783..97dc5a29 100644
--- a/src/activities/details/resource/board/board7_0.qml
+++ b/src/activities/details/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, The Night Café - 1888")
diff --git a/src/activities/details/resource/board/board8_0.qml \
b/src/activities/details/resource/board/board8_0.qml index 4bb00751..8eb15eed 100644
--- a/src/activities/details/resource/board/board8_0.qml
+++ b/src/activities/details/resource/board/board8_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent van Gogh, Portrait of Pere Tanguy \
                1887-8")
diff --git a/src/activities/details/resource/board/board9_0.qml \
b/src/activities/details/resource/board/board9_0.qml index 44876751..40e14c5c 100644
--- a/src/activities/details/resource/board/board9_0.qml
+++ b/src/activities/details/resource/board/board9_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Notre Dame de Paris cathedral on the ÃŽle de \
                la Cité island in Paris, France.")
diff --git a/src/activities/drawletters/Drawletters.qml \
b/src/activities/drawletters/Drawletters.qml index 16638f54..cdceec4b 100644
--- a/src/activities/drawletters/Drawletters.qml
+++ b/src/activities/drawletters/Drawletters.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../number_sequence"
 import "../../core" as Core
 import "drawletters_dataset.js" as Dataset
diff --git a/src/activities/drawnumbers/Drawnumbers.qml \
b/src/activities/drawnumbers/Drawnumbers.qml index f34eaa52..7b2ce4ea 100644
--- a/src/activities/drawnumbers/Drawnumbers.qml
+++ b/src/activities/drawnumbers/Drawnumbers.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../number_sequence"
 import "../../core" as Core 
 import "drawnumbers_dataset.js" as Dataset
diff --git a/src/activities/enumerate/AnswerArea.qml \
b/src/activities/enumerate/AnswerArea.qml index 54a1bb16..f91a2e5f 100644
--- a/src/activities/enumerate/AnswerArea.qml
+++ b/src/activities/enumerate/AnswerArea.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "enumerate.js" as Activity
 
diff --git a/src/activities/enumerate/Enumerate.qml \
b/src/activities/enumerate/Enumerate.qml index df5a4435..82ce5da4 100644
--- a/src/activities/enumerate/Enumerate.qml
+++ b/src/activities/enumerate/Enumerate.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "."
 
diff --git a/src/activities/enumerate/ItemToEnumerate.qml \
b/src/activities/enumerate/ItemToEnumerate.qml index 60e35b2e..8c38eb15 100644
--- a/src/activities/enumerate/ItemToEnumerate.qml
+++ b/src/activities/enumerate/ItemToEnumerate.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 import "enumerate.js" as Activity
 
diff --git a/src/activities/enumerate/enumerate.js \
b/src/activities/enumerate/enumerate.js index 4bf50786..6f6f6e7f 100644
--- a/src/activities/enumerate/enumerate.js
+++ b/src/activities/enumerate/enumerate.js
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/enumerate/resource/"
diff --git a/src/activities/erase/Block.qml b/src/activities/erase/Block.qml
index ab7d09e9..349a30da 100644
--- a/src/activities/erase/Block.qml
+++ b/src/activities/erase/Block.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "erase.js" as Activity
 import "../../core"
 import GCompris 1.0
diff --git a/src/activities/erase/Erase.qml b/src/activities/erase/Erase.qml
index 271de991..f90b0ae8 100644
--- a/src/activities/erase/Erase.qml
+++ b/src/activities/erase/Erase.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/erase/erase.js b/src/activities/erase/erase.js
index 901235b5..7f2535bd 100644
--- a/src/activities/erase/erase.js
+++ b/src/activities/erase/erase.js
@@ -21,7 +21,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/erase/resource/"
diff --git a/src/activities/erase_2clic/Erase2clic.qml \
b/src/activities/erase_2clic/Erase2clic.qml index 09d4cd63..18705f75 100644
--- a/src/activities/erase_2clic/Erase2clic.qml
+++ b/src/activities/erase_2clic/Erase2clic.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../erase"
diff --git a/src/activities/erase_clic/EraseClic.qml \
b/src/activities/erase_clic/EraseClic.qml index 29545d2b..08a006fa 100644
--- a/src/activities/erase_clic/EraseClic.qml
+++ b/src/activities/erase_clic/EraseClic.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../erase"
diff --git a/src/activities/explore_farm_animals/AnimalDescriptionLevels.qml \
b/src/activities/explore_farm_animals/AnimalDescriptionLevels.qml index \
                429dce9e..cdc90022 100644
--- a/src/activities/explore_farm_animals/AnimalDescriptionLevels.qml
+++ b/src/activities/explore_farm_animals/AnimalDescriptionLevels.qml
@@ -22,7 +22,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/explore_farm_animals/AnimalLevels.qml \
b/src/activities/explore_farm_animals/AnimalLevels.qml index 5d3d611f..9e0602d7 \
                100644
--- a/src/activities/explore_farm_animals/AnimalLevels.qml
+++ b/src/activities/explore_farm_animals/AnimalLevels.qml
@@ -21,7 +21,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/explore_farm_animals/ExploreFarmAnimals.qml \
b/src/activities/explore_farm_animals/ExploreFarmAnimals.qml index d7834b27..aedc2954 \
                100644
--- a/src/activities/explore_farm_animals/ExploreFarmAnimals.qml
+++ b/src/activities/explore_farm_animals/ExploreFarmAnimals.qml
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 ExploreLevels {
diff --git a/src/activities/explore_farm_animals/ExploreLevels.qml \
b/src/activities/explore_farm_animals/ExploreLevels.qml index fa9b0139..16a90285 \
                100644
--- a/src/activities/explore_farm_animals/ExploreLevels.qml
+++ b/src/activities/explore_farm_animals/ExploreLevels.qml
@@ -22,9 +22,9 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
-import QtQuick.Controls 1.2
+import QtQuick.Controls 1.5
 
 import "../../core"
 import "explore-level.js" as Activity
diff --git a/src/activities/explore_farm_animals/resource/board/board1.qml \
b/src/activities/explore_farm_animals/resource/board/board1.qml index \
                928d904c..07acccf1 100644
--- a/src/activities/explore_farm_animals/resource/board/board1.qml
+++ b/src/activities/explore_farm_animals/resource/board/board1.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0 as GCompris
 
 QtObject {
diff --git a/src/activities/explore_monuments/Explore_monuments.qml \
b/src/activities/explore_monuments/Explore_monuments.qml index e356a7d4..7937d3c7 \
                100644
--- a/src/activities/explore_monuments/Explore_monuments.qml
+++ b/src/activities/explore_monuments/Explore_monuments.qml
@@ -19,7 +19,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../explore_farm_animals"
diff --git a/src/activities/explore_monuments/resource/board/board1.qml \
b/src/activities/explore_monuments/resource/board/board1.qml index 888f3c6c..b092c55c \
                100644
--- a/src/activities/explore_monuments/resource/board/board1.qml
+++ b/src/activities/explore_monuments/resource/board/board1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
 
diff --git a/src/activities/explore_monuments/resource/board/board2.qml \
b/src/activities/explore_monuments/resource/board/board2.qml index 844894db..d2b702d8 \
                100644
--- a/src/activities/explore_monuments/resource/board/board2.qml
+++ b/src/activities/explore_monuments/resource/board/board2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string backgroundImage: \
                "qrc:/gcompris/src/activities/explore_monuments/resource/india/indiabg.jpg"
                
diff --git a/src/activities/explore_monuments/resource/board/board3.qml \
b/src/activities/explore_monuments/resource/board/board3.qml index 1d1e962c..a39a4095 \
                100644
--- a/src/activities/explore_monuments/resource/board/board3.qml
+++ b/src/activities/explore_monuments/resource/board/board3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string backgroundImage: \
                "qrc:/gcompris/src/activities/explore_monuments/resource/france/francebg.jpg"
                
diff --git a/src/activities/explore_monuments/resource/board/board4.qml \
b/src/activities/explore_monuments/resource/board/board4.qml index 726835f5..63aae834 \
                100644
--- a/src/activities/explore_monuments/resource/board/board4.qml
+++ b/src/activities/explore_monuments/resource/board/board4.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string backgroundImage: \
                "qrc:/gcompris/src/activities/explore_monuments/resource/germany/germanybg.jpg"
                
diff --git a/src/activities/explore_monuments/resource/board/board5.qml \
b/src/activities/explore_monuments/resource/board/board5.qml index 7012bb40..ee227d0a \
                100644
--- a/src/activities/explore_monuments/resource/board/board5.qml
+++ b/src/activities/explore_monuments/resource/board/board5.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string backgroundImage: \
                "qrc:/gcompris/src/activities/explore_monuments/resource/usa/usbg.jpg"
                
diff --git a/src/activities/explore_monuments/resource/board/board6.qml \
b/src/activities/explore_monuments/resource/board/board6.qml index b2afd426..72190279 \
                100644
--- a/src/activities/explore_monuments/resource/board/board6.qml
+++ b/src/activities/explore_monuments/resource/board/board6.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string backgroundImage: \
                "qrc:/gcompris/src/activities/explore_monuments/resource/egypt/egyptbg.jpg"
                
diff --git a/src/activities/explore_world_animals/ExploreWorldAnimals.qml \
b/src/activities/explore_world_animals/ExploreWorldAnimals.qml index \
                1dd175ae..dc74fde2 100644
--- a/src/activities/explore_world_animals/ExploreWorldAnimals.qml
+++ b/src/activities/explore_world_animals/ExploreWorldAnimals.qml
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../explore_farm_animals"
diff --git a/src/activities/explore_world_animals/resource/board/board1.qml \
b/src/activities/explore_world_animals/resource/board/board1.qml index \
                512ef83b..27f54959 100644
--- a/src/activities/explore_world_animals/resource/board/board1.qml
+++ b/src/activities/explore_world_animals/resource/board/board1.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
 
diff --git a/src/activities/explore_world_animals/resource/board/board2.qml \
b/src/activities/explore_world_animals/resource/board/board2.qml index \
                3dfbb65a..5414e47c 100644
--- a/src/activities/explore_world_animals/resource/board/board2.qml
+++ b/src/activities/explore_world_animals/resource/board/board2.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
 
diff --git a/src/activities/explore_world_animals/resource/board/board3.qml \
b/src/activities/explore_world_animals/resource/board/board3.qml index \
                02b94213..e48b1082 100644
--- a/src/activities/explore_world_animals/resource/board/board3.qml
+++ b/src/activities/explore_world_animals/resource/board/board3.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
 
diff --git a/src/activities/explore_world_music/ExploreWorldMusic.qml \
b/src/activities/explore_world_music/ExploreWorldMusic.qml index da202440..c426098c \
                100644
--- a/src/activities/explore_world_music/ExploreWorldMusic.qml
+++ b/src/activities/explore_world_music/ExploreWorldMusic.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../explore_farm_animals"
diff --git a/src/activities/explore_world_music/resource/board/board1.qml \
b/src/activities/explore_world_music/resource/board/board1.qml index \
                903a2f00..de0d19e8 100644
--- a/src/activities/explore_world_music/resource/board/board1.qml
+++ b/src/activities/explore_world_music/resource/board/board1.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0 as GCompris
 
 QtObject {
diff --git a/src/activities/fifteen/Fifteen.qml b/src/activities/fifteen/Fifteen.qml
index 7a80561d..3f03af00 100644
--- a/src/activities/fifteen/Fifteen.qml
+++ b/src/activities/fifteen/Fifteen.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 import "../../core"
diff --git a/src/activities/fifteen/fifteen.js b/src/activities/fifteen/fifteen.js
index 4a7607bd..ae1b6f5c 100644
--- a/src/activities/fifteen/fifteen.js
+++ b/src/activities/fifteen/fifteen.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/fifteen/resource/"
diff --git a/src/activities/followline/Followline.qml \
b/src/activities/followline/Followline.qml index 7be53f45..55dec189 100644
--- a/src/activities/followline/Followline.qml
+++ b/src/activities/followline/Followline.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/followline/LinePart.qml \
b/src/activities/followline/LinePart.qml index 0b0151af..f1760abf 100644
--- a/src/activities/followline/LinePart.qml
+++ b/src/activities/followline/LinePart.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import "../../core"
 
 Item {
diff --git a/src/activities/followline/followline.js \
b/src/activities/followline/followline.js index 498da10a..2c67c1de 100644
--- a/src/activities/followline/followline.js
+++ b/src/activities/followline/followline.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 
 var url = "qrc:/gcompris/src/activities/followline/resource/"
diff --git a/src/activities/football/Football.qml \
b/src/activities/football/Football.qml index a4f59c89..fd72307d 100644
--- a/src/activities/football/Football.qml
+++ b/src/activities/football/Football.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "football.js" as Activity
diff --git a/src/activities/football/football.js \
b/src/activities/football/football.js index 9cd2980d..3bbaed72 100644
--- a/src/activities/football/football.js
+++ b/src/activities/football/football.js
@@ -21,7 +21,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/geo-country/GeoCountry.qml \
b/src/activities/geo-country/GeoCountry.qml index 45894acd..01a73f94 100644
--- a/src/activities/geo-country/GeoCountry.qml
+++ b/src/activities/geo-country/GeoCountry.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/geo-country/resource/board/board10_0.qml \
b/src/activities/geo-country/resource/board/board10_0.qml index d5e739f5..f83f7b1e \
                100644
--- a/src/activities/geo-country/resource/board/board10_0.qml
+++ b/src/activities/geo-country/resource/board/board10_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 1
diff --git a/src/activities/geo-country/resource/board/board10_1.qml \
b/src/activities/geo-country/resource/board/board10_1.qml index 73496494..51ea2835 \
                100644
--- a/src/activities/geo-country/resource/board/board10_1.qml
+++ b/src/activities/geo-country/resource/board/board10_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("United States of America")
diff --git a/src/activities/geo-country/resource/board/board11_0.qml \
b/src/activities/geo-country/resource/board/board11_0.qml index 60815c7c..adeb70c4 \
                100644
--- a/src/activities/geo-country/resource/board/board11_0.qml
+++ b/src/activities/geo-country/resource/board/board11_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 3
diff --git a/src/activities/geo-country/resource/board/board11_1.qml \
b/src/activities/geo-country/resource/board/board11_1.qml index 6a7f48f1..448d59e7 \
                100644
--- a/src/activities/geo-country/resource/board/board11_1.qml
+++ b/src/activities/geo-country/resource/board/board11_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Northern Italy")
diff --git a/src/activities/geo-country/resource/board/board11_2.qml \
b/src/activities/geo-country/resource/board/board11_2.qml index 6c56c91a..33f74190 \
                100644
--- a/src/activities/geo-country/resource/board/board11_2.qml
+++ b/src/activities/geo-country/resource/board/board11_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Central Italy")
diff --git a/src/activities/geo-country/resource/board/board11_3.qml \
b/src/activities/geo-country/resource/board/board11_3.qml index b26c5d3c..be6c503d \
                100644
--- a/src/activities/geo-country/resource/board/board11_3.qml
+++ b/src/activities/geo-country/resource/board/board11_3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Southern Italy")
diff --git a/src/activities/geo-country/resource/board/board12_0.qml \
b/src/activities/geo-country/resource/board/board12_0.qml index d5179436..adbcaca3 \
                100644
--- a/src/activities/geo-country/resource/board/board12_0.qml
+++ b/src/activities/geo-country/resource/board/board12_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("States of India")
diff --git a/src/activities/geo-country/resource/board/board13_0.qml \
b/src/activities/geo-country/resource/board/board13_0.qml index 731ed9f0..400ba4a2 \
                100644
--- a/src/activities/geo-country/resource/board/board13_0.qml
+++ b/src/activities/geo-country/resource/board/board13_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Australia")
diff --git a/src/activities/geo-country/resource/board/board14_0.qml \
b/src/activities/geo-country/resource/board/board14_0.qml index bf481a44..9bfb7ead \
                100644
--- a/src/activities/geo-country/resource/board/board14_0.qml
+++ b/src/activities/geo-country/resource/board/board14_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of China")
diff --git a/src/activities/geo-country/resource/board/board15_0.qml \
b/src/activities/geo-country/resource/board/board15_0.qml index c39eae2b..b5491741 \
                100644
--- a/src/activities/geo-country/resource/board/board15_0.qml
+++ b/src/activities/geo-country/resource/board/board15_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 3
diff --git a/src/activities/geo-country/resource/board/board15_1.qml \
b/src/activities/geo-country/resource/board/board15_1.qml index 707ef4f6..9d83eb5a \
                100644
--- a/src/activities/geo-country/resource/board/board15_1.qml
+++ b/src/activities/geo-country/resource/board/board15_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Southern Scotland")
diff --git a/src/activities/geo-country/resource/board/board15_2.qml \
b/src/activities/geo-country/resource/board/board15_2.qml index 660e695c..0e3aa013 \
                100644
--- a/src/activities/geo-country/resource/board/board15_2.qml
+++ b/src/activities/geo-country/resource/board/board15_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Northern Scotland")
diff --git a/src/activities/geo-country/resource/board/board15_3.qml \
b/src/activities/geo-country/resource/board/board15_3.qml index 70b2e593..2c626405 \
                100644
--- a/src/activities/geo-country/resource/board/board15_3.qml
+++ b/src/activities/geo-country/resource/board/board15_3.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Southern Scotland")
diff --git a/src/activities/geo-country/resource/board/board16_0.qml \
b/src/activities/geo-country/resource/board/board16_0.qml index 449ee384..31ffa174 \
                100644
--- a/src/activities/geo-country/resource/board/board16_0.qml
+++ b/src/activities/geo-country/resource/board/board16_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Provinces of Romania")
diff --git a/src/activities/geo-country/resource/board/board1_0.qml \
b/src/activities/geo-country/resource/board/board1_0.qml index 21f5ee05..fb3f0e9d \
                100644
--- a/src/activities/geo-country/resource/board/board1_0.qml
+++ b/src/activities/geo-country/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of France")
diff --git a/src/activities/geo-country/resource/board/board2_0.qml \
b/src/activities/geo-country/resource/board/board2_0.qml index deaa20d0..4350161a \
                100644
--- a/src/activities/geo-country/resource/board/board2_0.qml
+++ b/src/activities/geo-country/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Germany")
diff --git a/src/activities/geo-country/resource/board/board3_0.qml \
b/src/activities/geo-country/resource/board/board3_0.qml index ac8ca610..5ce03999 \
                100644
--- a/src/activities/geo-country/resource/board/board3_0.qml
+++ b/src/activities/geo-country/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Argentina")
diff --git a/src/activities/geo-country/resource/board/board4_0.qml \
b/src/activities/geo-country/resource/board/board4_0.qml index 750e410b..250df2e9 \
                100644
--- a/src/activities/geo-country/resource/board/board4_0.qml
+++ b/src/activities/geo-country/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Poland")
diff --git a/src/activities/geo-country/resource/board/board5_0.qml \
b/src/activities/geo-country/resource/board/board5_0.qml index 67ec7f6f..516e5ee2 \
                100644
--- a/src/activities/geo-country/resource/board/board5_0.qml
+++ b/src/activities/geo-country/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 2
diff --git a/src/activities/geo-country/resource/board/board5_1.qml \
b/src/activities/geo-country/resource/board/board5_1.qml index fa31a2bd..1fc06e07 \
                100644
--- a/src/activities/geo-country/resource/board/board5_1.qml
+++ b/src/activities/geo-country/resource/board/board5_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Eastern Districts of Turkey")
diff --git a/src/activities/geo-country/resource/board/board5_2.qml \
b/src/activities/geo-country/resource/board/board5_2.qml index fbb9494a..f2a4972c \
                100644
--- a/src/activities/geo-country/resource/board/board5_2.qml
+++ b/src/activities/geo-country/resource/board/board5_2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Turkey")
diff --git a/src/activities/geo-country/resource/board/board6_0.qml \
b/src/activities/geo-country/resource/board/board6_0.qml index 5394aa6a..11aa48d6 \
                100644
--- a/src/activities/geo-country/resource/board/board6_0.qml
+++ b/src/activities/geo-country/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Counties of Norway")
diff --git a/src/activities/geo-country/resource/board/board7_0.qml \
b/src/activities/geo-country/resource/board/board7_0.qml index 8e64552e..71b0d099 \
                100644
--- a/src/activities/geo-country/resource/board/board7_0.qml
+++ b/src/activities/geo-country/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Counties of Brazil")
diff --git a/src/activities/geo-country/resource/board/board8_0.qml \
b/src/activities/geo-country/resource/board/board8_0.qml index 93e1ce47..d2ecf7df \
                100644
--- a/src/activities/geo-country/resource/board/board8_0.qml
+++ b/src/activities/geo-country/resource/board/board8_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Canada")
diff --git a/src/activities/geo-country/resource/board/board9_0.qml \
b/src/activities/geo-country/resource/board/board9_0.qml index 39d43ba9..24c82d2e \
                100644
--- a/src/activities/geo-country/resource/board/board9_0.qml
+++ b/src/activities/geo-country/resource/board/board9_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Districts of Mexico")
diff --git a/src/activities/geography/Geography.qml \
b/src/activities/geography/Geography.qml index 6bd00054..2a9b7fe4 100644
--- a/src/activities/geography/Geography.qml
+++ b/src/activities/geography/Geography.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/geography/resource/board/board10_0.qml \
b/src/activities/geography/resource/board/board10_0.qml index 44a4489c..ae161154 \
                100644
--- a/src/activities/geography/resource/board/board10_0.qml
+++ b/src/activities/geography/resource/board/board10_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Oceania")
diff --git a/src/activities/geography/resource/board/board1_0.qml \
b/src/activities/geography/resource/board/board1_0.qml index 517fa967..7e513e61 \
                100644
--- a/src/activities/geography/resource/board/board1_0.qml
+++ b/src/activities/geography/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Continents")
diff --git a/src/activities/geography/resource/board/board2_0.qml \
b/src/activities/geography/resource/board/board2_0.qml index 154e1689..741c7339 \
                100644
--- a/src/activities/geography/resource/board/board2_0.qml
+++ b/src/activities/geography/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("North America")
diff --git a/src/activities/geography/resource/board/board3_0.qml \
b/src/activities/geography/resource/board/board3_0.qml index 1a38f781..f0def9e6 \
                100644
--- a/src/activities/geography/resource/board/board3_0.qml
+++ b/src/activities/geography/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property int numberOfSubLevel: 1
diff --git a/src/activities/geography/resource/board/board3_1.qml \
b/src/activities/geography/resource/board/board3_1.qml index b4d6213c..1275c0b1 \
                100644
--- a/src/activities/geography/resource/board/board3_1.qml
+++ b/src/activities/geography/resource/board/board3_1.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Central America")
diff --git a/src/activities/geography/resource/board/board4_0.qml \
b/src/activities/geography/resource/board/board4_0.qml index dd498826..b793d69b \
                100644
--- a/src/activities/geography/resource/board/board4_0.qml
+++ b/src/activities/geography/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("South America")
diff --git a/src/activities/geography/resource/board/board5_0.qml \
b/src/activities/geography/resource/board/board5_0.qml index 2ed8c7bb..fc3cdfdb \
                100644
--- a/src/activities/geography/resource/board/board5_0.qml
+++ b/src/activities/geography/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Western Europe")
diff --git a/src/activities/geography/resource/board/board6_0.qml \
b/src/activities/geography/resource/board/board6_0.qml index 60cfe23e..78d5fc0d \
                100644
--- a/src/activities/geography/resource/board/board6_0.qml
+++ b/src/activities/geography/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Eastern Europe")
diff --git a/src/activities/geography/resource/board/board7_0.qml \
b/src/activities/geography/resource/board/board7_0.qml index 57afa0b3..73916567 \
                100644
--- a/src/activities/geography/resource/board/board7_0.qml
+++ b/src/activities/geography/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Northern Africa")
diff --git a/src/activities/geography/resource/board/board8_0.qml \
b/src/activities/geography/resource/board/board8_0.qml index 613089d8..505cad50 \
                100644
--- a/src/activities/geography/resource/board/board8_0.qml
+++ b/src/activities/geography/resource/board/board8_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Southern Africa")
diff --git a/src/activities/geography/resource/board/board9_0.qml \
b/src/activities/geography/resource/board/board9_0.qml index 73b2e611..00040dc0 \
                100644
--- a/src/activities/geography/resource/board/board9_0.qml
+++ b/src/activities/geography/resource/board/board9_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property string instruction: qsTr("Asia")
diff --git a/src/activities/gletters/FallingDomino.qml \
b/src/activities/gletters/FallingDomino.qml index 274d80dc..fc0603e9 100644
--- a/src/activities/gletters/FallingDomino.qml
+++ b/src/activities/gletters/FallingDomino.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/gletters/FallingImage.qml \
b/src/activities/gletters/FallingImage.qml index e92f2fa9..c8773a60 100644
--- a/src/activities/gletters/FallingImage.qml
+++ b/src/activities/gletters/FallingImage.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/gletters/FallingWord.qml \
b/src/activities/gletters/FallingWord.qml index c5417985..34844ed0 100644
--- a/src/activities/gletters/FallingWord.qml
+++ b/src/activities/gletters/FallingWord.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/gletters/Gletters.qml \
b/src/activities/gletters/Gletters.qml index d4cc2f58..c2209071 100644
--- a/src/activities/gletters/Gletters.qml
+++ b/src/activities/gletters/Gletters.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gletters/gletters.js \
b/src/activities/gletters/gletters.js index 42a2d79a..ca25c652 100644
--- a/src/activities/gletters/gletters.js
+++ b/src/activities/gletters/gletters.js
@@ -25,7 +25,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/gnumch-equality/CellDelegate.qml \
b/src/activities/gnumch-equality/CellDelegate.qml index 85bb65d7..1b4cde1e 100644
--- a/src/activities/gnumch-equality/CellDelegate.qml
+++ b/src/activities/gnumch-equality/CellDelegate.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gnumch-equality/Creature.qml \
b/src/activities/gnumch-equality/Creature.qml index 0bc29eb6..f87f534b 100644
--- a/src/activities/gnumch-equality/Creature.qml
+++ b/src/activities/gnumch-equality/Creature.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/gnumch-equality/Diaper.qml \
b/src/activities/gnumch-equality/Diaper.qml index 31aaf7c6..f2faf991 100644
--- a/src/activities/gnumch-equality/Diaper.qml
+++ b/src/activities/gnumch-equality/Diaper.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 Monster {
     id: diaper
diff --git a/src/activities/gnumch-equality/Eater.qml \
b/src/activities/gnumch-equality/Eater.qml index 163ebccc..974b3c29 100644
--- a/src/activities/gnumch-equality/Eater.qml
+++ b/src/activities/gnumch-equality/Eater.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 Monster {
     id: eater
diff --git a/src/activities/gnumch-equality/Fraidy.qml \
b/src/activities/gnumch-equality/Fraidy.qml index b204a3d0..b4f6e75a 100644
--- a/src/activities/gnumch-equality/Fraidy.qml
+++ b/src/activities/gnumch-equality/Fraidy.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 // Fraidy is an afraid monster. He won't go in the center but he'll
 // stay close to the border.
diff --git a/src/activities/gnumch-equality/Gnumch.qml \
b/src/activities/gnumch-equality/Gnumch.qml index 45eeb81a..f11639ac 100644
--- a/src/activities/gnumch-equality/Gnumch.qml
+++ b/src/activities/gnumch-equality/Gnumch.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gnumch-equality/GnumchEquality.qml \
b/src/activities/gnumch-equality/GnumchEquality.qml index 64abfdcd..ba6219d6 100644
--- a/src/activities/gnumch-equality/GnumchEquality.qml
+++ b/src/activities/gnumch-equality/GnumchEquality.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 
 Gnumch {
     type: "equality"
diff --git a/src/activities/gnumch-equality/Monster.qml \
b/src/activities/gnumch-equality/Monster.qml index 8af5876b..c5a10afd 100644
--- a/src/activities/gnumch-equality/Monster.qml
+++ b/src/activities/gnumch-equality/Monster.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 
 import "gnumch-equality.js" as Activity
 
diff --git a/src/activities/gnumch-equality/Muncher.qml \
b/src/activities/gnumch-equality/Muncher.qml index 7b54cd85..b6fe1818 100644
--- a/src/activities/gnumch-equality/Muncher.qml
+++ b/src/activities/gnumch-equality/Muncher.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 Creature {
diff --git a/src/activities/gnumch-equality/Reggie.qml \
b/src/activities/gnumch-equality/Reggie.qml index 355211d2..d8d562d4 100644
--- a/src/activities/gnumch-equality/Reggie.qml
+++ b/src/activities/gnumch-equality/Reggie.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 Monster {
     id: reggie
diff --git a/src/activities/gnumch-equality/Smarty.qml \
b/src/activities/gnumch-equality/Smarty.qml index e9b11f0a..2a36162d 100644
--- a/src/activities/gnumch-equality/Smarty.qml
+++ b/src/activities/gnumch-equality/Smarty.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 // Smarty is smart enough to follow the muncher. So he will go after him.
 Monster {
diff --git a/src/activities/gnumch-equality/TopPanel.qml \
b/src/activities/gnumch-equality/TopPanel.qml index 3582ed71..87407870 100644
--- a/src/activities/gnumch-equality/TopPanel.qml
+++ b/src/activities/gnumch-equality/TopPanel.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gnumch-equality/WarnMonster.qml \
b/src/activities/gnumch-equality/WarnMonster.qml index dabdc9c5..5ada278d 100644
--- a/src/activities/gnumch-equality/WarnMonster.qml
+++ b/src/activities/gnumch-equality/WarnMonster.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gnumch-equality/Warning.qml \
b/src/activities/gnumch-equality/Warning.qml index 192bc628..7fc1700e 100644
--- a/src/activities/gnumch-equality/Warning.qml
+++ b/src/activities/gnumch-equality/Warning.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/gnumch-equality/gnumch-equality.js \
b/src/activities/gnumch-equality/gnumch-equality.js index adda376c..917a220b 100644
--- a/src/activities/gnumch-equality/gnumch-equality.js
+++ b/src/activities/gnumch-equality/gnumch-equality.js
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.2 as Quick
+.import QtQuick 2.6 as Quick
 
 var _currentLevel = 0
 var _numberOfLevel = 14
diff --git a/src/activities/gnumch-factors/GnumchFactors.qml \
b/src/activities/gnumch-factors/GnumchFactors.qml index 1c679048..180d42a7 100644
--- a/src/activities/gnumch-factors/GnumchFactors.qml
+++ b/src/activities/gnumch-factors/GnumchFactors.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 import "../../core"
 import "../gnumch-equality/"
diff --git a/src/activities/gnumch-inequality/GnumchInequality.qml \
b/src/activities/gnumch-inequality/GnumchInequality.qml index bfa6024f..41fc41c2 \
                100644
--- a/src/activities/gnumch-inequality/GnumchInequality.qml
+++ b/src/activities/gnumch-inequality/GnumchInequality.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 import "../../core"
 import "../gnumch-equality/"
diff --git a/src/activities/gnumch-multiples/GnumchMultiples.qml \
b/src/activities/gnumch-multiples/GnumchMultiples.qml index 4de05acf..dcb85ee3 100644
--- a/src/activities/gnumch-multiples/GnumchMultiples.qml
+++ b/src/activities/gnumch-multiples/GnumchMultiples.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 import "../../core"
 import "../gnumch-equality/"
diff --git a/src/activities/gnumch-primes/GnumchPrimes.qml \
b/src/activities/gnumch-primes/GnumchPrimes.qml index e508e55b..33623c09 100644
--- a/src/activities/gnumch-primes/GnumchPrimes.qml
+++ b/src/activities/gnumch-primes/GnumchPrimes.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 import "../../core"
 import "../gnumch-equality/"
diff --git a/src/activities/graph-coloring/GraphColoring.qml \
b/src/activities/graph-coloring/GraphColoring.qml index 1062f372..ffa64580 100644
--- a/src/activities/graph-coloring/GraphColoring.qml
+++ b/src/activities/graph-coloring/GraphColoring.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "graph-coloring.js" as Activity
diff --git a/src/activities/graph-coloring/Node.qml \
b/src/activities/graph-coloring/Node.qml index 2739b084..e113dd1a 100644
--- a/src/activities/graph-coloring/Node.qml
+++ b/src/activities/graph-coloring/Node.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 //import QtGraphicalEffects 1.0
 import "graph-coloring.js" as Activity
diff --git a/src/activities/graph-coloring/graph-coloring.js \
b/src/activities/graph-coloring/graph-coloring.js index cb373c04..18094dee 100644
--- a/src/activities/graph-coloring/graph-coloring.js
+++ b/src/activities/graph-coloring/graph-coloring.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var items
diff --git a/src/activities/guesscount/Admin.qml \
b/src/activities/guesscount/Admin.qml index 79ad8930..0eaf33c8 100644
--- a/src/activities/guesscount/Admin.qml
+++ b/src/activities/guesscount/Admin.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 import "guesscount.js" as Activity
 
diff --git a/src/activities/guesscount/DragTile.qml \
b/src/activities/guesscount/DragTile.qml index 99c70883..9a98b466 100644
--- a/src/activities/guesscount/DragTile.qml
+++ b/src/activities/guesscount/DragTile.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 
diff --git a/src/activities/guesscount/DropTile.qml \
b/src/activities/guesscount/DropTile.qml index e44e43a2..ebb73bce 100644
--- a/src/activities/guesscount/DropTile.qml
+++ b/src/activities/guesscount/DropTile.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "guesscount.js" as Activity
diff --git a/src/activities/guesscount/Guesscount.qml \
b/src/activities/guesscount/Guesscount.qml index a4762c33..0788f665 100644
--- a/src/activities/guesscount/Guesscount.qml
+++ b/src/activities/guesscount/Guesscount.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 import "guesscount.js" as Activity
 
diff --git a/src/activities/guesscount/OperandRow.qml \
b/src/activities/guesscount/OperandRow.qml index 34c98a16..415d9865 100644
--- a/src/activities/guesscount/OperandRow.qml
+++ b/src/activities/guesscount/OperandRow.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 
 Row {
diff --git a/src/activities/guesscount/OperationRow.qml \
b/src/activities/guesscount/OperationRow.qml index 2334e8a9..3e714b25 100644
--- a/src/activities/guesscount/OperationRow.qml
+++ b/src/activities/guesscount/OperationRow.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 import "guesscount.js" as Activity
 
diff --git a/src/activities/guesscount/OperatorRow.qml \
b/src/activities/guesscount/OperatorRow.qml index 4f31315c..83ce228b 100644
--- a/src/activities/guesscount/OperatorRow.qml
+++ b/src/activities/guesscount/OperatorRow.qml
@@ -21,7 +21,7 @@
  */
 
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 import "guesscount.js" as Activity
 
diff --git a/src/activities/guesscount/Tile.qml b/src/activities/guesscount/Tile.qml
index 6adf08a4..de115171 100644
--- a/src/activities/guesscount/Tile.qml
+++ b/src/activities/guesscount/Tile.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "guesscount.js" as Activity
 import "../../core"
 
diff --git a/src/activities/guesscount/guesscount.js \
b/src/activities/guesscount/guesscount.js index 1e02e3b6..c825f79f 100644
--- a/src/activities/guesscount/guesscount.js
+++ b/src/activities/guesscount/guesscount.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "dataset.js" as Data
 .import "qrc:/gcompris/src/core/core.js" as Core
diff --git a/src/activities/guessnumber/AnswerArea.qml \
b/src/activities/guessnumber/AnswerArea.qml index bacb38ca..d382267d 100644
--- a/src/activities/guessnumber/AnswerArea.qml
+++ b/src/activities/guessnumber/AnswerArea.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "guessnumber.js" as Activity
diff --git a/src/activities/guessnumber/Guessnumber.qml \
b/src/activities/guessnumber/Guessnumber.qml index b41c623e..6e9b2b35 100644
--- a/src/activities/guessnumber/Guessnumber.qml
+++ b/src/activities/guessnumber/Guessnumber.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/guessnumber/Helico.qml \
b/src/activities/guessnumber/Helico.qml index 381badc8..f305dcca 100644
--- a/src/activities/guessnumber/Helico.qml
+++ b/src/activities/guessnumber/Helico.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 
 Image {
diff --git a/src/activities/guessnumber/guessnumber.js \
b/src/activities/guessnumber/guessnumber.js index a72f85da..d7a09f3e 100644
--- a/src/activities/guessnumber/guessnumber.js
+++ b/src/activities/guessnumber/guessnumber.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 9
diff --git a/src/activities/hangman/Hangman.qml b/src/activities/hangman/Hangman.qml
index 699222b7..208d4687 100644
--- a/src/activities/hangman/Hangman.qml
+++ b/src/activities/hangman/Hangman.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/hangman/hangman.js b/src/activities/hangman/hangman.js
index 3e981e72..70d638bc 100644
--- a/src/activities/hangman/hangman.js
+++ b/src/activities/hangman/hangman.js
@@ -21,7 +21,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/hanoi/Hanoi.qml b/src/activities/hanoi/Hanoi.qml
index aaeb8054..ae19e284 100644
--- a/src/activities/hanoi/Hanoi.qml
+++ b/src/activities/hanoi/Hanoi.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../hanoi_real"
 
diff --git a/src/activities/hanoi_real/HanoiReal.qml \
b/src/activities/hanoi_real/HanoiReal.qml index e897be90..305bcebd 100644
--- a/src/activities/hanoi_real/HanoiReal.qml
+++ b/src/activities/hanoi_real/HanoiReal.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/hanoi_real/Highlight.qml \
b/src/activities/hanoi_real/Highlight.qml index b78465ae..7ad7102b 100644
--- a/src/activities/hanoi_real/Highlight.qml
+++ b/src/activities/hanoi_real/Highlight.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 Colorize {
diff --git a/src/activities/hanoi_real/hanoi_real.js \
b/src/activities/hanoi_real/hanoi_real.js index 99da8f3e..71761700 100644
--- a/src/activities/hanoi_real/hanoi_real.js
+++ b/src/activities/hanoi_real/hanoi_real.js
@@ -21,7 +21,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/hanoi_real/resource/"
diff --git a/src/activities/hexagon/Hexagon.qml b/src/activities/hexagon/Hexagon.qml
index 2cc5a542..038e917d 100644
--- a/src/activities/hexagon/Hexagon.qml
+++ b/src/activities/hexagon/Hexagon.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/hexagon/HexagonItem.qml \
b/src/activities/hexagon/HexagonItem.qml index 407afafd..e7a266e8 100644
--- a/src/activities/hexagon/HexagonItem.qml
+++ b/src/activities/hexagon/HexagonItem.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import "hexagon.js" as Activity
 import "../../core"
diff --git a/src/activities/hexagon/hexagon.js b/src/activities/hexagon/hexagon.js
index 5e675ba6..416bfdc1 100644
--- a/src/activities/hexagon/hexagon.js
+++ b/src/activities/hexagon/hexagon.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/hexagon/resource/"
 var maxNumberOfLevel = 12;
diff --git a/src/activities/imagename/Imagename.qml \
b/src/activities/imagename/Imagename.qml index 5a8e954e..dd4d1f2c 100644
--- a/src/activities/imagename/Imagename.qml
+++ b/src/activities/imagename/Imagename.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/imagename/resource/board/board1_0.qml \
b/src/activities/imagename/resource/board/board1_0.qml index 56e4aa10..36f84297 \
                100644
--- a/src/activities/imagename/resource/board/board1_0.qml
+++ b/src/activities/imagename/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Drag and Drop each item onto its name")
diff --git a/src/activities/imagename/resource/board/board2_0.qml \
b/src/activities/imagename/resource/board/board2_0.qml index 068cfa37..5496476d \
                100644
--- a/src/activities/imagename/resource/board/board2_0.qml
+++ b/src/activities/imagename/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/imagename/resource/board/board3_0.qml \
b/src/activities/imagename/resource/board/board3_0.qml index 979b34a6..36875aac \
                100644
--- a/src/activities/imagename/resource/board/board3_0.qml
+++ b/src/activities/imagename/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/imagename/resource/board/board4_0.qml \
b/src/activities/imagename/resource/board/board4_0.qml index d142b523..6f86a2f0 \
                100644
--- a/src/activities/imagename/resource/board/board4_0.qml
+++ b/src/activities/imagename/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/imagename/resource/board/board5_0.qml \
b/src/activities/imagename/resource/board/board5_0.qml index abd26969..a2c6ef3e \
                100644
--- a/src/activities/imagename/resource/board/board5_0.qml
+++ b/src/activities/imagename/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/imagename/resource/board/board6_0.qml \
b/src/activities/imagename/resource/board/board6_0.qml index db73f477..644b789d \
                100644
--- a/src/activities/imagename/resource/board/board6_0.qml
+++ b/src/activities/imagename/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/imagename/resource/board/board7_0.qml \
b/src/activities/imagename/resource/board/board7_0.qml index 640526f2..4b741453 \
                100644
--- a/src/activities/imagename/resource/board/board7_0.qml
+++ b/src/activities/imagename/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property variant levels: [
diff --git a/src/activities/instruments/Instruments.qml \
b/src/activities/instruments/Instruments.qml index 3efad3b0..5e651e01 100644
--- a/src/activities/instruments/Instruments.qml
+++ b/src/activities/instruments/Instruments.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../colors"
diff --git a/src/activities/intro_gravity/Asteroid.qml \
b/src/activities/intro_gravity/Asteroid.qml index 281b710f..e2f7c3f2 100644
--- a/src/activities/intro_gravity/Asteroid.qml
+++ b/src/activities/intro_gravity/Asteroid.qml
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import "intro_gravity.js" as Activity
 import "../../core"
 import GCompris 1.0
diff --git a/src/activities/intro_gravity/IntroGravity.qml \
b/src/activities/intro_gravity/IntroGravity.qml index ab1f83af..7db65a23 100644
--- a/src/activities/intro_gravity/IntroGravity.qml
+++ b/src/activities/intro_gravity/IntroGravity.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/intro_gravity/Planet.qml \
b/src/activities/intro_gravity/Planet.qml index b3b9f0f8..341f8eeb 100644
--- a/src/activities/intro_gravity/Planet.qml
+++ b/src/activities/intro_gravity/Planet.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/intro_gravity/intro_gravity.js \
b/src/activities/intro_gravity/intro_gravity.js index 68783b7d..f885c42a 100644
--- a/src/activities/intro_gravity/intro_gravity.js
+++ b/src/activities/intro_gravity/intro_gravity.js
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/land_safe/Accelerometer.qml \
b/src/activities/land_safe/Accelerometer.qml index 76f02e24..d43781a6 100644
--- a/src/activities/land_safe/Accelerometer.qml
+++ b/src/activities/land_safe/Accelerometer.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../../core"
 
 Item {
diff --git a/src/activities/land_safe/ControlButton.qml \
b/src/activities/land_safe/ControlButton.qml index 3c95d670..68e7ed68 100644
--- a/src/activities/land_safe/ControlButton.qml
+++ b/src/activities/land_safe/ControlButton.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 Image {
diff --git a/src/activities/land_safe/land_safe.js \
b/src/activities/land_safe/land_safe.js index ad199be2..a0e9403d 100644
--- a/src/activities/land_safe/land_safe.js
+++ b/src/activities/land_safe/land_safe.js
@@ -40,7 +40,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 
 var levels = [
diff --git a/src/activities/lang/ImageReview.qml \
b/src/activities/lang/ImageReview.qml index dc91cea7..c59e7836 100644
--- a/src/activities/lang/ImageReview.qml
+++ b/src/activities/lang/ImageReview.qml
@@ -21,7 +21,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/lang/Lang.qml b/src/activities/lang/Lang.qml
index 5b21df1d..45b44ada 100644
--- a/src/activities/lang/Lang.qml
+++ b/src/activities/lang/Lang.qml
@@ -21,7 +21,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/lang/MenuScreen.qml b/src/activities/lang/MenuScreen.qml
index 627345cf..a84755c7 100644
--- a/src/activities/lang/MenuScreen.qml
+++ b/src/activities/lang/MenuScreen.qml
@@ -20,10 +20,10 @@
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
-*/import QtQuick 2.1
+*/import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
-import QtQuick.Controls 1.2
+import QtQuick.Controls 1.5
 
 import "../../core"
 import "lang.js" as Activity
diff --git a/src/activities/lang/Quiz.qml b/src/activities/lang/Quiz.qml
index 359b36e4..4e646f97 100644
--- a/src/activities/lang/Quiz.qml
+++ b/src/activities/lang/Quiz.qml
@@ -21,7 +21,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/lang/SpellIt.qml b/src/activities/lang/SpellIt.qml
index dd93970d..76066fc5 100644
--- a/src/activities/lang/SpellIt.qml
+++ b/src/activities/lang/SpellIt.qml
@@ -21,7 +21,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/lang/lang.js b/src/activities/lang/lang.js
index 570ff30e..8adec865 100644
--- a/src/activities/lang/lang.js
+++ b/src/activities/lang/lang.js
@@ -22,7 +22,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/lang/quiz.js b/src/activities/lang/quiz.js
index 3c811c0a..cc107e35 100644
--- a/src/activities/lang/quiz.js
+++ b/src/activities/lang/quiz.js
@@ -22,7 +22,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/lang/spell_it.js b/src/activities/lang/spell_it.js
index 8beed828..2bbecd72 100644
--- a/src/activities/lang/spell_it.js
+++ b/src/activities/lang/spell_it.js
@@ -22,7 +22,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/leftright/Leftright.qml \
b/src/activities/leftright/Leftright.qml index 33c9a2de..9e0837c3 100644
--- a/src/activities/leftright/Leftright.qml
+++ b/src/activities/leftright/Leftright.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "leftright.js" as Activity
diff --git a/src/activities/leftright/leftright.js \
b/src/activities/leftright/leftright.js index 43d9779e..ab039d48 100644
--- a/src/activities/leftright/leftright.js
+++ b/src/activities/leftright/leftright.js
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var currentHands = []
diff --git a/src/activities/letter-in-word/Card.qml \
b/src/activities/letter-in-word/Card.qml index 99d385e8..1b917339 100644
--- a/src/activities/letter-in-word/Card.qml
+++ b/src/activities/letter-in-word/Card.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 import "../../core"
diff --git a/src/activities/letter-in-word/LetterInWord.qml \
b/src/activities/letter-in-word/LetterInWord.qml index 40751ffb..b9b6fb4a 100644
--- a/src/activities/letter-in-word/LetterInWord.qml
+++ b/src/activities/letter-in-word/LetterInWord.qml
@@ -22,7 +22,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 import "../../core"
diff --git a/src/activities/letter-in-word/letter-in-word.js \
b/src/activities/letter-in-word/letter-in-word.js index c68fc40d..754843c7 100644
--- a/src/activities/letter-in-word/letter-in-word.js
+++ b/src/activities/letter-in-word/letter-in-word.js
@@ -22,7 +22,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/lightsoff/Lightsoff.qml \
b/src/activities/lightsoff/Lightsoff.qml index 087db2d6..143190ac 100644
--- a/src/activities/lightsoff/Lightsoff.qml
+++ b/src/activities/lightsoff/Lightsoff.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "lightsoff.js" as Activity
diff --git a/src/activities/louis-braille/LouisBraille.qml \
b/src/activities/louis-braille/LouisBraille.qml index 366f78b4..b1fc1eb8 100644
--- a/src/activities/louis-braille/LouisBraille.qml
+++ b/src/activities/louis-braille/LouisBraille.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "../braille_alphabets"
diff --git a/src/activities/louis-braille/ReorderList.qml \
b/src/activities/louis-braille/ReorderList.qml index c25e5122..f9c98b18 100644
--- a/src/activities/louis-braille/ReorderList.qml
+++ b/src/activities/louis-braille/ReorderList.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/louis-braille/louis-braille.js \
b/src/activities/louis-braille/louis-braille.js index ea642f43..0d25122a 100644
--- a/src/activities/louis-braille/louis-braille.js
+++ b/src/activities/louis-braille/louis-braille.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var items
diff --git a/src/activities/magic-hat-minus/Hat.qml \
b/src/activities/magic-hat-minus/Hat.qml index b13af28d..2eff8b09 100644
--- a/src/activities/magic-hat-minus/Hat.qml
+++ b/src/activities/magic-hat-minus/Hat.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "magic-hat.js" as Activity
diff --git a/src/activities/magic-hat-minus/MagicHat.qml \
b/src/activities/magic-hat-minus/MagicHat.qml index 7251affa..69a03658 100644
--- a/src/activities/magic-hat-minus/MagicHat.qml
+++ b/src/activities/magic-hat-minus/MagicHat.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/magic-hat-minus/Star.qml \
b/src/activities/magic-hat-minus/Star.qml index 9b94a088..4bf6a42d 100644
--- a/src/activities/magic-hat-minus/Star.qml
+++ b/src/activities/magic-hat-minus/Star.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import "magic-hat.js" as Activity
 
diff --git a/src/activities/magic-hat-minus/StarsBar.qml \
b/src/activities/magic-hat-minus/StarsBar.qml index a2ea26c0..37e953b7 100644
--- a/src/activities/magic-hat-minus/StarsBar.qml
+++ b/src/activities/magic-hat-minus/StarsBar.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import "magic-hat.js" as Activity
 
 Item {
diff --git a/src/activities/magic-hat-minus/magic-hat.js \
b/src/activities/magic-hat-minus/magic-hat.js index fb28902e..99532a47 100644
--- a/src/activities/magic-hat-minus/magic-hat.js
+++ b/src/activities/magic-hat-minus/magic-hat.js
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/magic-hat-minus/resource/"
 
diff --git a/src/activities/magic-hat-plus/MagicHatPlus.qml \
b/src/activities/magic-hat-plus/MagicHatPlus.qml index d73f6294..e8ebd5e8 100644
--- a/src/activities/magic-hat-plus/MagicHatPlus.qml
+++ b/src/activities/magic-hat-plus/MagicHatPlus.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../magic-hat-minus/"
diff --git a/src/activities/maze/Maze.qml b/src/activities/maze/Maze.qml
index a1ff05f7..33b7e16c 100644
--- a/src/activities/maze/Maze.qml
+++ b/src/activities/maze/Maze.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtMultimedia 5.0
 
diff --git a/src/activities/mazeinvisible/Mazeinvisible.qml \
b/src/activities/mazeinvisible/Mazeinvisible.qml index 6c9b6f78..eb382f19 100644
--- a/src/activities/mazeinvisible/Mazeinvisible.qml
+++ b/src/activities/mazeinvisible/Mazeinvisible.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../maze"
 
 Maze {
diff --git a/src/activities/mazerelative/Mazerelative.qml \
b/src/activities/mazerelative/Mazerelative.qml index 4d21130a..e2277e95 100644
--- a/src/activities/mazerelative/Mazerelative.qml
+++ b/src/activities/mazerelative/Mazerelative.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import "../maze"
 Maze {
     relativeMode: true
diff --git a/src/activities/melody/Melody.qml b/src/activities/melody/Melody.qml
index 45aac7aa..fa9b10f8 100644
--- a/src/activities/melody/Melody.qml
+++ b/src/activities/melody/Melody.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/memory-enumerate/MemoryEnumerate.qml \
b/src/activities/memory-enumerate/MemoryEnumerate.qml index aa249647..33efdd6d 100644
--- a/src/activities/memory-enumerate/MemoryEnumerate.qml
+++ b/src/activities/memory-enumerate/MemoryEnumerate.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "dataset.js" as Dataset
diff --git a/src/activities/memory-math-add-minus-mult-div-tux/MemoryMathAddMinusMultDivTux.qml \
b/src/activities/memory-math-add-minus-mult-div-tux/MemoryMathAddMinusMultDivTux.qml \
                index 076b40bf..6682a07f 100644
--- a/src/activities/memory-math-add-minus-mult-div-tux/MemoryMathAddMinusMultDivTux.qml
                
+++ b/src/activities/memory-math-add-minus-mult-div-tux/MemoryMathAddMinusMultDivTux.qml
 @@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-addminusmultdivdataset.js" as Dataset
diff --git a/src/activities/memory-math-add-minus-mult-div/MemoryMathAddMinusMultDiv.qml \
b/src/activities/memory-math-add-minus-mult-div/MemoryMathAddMinusMultDiv.qml index \
                903c3a69..f50d0720 100644
--- a/src/activities/memory-math-add-minus-mult-div/MemoryMathAddMinusMultDiv.qml
+++ b/src/activities/memory-math-add-minus-mult-div/MemoryMathAddMinusMultDiv.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-addminusmultdivdataset.js" as Dataset
diff --git a/src/activities/memory-math-add-minus-tux/MemoryMathAddMinusTux.qml \
b/src/activities/memory-math-add-minus-tux/MemoryMathAddMinusTux.qml index \
                50b6d4c3..6cfb6ab0 100644
--- a/src/activities/memory-math-add-minus-tux/MemoryMathAddMinusTux.qml
+++ b/src/activities/memory-math-add-minus-tux/MemoryMathAddMinusTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-add-minus/memory-addminusdataset.js" as Dataset
diff --git a/src/activities/memory-math-add-minus/MemoryMathAddMinus.qml \
b/src/activities/memory-math-add-minus/MemoryMathAddMinus.qml index \
                164b37c8..c2546ad1 100644
--- a/src/activities/memory-math-add-minus/MemoryMathAddMinus.qml
+++ b/src/activities/memory-math-add-minus/MemoryMathAddMinus.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-addminusdataset.js" as Dataset
diff --git a/src/activities/memory-math-add-tux/MemoryMathAddTux.qml \
b/src/activities/memory-math-add-tux/MemoryMathAddTux.qml index c3b23aaa..a1df00da \
                100644
--- a/src/activities/memory-math-add-tux/MemoryMathAddTux.qml
+++ b/src/activities/memory-math-add-tux/MemoryMathAddTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-add/memory-adddataset.js" as Dataset
diff --git a/src/activities/memory-math-add/MemoryMathAdd.qml \
b/src/activities/memory-math-add/MemoryMathAdd.qml index 83755737..dc75e0c8 100644
--- a/src/activities/memory-math-add/MemoryMathAdd.qml
+++ b/src/activities/memory-math-add/MemoryMathAdd.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-adddataset.js" as Dataset
diff --git a/src/activities/memory-math-div-tux/MemoryMathDivTux.qml \
b/src/activities/memory-math-div-tux/MemoryMathDivTux.qml index e30b6076..7b5845af \
                100644
--- a/src/activities/memory-math-div-tux/MemoryMathDivTux.qml
+++ b/src/activities/memory-math-div-tux/MemoryMathDivTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-div/memory-divdataset.js" as Dataset
diff --git a/src/activities/memory-math-div/MemoryMathDiv.qml \
b/src/activities/memory-math-div/MemoryMathDiv.qml index 383e46cc..594af830 100644
--- a/src/activities/memory-math-div/MemoryMathDiv.qml
+++ b/src/activities/memory-math-div/MemoryMathDiv.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-divdataset.js" as Dataset
diff --git a/src/activities/memory-math-minus-tux/MemoryMathMinusTux.qml \
b/src/activities/memory-math-minus-tux/MemoryMathMinusTux.qml index \
                f3d0d48f..9e0af62a 100644
--- a/src/activities/memory-math-minus-tux/MemoryMathMinusTux.qml
+++ b/src/activities/memory-math-minus-tux/MemoryMathMinusTux.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-minus/memory-minusdataset.js" as Dataset
diff --git a/src/activities/memory-math-minus/MemoryMathMinus.qml \
b/src/activities/memory-math-minus/MemoryMathMinus.qml index ade9ee6e..65771188 \
                100644
--- a/src/activities/memory-math-minus/MemoryMathMinus.qml
+++ b/src/activities/memory-math-minus/MemoryMathMinus.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-minusdataset.js" as Dataset
diff --git a/src/activities/memory-math-mult-div-tux/MemoryMathMultDivTux.qml \
b/src/activities/memory-math-mult-div-tux/MemoryMathMultDivTux.qml index \
                44c4ef9e..ad2d3af1 100644
--- a/src/activities/memory-math-mult-div-tux/MemoryMathMultDivTux.qml
+++ b/src/activities/memory-math-mult-div-tux/MemoryMathMultDivTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-mult-div/memory-multdivdataset.js" as Dataset
diff --git a/src/activities/memory-math-mult-div/MemoryMathMultDiv.qml \
b/src/activities/memory-math-mult-div/MemoryMathMultDiv.qml index e7754a56..78752a7f \
                100644
--- a/src/activities/memory-math-mult-div/MemoryMathMultDiv.qml
+++ b/src/activities/memory-math-mult-div/MemoryMathMultDiv.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-multdivdataset.js" as Dataset
diff --git a/src/activities/memory-math-mult-tux/MemoryMathMultTux.qml \
b/src/activities/memory-math-mult-tux/MemoryMathMultTux.qml index 112783ca..60b1a94a \
                100644
--- a/src/activities/memory-math-mult-tux/MemoryMathMultTux.qml
+++ b/src/activities/memory-math-mult-tux/MemoryMathMultTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-math-mult/memory-multdataset.js" as Dataset
diff --git a/src/activities/memory-math-mult/MemoryMathMult.qml \
b/src/activities/memory-math-mult/MemoryMathMult.qml index eb029654..0fc16f6d 100644
--- a/src/activities/memory-math-mult/MemoryMathMult.qml
+++ b/src/activities/memory-math-mult/MemoryMathMult.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memory-multdataset.js" as Dataset
diff --git a/src/activities/memory-sound-tux/MemorySoundTux.qml \
b/src/activities/memory-sound-tux/MemorySoundTux.qml index 1e5d6cb6..5a80d89d 100644
--- a/src/activities/memory-sound-tux/MemorySoundTux.qml
+++ b/src/activities/memory-sound-tux/MemorySoundTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory-sound/memorysounddataset.js" as Dataset
diff --git a/src/activities/memory-sound/MemorySound.qml \
b/src/activities/memory-sound/MemorySound.qml index 0daf401d..ea1d6254 100644
--- a/src/activities/memory-sound/MemorySound.qml
+++ b/src/activities/memory-sound/MemorySound.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../memory"
diff --git a/src/activities/memory-tux/MemoryTux.qml \
b/src/activities/memory-tux/MemoryTux.qml index 1e22e0e8..806ed0d2 100644
--- a/src/activities/memory-tux/MemoryTux.qml
+++ b/src/activities/memory-tux/MemoryTux.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "../memory/memorydataset.js" as Dataset
diff --git a/src/activities/memory-wordnumber/MemoryWordnumber.qml \
b/src/activities/memory-wordnumber/MemoryWordnumber.qml index f2d14b40..be5a8ef0 \
                100644
--- a/src/activities/memory-wordnumber/MemoryWordnumber.qml
+++ b/src/activities/memory-wordnumber/MemoryWordnumber.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "dataset.js" as Dataset
diff --git a/src/activities/memory/CardItem.qml b/src/activities/memory/CardItem.qml
index 8a71d95b..be122f14 100644
--- a/src/activities/memory/CardItem.qml
+++ b/src/activities/memory/CardItem.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/memory/Memory.qml b/src/activities/memory/Memory.qml
index eaf4a3fb..e6811e4a 100644
--- a/src/activities/memory/Memory.qml
+++ b/src/activities/memory/Memory.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../memory"
 import "memorydataset.js" as Dataset
diff --git a/src/activities/memory/MemoryCommon.qml \
b/src/activities/memory/MemoryCommon.qml index 7692e957..364f5773 100644
--- a/src/activities/memory/MemoryCommon.qml
+++ b/src/activities/memory/MemoryCommon.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "."
diff --git a/src/activities/memory/memory.js b/src/activities/memory/memory.js
index 9a53136d..9bd37420 100644
--- a/src/activities/memory/memory.js
+++ b/src/activities/memory/memory.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/memory/resource/"
diff --git a/src/activities/menu/ConfigurationItem.qml \
b/src/activities/menu/ConfigurationItem.qml index f1622bd9..8db7e9df 100644
--- a/src/activities/menu/ConfigurationItem.qml
+++ b/src/activities/menu/ConfigurationItem.qml
@@ -19,9 +19,9 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.2
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/menu/Menu.qml b/src/activities/menu/Menu.qml
index 473f0f1b..c4bc4398 100644
--- a/src/activities/menu/Menu.qml
+++ b/src/activities/menu/Menu.qml
@@ -18,13 +18,13 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import "../../core"
 import GCompris 1.0
 import "qrc:/gcompris/src/core/core.js" as Core
 import QtGraphicalEffects 1.0
-import QtQuick.Controls 1.2
-import QtQuick.Controls.Styles 1.2
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 
 /**
  * GCompris' top level menu screen.
diff --git a/src/activities/mining/Mining.qml b/src/activities/mining/Mining.qml
index e03bd9aa..ae69473a 100644
--- a/src/activities/mining/Mining.qml
+++ b/src/activities/mining/Mining.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/mining/mining.js b/src/activities/mining/mining.js
index 2e0e9d5b..2b37d89e 100644
--- a/src/activities/mining/mining.js
+++ b/src/activities/mining/mining.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/mining/resource/"
 
diff --git a/src/activities/missing-letter/MissingLetter.qml \
b/src/activities/missing-letter/MissingLetter.qml index 52752cad..df859e20 100644
--- a/src/activities/missing-letter/MissingLetter.qml
+++ b/src/activities/missing-letter/MissingLetter.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/missing-letter/missing-letter.js \
b/src/activities/missing-letter/missing-letter.js index e3636cea..86c7d054 100644
--- a/src/activities/missing-letter/missing-letter.js
+++ b/src/activities/missing-letter/missing-letter.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/activities/lang/lang_api.js" as Lang
diff --git a/src/activities/money/MoneyCore.qml b/src/activities/money/MoneyCore.qml
index 8817be98..675ad4ef 100644
--- a/src/activities/money/MoneyCore.qml
+++ b/src/activities/money/MoneyCore.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "money.js" as Activity
diff --git a/src/activities/mosaic/Mosaic.qml b/src/activities/mosaic/Mosaic.qml
index b85ba777..5d5dd15a 100644
--- a/src/activities/mosaic/Mosaic.qml
+++ b/src/activities/mosaic/Mosaic.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "mosaic.js" as Activity
diff --git a/src/activities/mosaic/mosaic.js b/src/activities/mosaic/mosaic.js
index b5228459..50a9fd4c 100644
--- a/src/activities/mosaic/mosaic.js
+++ b/src/activities/mosaic/mosaic.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var images = [
diff --git a/src/activities/nine_men_morris/DragPoint.qml \
b/src/activities/nine_men_morris/DragPoint.qml index dd931e17..5d0b05cc 100644
--- a/src/activities/nine_men_morris/DragPoint.qml
+++ b/src/activities/nine_men_morris/DragPoint.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "nine_men_morris.js" as Activity
diff --git a/src/activities/nine_men_morris/NineMenMorris.qml \
b/src/activities/nine_men_morris/NineMenMorris.qml index a4e214c0..6be43e7f 100644
--- a/src/activities/nine_men_morris/NineMenMorris.qml
+++ b/src/activities/nine_men_morris/NineMenMorris.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "nine_men_morris.js" as Activity
diff --git a/src/activities/nine_men_morris/Piece.qml \
b/src/activities/nine_men_morris/Piece.qml index 38084824..2ea7fb8e 100644
--- a/src/activities/nine_men_morris/Piece.qml
+++ b/src/activities/nine_men_morris/Piece.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "nine_men_morris.js" as Activity
diff --git a/src/activities/nine_men_morris/nine_men_morris.js \
b/src/activities/nine_men_morris/nine_men_morris.js index db5ec849..710a13e1 100644
--- a/src/activities/nine_men_morris/nine_men_morris.js
+++ b/src/activities/nine_men_morris/nine_men_morris.js
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 5
diff --git a/src/activities/nine_men_morris_2players/NineMenMorris2players.qml \
b/src/activities/nine_men_morris_2players/NineMenMorris2players.qml index \
                07e1e91a..60a8cb8f 100644
--- a/src/activities/nine_men_morris_2players/NineMenMorris2players.qml
+++ b/src/activities/nine_men_morris_2players/NineMenMorris2players.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../nine_men_morris"
diff --git a/src/activities/number_sequence/NumberSequence.qml \
b/src/activities/number_sequence/NumberSequence.qml index 276de2ef..355ebbd4 100644
--- a/src/activities/number_sequence/NumberSequence.qml
+++ b/src/activities/number_sequence/NumberSequence.qml
@@ -19,7 +19,7 @@
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "."
diff --git a/src/activities/number_sequence/number_sequence.js \
b/src/activities/number_sequence/number_sequence.js index 9002860a..9de4a54b 100644
--- a/src/activities/number_sequence/number_sequence.js
+++ b/src/activities/number_sequence/number_sequence.js
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 .pragma library
-.import QtQuick 2.2 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/numbers-odd-even/NumbersOddEven.qml \
b/src/activities/numbers-odd-even/NumbersOddEven.qml index 03b0d7fa..672b5d5b 100644
--- a/src/activities/numbers-odd-even/NumbersOddEven.qml
+++ b/src/activities/numbers-odd-even/NumbersOddEven.qml
@@ -16,7 +16,7 @@
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.0
+import QtQuick 2.6
 import "../planegame"
 
 Planegame {
diff --git a/src/activities/paintings/Paintings.qml \
b/src/activities/paintings/Paintings.qml index 38b615ca..ce60e347 100644
--- a/src/activities/paintings/Paintings.qml
+++ b/src/activities/paintings/Paintings.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../babymatch"
 
diff --git a/src/activities/paintings/resource/board/board10_0.qml \
b/src/activities/paintings/resource/board/board10_0.qml index d091e5be..6cbbdf58 \
                100644
--- a/src/activities/paintings/resource/board/board10_0.qml
+++ b/src/activities/paintings/resource/board/board10_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, Viewing Sunset over the \
                Ryogoku Bridge from the Ommaya Embankment - 1830")
diff --git a/src/activities/paintings/resource/board/board11_0.qml \
b/src/activities/paintings/resource/board/board11_0.qml index 1d9f923f..e74e49f2 \
                100644
--- a/src/activities/paintings/resource/board/board11_0.qml
+++ b/src/activities/paintings/resource/board/board11_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusa, Poppies - 1833-1834")
diff --git a/src/activities/paintings/resource/board/board12_0.qml \
b/src/activities/paintings/resource/board/board12_0.qml index 8a38ceb1..3eceb49c \
                100644
--- a/src/activities/paintings/resource/board/board12_0.qml
+++ b/src/activities/paintings/resource/board/board12_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, Kazusa sea Route - 1830.")
diff --git a/src/activities/paintings/resource/board/board13_0.qml \
b/src/activities/paintings/resource/board/board13_0.qml index ba39429e..b26328d0 \
                100644
--- a/src/activities/paintings/resource/board/board13_0.qml
+++ b/src/activities/paintings/resource/board/board13_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 4
diff --git a/src/activities/paintings/resource/board/board14_0.qml \
b/src/activities/paintings/resource/board/board14_0.qml index e35cbb4b..dc745600 \
                100644
--- a/src/activities/paintings/resource/board/board14_0.qml
+++ b/src/activities/paintings/resource/board/board14_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Leonardo da Vinci, Mona Lisa - 1503-19")
diff --git a/src/activities/paintings/resource/board/board15_0.qml \
b/src/activities/paintings/resource/board/board15_0.qml index 5e27de68..e875eedb \
                100644
--- a/src/activities/paintings/resource/board/board15_0.qml
+++ b/src/activities/paintings/resource/board/board15_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Giovanni Bellini, La Pala di Pesaro - \
                1475-85")
diff --git a/src/activities/paintings/resource/board/board16_0.qml \
b/src/activities/paintings/resource/board/board16_0.qml index 0b2efd37..a4946586 \
                100644
--- a/src/activities/paintings/resource/board/board16_0.qml
+++ b/src/activities/paintings/resource/board/board16_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Albrecht Dürer, Lion - 1494")
diff --git a/src/activities/paintings/resource/board/board17_0.qml \
b/src/activities/paintings/resource/board/board17_0.qml index edeb1c26..c84eb302 \
                100644
--- a/src/activities/paintings/resource/board/board17_0.qml
+++ b/src/activities/paintings/resource/board/board17_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Pieter Brugel, The Harvesters - 1565")
diff --git a/src/activities/paintings/resource/board/board18_0.qml \
b/src/activities/paintings/resource/board/board18_0.qml index 71ee389d..a3affbbc \
                100644
--- a/src/activities/paintings/resource/board/board18_0.qml
+++ b/src/activities/paintings/resource/board/board18_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property int numberOfSubLevel: 1
diff --git a/src/activities/paintings/resource/board/board19_0.qml \
b/src/activities/paintings/resource/board/board19_0.qml index a66d17a1..2cc76ee0 \
                100644
--- a/src/activities/paintings/resource/board/board19_0.qml
+++ b/src/activities/paintings/resource/board/board19_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Wassily Kandinsky, Composition VIII - 1923")
diff --git a/src/activities/paintings/resource/board/board1_0.qml \
b/src/activities/paintings/resource/board/board1_0.qml index 9df9e918..09b35c33 \
                100644
--- a/src/activities/paintings/resource/board/board1_0.qml
+++ b/src/activities/paintings/resource/board/board1_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr(" Pierre-Auguste Renoir, Le Moulin de la \
                Galette - 1876")
diff --git a/src/activities/paintings/resource/board/board20_0.qml \
b/src/activities/paintings/resource/board/board20_0.qml index b8dd0757..8f6d1240 \
                100644
--- a/src/activities/paintings/resource/board/board20_0.qml
+++ b/src/activities/paintings/resource/board/board20_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Bazille, The Ramparts at Aigues-Mortes - \
                1867")
diff --git a/src/activities/paintings/resource/board/board21_0.qml \
b/src/activities/paintings/resource/board/board21_0.qml index 8cbadb15..030c69a0 \
                100644
--- a/src/activities/paintings/resource/board/board21_0.qml
+++ b/src/activities/paintings/resource/board/board21_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Mary Cassatt, Summertime - 1894")
diff --git a/src/activities/paintings/resource/board/board22_0.qml \
b/src/activities/paintings/resource/board/board22_0.qml index 0ca560a1..8716f6bb \
                100644
--- a/src/activities/paintings/resource/board/board22_0.qml
+++ b/src/activities/paintings/resource/board/board22_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Vincent Van Gogh, Village Street in Auvers - \
                1890")
diff --git a/src/activities/paintings/resource/board/board2_0.qml \
b/src/activities/paintings/resource/board/board2_0.qml index ad1da1d0..90246c05 \
                100644
--- a/src/activities/paintings/resource/board/board2_0.qml
+++ b/src/activities/paintings/resource/board/board2_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Giuseppe Arcimboldo, Spring - 1573")
diff --git a/src/activities/paintings/resource/board/board3_0.qml \
b/src/activities/paintings/resource/board/board3_0.qml index bf4819ef..943e779b \
                100644
--- a/src/activities/paintings/resource/board/board3_0.qml
+++ b/src/activities/paintings/resource/board/board3_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Giuseppe Arcimboldo, The Librarian - 1566")
diff --git a/src/activities/paintings/resource/board/board4_0.qml \
b/src/activities/paintings/resource/board/board4_0.qml index 09717de4..84ab8854 \
                100644
--- a/src/activities/paintings/resource/board/board4_0.qml
+++ b/src/activities/paintings/resource/board/board4_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, Oiran and Kamuro")
diff --git a/src/activities/paintings/resource/board/board5_0.qml \
b/src/activities/paintings/resource/board/board5_0.qml index d2dde785..b6f66348 \
                100644
--- a/src/activities/paintings/resource/board/board5_0.qml
+++ b/src/activities/paintings/resource/board/board5_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, Woman holding a fan")
diff --git a/src/activities/paintings/resource/board/board6_0.qml \
b/src/activities/paintings/resource/board/board6_0.qml index 52415701..b52786aa \
                100644
--- a/src/activities/paintings/resource/board/board6_0.qml
+++ b/src/activities/paintings/resource/board/board6_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, Ejiri in Suruga Province - \
                1830-1833")
diff --git a/src/activities/paintings/resource/board/board7_0.qml \
b/src/activities/paintings/resource/board/board7_0.qml index 5db35ac2..5bbf3356 \
                100644
--- a/src/activities/paintings/resource/board/board7_0.qml
+++ b/src/activities/paintings/resource/board/board7_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Katsushika Hokusai, The Great Wave off \
                Kanagawa - 1823-1829")
diff --git a/src/activities/paintings/resource/board/board8_0.qml \
b/src/activities/paintings/resource/board/board8_0.qml index 7e10f390..0b837f1f \
                100644
--- a/src/activities/paintings/resource/board/board8_0.qml
+++ b/src/activities/paintings/resource/board/board8_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Utagawa Hiroshige, The Benzaiten Shrine at \
                Inokashira in Snow - 1760-70")
diff --git a/src/activities/paintings/resource/board/board9_0.qml \
b/src/activities/paintings/resource/board/board9_0.qml index dbfef397..7fcd6149 \
                100644
--- a/src/activities/paintings/resource/board/board9_0.qml
+++ b/src/activities/paintings/resource/board/board9_0.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
    property string instruction: qsTr("Utagawa Hiroshige, Horse-mackerel and Prawn - \
                1840")
diff --git a/src/activities/penalty/Penalty.qml b/src/activities/penalty/Penalty.qml
index 0dcff82d..85355644 100644
--- a/src/activities/penalty/Penalty.qml
+++ b/src/activities/penalty/Penalty.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/penalty/penalty.js b/src/activities/penalty/penalty.js
index 9f64eec2..e02b45e6 100644
--- a/src/activities/penalty/penalty.js
+++ b/src/activities/penalty/penalty.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 9
diff --git a/src/activities/photo_hunter/Observe.qml \
b/src/activities/photo_hunter/Observe.qml index 8b0ced72..9e62132f 100644
--- a/src/activities/photo_hunter/Observe.qml
+++ b/src/activities/photo_hunter/Observe.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/photo_hunter/PhotoHunter.qml \
b/src/activities/photo_hunter/PhotoHunter.qml index 65d2fc20..cec83b74 100644
--- a/src/activities/photo_hunter/PhotoHunter.qml
+++ b/src/activities/photo_hunter/PhotoHunter.qml
@@ -19,10 +19,10 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
-import QtQuick.Controls 1.2
-import QtQuick.Controls.Styles 1.2
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 
 import "../../core"
 import "photo_hunter.js" as Activity
diff --git a/src/activities/photo_hunter/photo_hunter.js \
b/src/activities/photo_hunter/photo_hunter.js index a28a4f30..966c04da 100644
--- a/src/activities/photo_hunter/photo_hunter.js
+++ b/src/activities/photo_hunter/photo_hunter.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var items
diff --git a/src/activities/planegame/Cloud.qml b/src/activities/planegame/Cloud.qml
index 213f7a25..8cb44bfa 100644
--- a/src/activities/planegame/Cloud.qml
+++ b/src/activities/planegame/Cloud.qml
@@ -18,7 +18,7 @@
  You should have received a copy of the GNU General Public License
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import "planegame.js" as Activity
 import "../../core"
 import GCompris 1.0
diff --git a/src/activities/planegame/Plane.qml b/src/activities/planegame/Plane.qml
index 55412438..091a08ce 100644
--- a/src/activities/planegame/Plane.qml
+++ b/src/activities/planegame/Plane.qml
@@ -18,7 +18,7 @@
  You should have received a copy of the GNU General Public License
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.2
+import QtQuick 2.6
 import "planegame.js" as Activity
 import GCompris 1.0
 
diff --git a/src/activities/planegame/Planegame.qml \
b/src/activities/planegame/Planegame.qml index 3a5b3d7f..a5e0315b 100644
--- a/src/activities/planegame/Planegame.qml
+++ b/src/activities/planegame/Planegame.qml
@@ -19,7 +19,7 @@
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/planegame/Sequence.qml \
b/src/activities/planegame/Sequence.qml index 78c71d47..3100697d 100644
--- a/src/activities/planegame/Sequence.qml
+++ b/src/activities/planegame/Sequence.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 Planegame {
 
diff --git a/src/activities/planegame/planegame.js \
b/src/activities/planegame/planegame.js index 6186633e..50289c1e 100644
--- a/src/activities/planegame/planegame.js
+++ b/src/activities/planegame/planegame.js
@@ -21,7 +21,7 @@
 */
 
 .pragma library
-.import QtQuick 2.2 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/readingh/Readingh.qml \
b/src/activities/readingh/Readingh.qml index a287472e..64051695 100644
--- a/src/activities/readingh/Readingh.qml
+++ b/src/activities/readingh/Readingh.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/readingh/readingh.js \
b/src/activities/readingh/readingh.js index d3735dbe..a953392c 100644
--- a/src/activities/readingh/readingh.js
+++ b/src/activities/readingh/readingh.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/activities/readingv/Readingv.qml \
b/src/activities/readingv/Readingv.qml index f4eb03b0..5b93a9e9 100644
--- a/src/activities/readingv/Readingv.qml
+++ b/src/activities/readingv/Readingv.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../readingh"
 
diff --git a/src/activities/redraw/Redraw.qml b/src/activities/redraw/Redraw.qml
index 49e0fbcb..4e64c311 100644
--- a/src/activities/redraw/Redraw.qml
+++ b/src/activities/redraw/Redraw.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 
diff --git a/src/activities/redraw/redraw.js b/src/activities/redraw/redraw.js
index 3795fdff..c1665e0a 100644
--- a/src/activities/redraw/redraw.js
+++ b/src/activities/redraw/redraw.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/redraw/resource/"
 var colorShortcut = {
diff --git a/src/activities/renewable_energy/Hydro.qml \
b/src/activities/renewable_energy/Hydro.qml index 301bcbe2..69606849 100644
--- a/src/activities/renewable_energy/Hydro.qml
+++ b/src/activities/renewable_energy/Hydro.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/renewable_energy/RenewableEnergy.qml \
b/src/activities/renewable_energy/RenewableEnergy.qml index 0d953ed3..0275c6ba 100644
--- a/src/activities/renewable_energy/RenewableEnergy.qml
+++ b/src/activities/renewable_energy/RenewableEnergy.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/renewable_energy/Solar.qml \
b/src/activities/renewable_energy/Solar.qml index 1ebff1ff..e9f75e44 100644
--- a/src/activities/renewable_energy/Solar.qml
+++ b/src/activities/renewable_energy/Solar.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/renewable_energy/Wind.qml \
b/src/activities/renewable_energy/Wind.qml index 99d33065..94a0f90a 100644
--- a/src/activities/renewable_energy/Wind.qml
+++ b/src/activities/renewable_energy/Wind.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/renewable_energy/WindTurbine.qml \
b/src/activities/renewable_energy/WindTurbine.qml index cf6b1dc0..1d5b9b00 100644
--- a/src/activities/renewable_energy/WindTurbine.qml
+++ b/src/activities/renewable_energy/WindTurbine.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 
diff --git a/src/activities/reversecount/ChooseDiceBar.qml \
b/src/activities/reversecount/ChooseDiceBar.qml index 79d19d9f..66e8ea38 100644
--- a/src/activities/reversecount/ChooseDiceBar.qml
+++ b/src/activities/reversecount/ChooseDiceBar.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "reversecount.js" as Activity
diff --git a/src/activities/reversecount/Reversecount.qml \
b/src/activities/reversecount/Reversecount.qml index c45e99ab..e6cf29fc 100644
--- a/src/activities/reversecount/Reversecount.qml
+++ b/src/activities/reversecount/Reversecount.qml
@@ -20,7 +20,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/reversecount/Tux.qml \
b/src/activities/reversecount/Tux.qml index 01509933..b42d7081 100644
--- a/src/activities/reversecount/Tux.qml
+++ b/src/activities/reversecount/Tux.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import "reversecount.js" as Activity
 import GCompris 1.0
 
diff --git a/src/activities/reversecount/reversecount.js \
b/src/activities/reversecount/reversecount.js index ac3b3b55..bb290df2 100644
--- a/src/activities/reversecount/reversecount.js
+++ b/src/activities/reversecount/reversecount.js
@@ -21,7 +21,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris //for ApplicationInfo
 
 var iceBlocksLayout = [[0, 0],[1, 0],[2, 0],[3, 0],[4, 0],
diff --git a/src/activities/roman_numerals/RomanNumerals.qml \
b/src/activities/roman_numerals/RomanNumerals.qml index 8c77c963..1e02ace0 100644
--- a/src/activities/roman_numerals/RomanNumerals.qml
+++ b/src/activities/roman_numerals/RomanNumerals.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/scalesboard/MasseArea.qml \
b/src/activities/scalesboard/MasseArea.qml index d8ab5341..3776c611 100644
--- a/src/activities/scalesboard/MasseArea.qml
+++ b/src/activities/scalesboard/MasseArea.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 
 import "../../core"
diff --git a/src/activities/scalesboard/Message.qml \
b/src/activities/scalesboard/Message.qml index 5cbec68c..9dabfa71 100644
--- a/src/activities/scalesboard/Message.qml
+++ b/src/activities/scalesboard/Message.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 
diff --git a/src/activities/scalesboard/Question.qml \
b/src/activities/scalesboard/Question.qml index 4beb3078..3eb971fa 100644
--- a/src/activities/scalesboard/Question.qml
+++ b/src/activities/scalesboard/Question.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 
diff --git a/src/activities/scalesboard/Scalesboard.qml \
b/src/activities/scalesboard/Scalesboard.qml index 6696c827..345e9e4f 100644
--- a/src/activities/scalesboard/Scalesboard.qml
+++ b/src/activities/scalesboard/Scalesboard.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/scalesboard/scalesboard.js \
b/src/activities/scalesboard/scalesboard.js index 7bf4effd..0705c029 100644
--- a/src/activities/scalesboard/scalesboard.js
+++ b/src/activities/scalesboard/scalesboard.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/scalesboard/resource/"
diff --git a/src/activities/share/BasketWidget.qml \
b/src/activities/share/BasketWidget.qml index 57c335c5..67e789eb 100644
--- a/src/activities/share/BasketWidget.qml
+++ b/src/activities/share/BasketWidget.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/share/CandyWidget.qml \
b/src/activities/share/CandyWidget.qml index 87e1c5e3..1948b5e8 100644
--- a/src/activities/share/CandyWidget.qml
+++ b/src/activities/share/CandyWidget.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 WidgetOption {
diff --git a/src/activities/share/ChildWidget.qml \
b/src/activities/share/ChildWidget.qml index 27a74ef4..d4459e09 100644
--- a/src/activities/share/ChildWidget.qml
+++ b/src/activities/share/ChildWidget.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 WidgetOption {
diff --git a/src/activities/share/DropChild.qml b/src/activities/share/DropChild.qml
index d00717d1..ffa782a4 100644
--- a/src/activities/share/DropChild.qml
+++ b/src/activities/share/DropChild.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/share/Share.qml b/src/activities/share/Share.qml
index 4570de79..9453a5d7 100644
--- a/src/activities/share/Share.qml
+++ b/src/activities/share/Share.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/share/WidgetOption.qml \
b/src/activities/share/WidgetOption.qml index 4ff2e6c9..ef56ec1c 100644
--- a/src/activities/share/WidgetOption.qml
+++ b/src/activities/share/WidgetOption.qml
@@ -16,7 +16,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/share/resource/board/board0.qml \
b/src/activities/share/resource/board/board0.qml index 9ff69167..5f52446d 100644
--- a/src/activities/share/resource/board/board0.qml
+++ b/src/activities/share/resource/board/board0.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*
     Numbers of kids are given in the left widget which eases kid work.
diff --git a/src/activities/share/resource/board/board1.qml \
b/src/activities/share/resource/board/board1.qml index dc238e4d..0fa31f30 100644
--- a/src/activities/share/resource/board/board1.qml
+++ b/src/activities/share/resource/board/board1.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*  
     Numbers of kids are given in the left widget which eases kid work.
diff --git a/src/activities/share/resource/board/board2.qml \
b/src/activities/share/resource/board/board2.qml index d1b082ed..8950e926 100644
--- a/src/activities/share/resource/board/board2.qml
+++ b/src/activities/share/resource/board/board2.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*  
     Numbers of kids are not given anymore in the left widget which forces kids to \
                understand this part.
diff --git a/src/activities/share/resource/board/board3.qml \
b/src/activities/share/resource/board/board3.qml index 67591b35..599b74b9 100644
--- a/src/activities/share/resource/board/board3.qml
+++ b/src/activities/share/resource/board/board3.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*
     Numbers of kids are not given anymore in the left widget.
diff --git a/src/activities/share/resource/board/board4.qml \
b/src/activities/share/resource/board/board4.qml index 9cd006f8..1aaf5600 100644
--- a/src/activities/share/resource/board/board4.qml
+++ b/src/activities/share/resource/board/board4.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*
     Numbers of kids are not given anymore in the left widget.
diff --git a/src/activities/share/resource/board/board5.qml \
b/src/activities/share/resource/board/board5.qml index fd85de0d..2a35e2ca 100644
--- a/src/activities/share/resource/board/board5.qml
+++ b/src/activities/share/resource/board/board5.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*
     Numbers of kids are not given anymore in the left widget.
diff --git a/src/activities/share/resource/board/board6.qml \
b/src/activities/share/resource/board/board6.qml index 9701b786..875f54e3 100644
--- a/src/activities/share/resource/board/board6.qml
+++ b/src/activities/share/resource/board/board6.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 /*
     Numbers of kids are not given anymore in the left widget.
diff --git a/src/activities/share/resource/board/board7.qml \
b/src/activities/share/resource/board/board7.qml index 68d9adc2..8690c348 100644
--- a/src/activities/share/resource/board/board7.qml
+++ b/src/activities/share/resource/board/board7.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property variant levels : [
diff --git a/src/activities/share/resource/board/board8.qml \
b/src/activities/share/resource/board/board8.qml index 468f6b6b..20c06be1 100644
--- a/src/activities/share/resource/board/board8.qml
+++ b/src/activities/share/resource/board/board8.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property variant levels : [
diff --git a/src/activities/share/resource/board/board9.qml \
b/src/activities/share/resource/board/board9.qml index 468f6b6b..20c06be1 100644
--- a/src/activities/share/resource/board/board9.qml
+++ b/src/activities/share/resource/board/board9.qml
@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 
 QtObject {
     property variant levels : [
diff --git a/src/activities/share/share.js b/src/activities/share/share.js
index 3e9e9666..b8346474 100644
--- a/src/activities/share/share.js
+++ b/src/activities/share/share.js
@@ -17,7 +17,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 10
diff --git a/src/activities/simplepaint/PaintItem.qml \
b/src/activities/simplepaint/PaintItem.qml index 888337cb..cf4f7005 100644
--- a/src/activities/simplepaint/PaintItem.qml
+++ b/src/activities/simplepaint/PaintItem.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import "simplepaint.js" as Activity
 import GCompris 1.0
 
diff --git a/src/activities/simplepaint/Simplepaint.qml \
b/src/activities/simplepaint/Simplepaint.qml index fdfa2fdf..bca2dd89 100644
--- a/src/activities/simplepaint/Simplepaint.qml
+++ b/src/activities/simplepaint/Simplepaint.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/simplepaint/simplepaint.js \
b/src/activities/simplepaint/simplepaint.js index 2ea1f20c..4c49192c 100644
--- a/src/activities/simplepaint/simplepaint.js
+++ b/src/activities/simplepaint/simplepaint.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var colorsSimple = [
             '#00FFFFFF',
diff --git a/src/activities/smallnumbers/Smallnumbers.qml \
b/src/activities/smallnumbers/Smallnumbers.qml index 3a93ad31..98f43372 100644
--- a/src/activities/smallnumbers/Smallnumbers.qml
+++ b/src/activities/smallnumbers/Smallnumbers.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/smallnumbers2/Smallnumbers2.qml \
b/src/activities/smallnumbers2/Smallnumbers2.qml index f2f798cd..b0a29f3d 100644
--- a/src/activities/smallnumbers2/Smallnumbers2.qml
+++ b/src/activities/smallnumbers2/Smallnumbers2.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/sudoku/Sudoku.qml b/src/activities/sudoku/Sudoku.qml
index aa4daebe..ee5626e9 100644
--- a/src/activities/sudoku/Sudoku.qml
+++ b/src/activities/sudoku/Sudoku.qml
@@ -19,7 +19,7 @@
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/sudoku/SudokuCase.qml \
b/src/activities/sudoku/SudokuCase.qml index a4c60895..4539c320 100644
--- a/src/activities/sudoku/SudokuCase.qml
+++ b/src/activities/sudoku/SudokuCase.qml
@@ -18,7 +18,7 @@
  You should have received a copy of the GNU General Public License
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
-import QtQuick 2.1
+import QtQuick 2.6
 import "sudoku.js" as Activity
 import GCompris 1.0
 
diff --git a/src/activities/sudoku/SudokuListWidget.qml \
b/src/activities/sudoku/SudokuListWidget.qml index a3fa8e16..b4adf178 100644
--- a/src/activities/sudoku/SudokuListWidget.qml
+++ b/src/activities/sudoku/SudokuListWidget.qml
@@ -19,7 +19,7 @@
  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import "sudoku.js" as Activity
 import "../../core"
diff --git a/src/activities/sudoku/sudoku.js b/src/activities/sudoku/sudoku.js
index 2b9b5817..667a284d 100644
--- a/src/activities/sudoku/sudoku.js
+++ b/src/activities/sudoku/sudoku.js
@@ -19,7 +19,7 @@
 */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 
diff --git a/src/activities/superbrain/SearchItem.qml \
b/src/activities/superbrain/SearchItem.qml index 7aefb107..8bc4e30e 100644
--- a/src/activities/superbrain/SearchItem.qml
+++ b/src/activities/superbrain/SearchItem.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 //import QtGraphicalEffects 1.0
 import "superbrain.js" as Activity
diff --git a/src/activities/superbrain/Superbrain.qml \
b/src/activities/superbrain/Superbrain.qml index a57bac5d..217f2735 100644
--- a/src/activities/superbrain/Superbrain.qml
+++ b/src/activities/superbrain/Superbrain.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "superbrain.js" as Activity
diff --git a/src/activities/superbrain/superbrain.js \
b/src/activities/superbrain/superbrain.js index 0d5fdafe..98f1518f 100644
--- a/src/activities/superbrain/superbrain.js
+++ b/src/activities/superbrain/superbrain.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 
 var currentLevel = 0;
diff --git a/src/activities/tangram/RotateMouseArea.qml \
b/src/activities/tangram/RotateMouseArea.qml index f95a01a3..ee592344 100644
--- a/src/activities/tangram/RotateMouseArea.qml
+++ b/src/activities/tangram/RotateMouseArea.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/tangram/Tangram.qml b/src/activities/tangram/Tangram.qml
index 6371421b..f3bf0207 100644
--- a/src/activities/tangram/Tangram.qml
+++ b/src/activities/tangram/Tangram.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import QtGraphicalEffects 1.0
 import GCompris 1.0
 
diff --git a/src/activities/tangram/tangram.js b/src/activities/tangram/tangram.js
index ee1e108b..6feb30c4 100644
--- a/src/activities/tangram/tangram.js
+++ b/src/activities/tangram/tangram.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/tangram/resource/"
 
diff --git a/src/activities/target/Arrow.qml b/src/activities/target/Arrow.qml
index 0a72d190..9b0c51a0 100644
--- a/src/activities/target/Arrow.qml
+++ b/src/activities/target/Arrow.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/target/Target.qml b/src/activities/target/Target.qml
index f96bde37..ec5b95da 100644
--- a/src/activities/target/Target.qml
+++ b/src/activities/target/Target.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/target/TargetItem.qml \
b/src/activities/target/TargetItem.qml index 45d1daa0..acdf591e 100644
--- a/src/activities/target/TargetItem.qml
+++ b/src/activities/target/TargetItem.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/target/target.js b/src/activities/target/target.js
index 55f60f3d..0019a416 100644
--- a/src/activities/target/target.js
+++ b/src/activities/target/target.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var url = "qrc:/gcompris/src/activities/target/resource/"
 
diff --git a/src/activities/template/Template.qml \
b/src/activities/template/Template.qml index ed6f0d27..bc5d987c 100644
--- a/src/activities/template/Template.qml
+++ b/src/activities/template/Template.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "template.js" as Activity
diff --git a/src/activities/template/template.js \
b/src/activities/template/template.js index d5f73ea8..a78e4b87 100644
--- a/src/activities/template/template.js
+++ b/src/activities/template/template.js
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 4
diff --git a/src/activities/tic_tac_toe/Piece.qml \
b/src/activities/tic_tac_toe/Piece.qml index 9dbd0fa8..9631412f 100644
--- a/src/activities/tic_tac_toe/Piece.qml
+++ b/src/activities/tic_tac_toe/Piece.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import "tic_tac_toe.js" as Activity
 
 import GCompris 1.0
diff --git a/src/activities/tic_tac_toe/TicTacToe.qml \
b/src/activities/tic_tac_toe/TicTacToe.qml index 4fb71007..e3e6f62e 100644
--- a/src/activities/tic_tac_toe/TicTacToe.qml
+++ b/src/activities/tic_tac_toe/TicTacToe.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "tic_tac_toe.js" as Activity
diff --git a/src/activities/tic_tac_toe/tic_tac_toe.js \
b/src/activities/tic_tac_toe/tic_tac_toe.js index 68cbeb4f..ce05308b 100644
--- a/src/activities/tic_tac_toe/tic_tac_toe.js
+++ b/src/activities/tic_tac_toe/tic_tac_toe.js
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 
 var currentLevel = 0
 var numberOfLevel = 6
diff --git a/src/activities/tic_tac_toe_2players/Tic_tac_toe_2players.qml \
b/src/activities/tic_tac_toe_2players/Tic_tac_toe_2players.qml index \
                86e8eca6..bd25632e 100644
--- a/src/activities/tic_tac_toe_2players/Tic_tac_toe_2players.qml
+++ b/src/activities/tic_tac_toe_2players/Tic_tac_toe_2players.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 
 import "../../core"
 import "../tic_tac_toe"
diff --git a/src/activities/traffic/Car.qml b/src/activities/traffic/Car.qml
index e0e71b6e..ac554b1e 100644
--- a/src/activities/traffic/Car.qml
+++ b/src/activities/traffic/Car.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
 import "../../core"
diff --git a/src/activities/traffic/Traffic.qml b/src/activities/traffic/Traffic.qml
index 02a87b0f..12b86b09 100644
--- a/src/activities/traffic/Traffic.qml
+++ b/src/activities/traffic/Traffic.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/traffic/traffic.js b/src/activities/traffic/traffic.js
index cbf938a2..3acc43ca 100644
--- a/src/activities/traffic/traffic.js
+++ b/src/activities/traffic/traffic.js
@@ -21,7 +21,7 @@
  */
 
 .pragma library
-.import QtQuick 2.0 as Quick
+.import QtQuick 2.6 as Quick
 .import GCompris 1.0 as GCompris
 .import QtQml 2.2 as Qml
 
diff --git a/src/activities/watercycle/Watercycle.qml \
b/src/activities/watercycle/Watercycle.qml index 30984038..3bfc4c19 100644
--- a/src/activities/watercycle/Watercycle.qml
+++ b/src/activities/watercycle/Watercycle.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/activities/wordsgame/Wordsgame.qml \
b/src/activities/wordsgame/Wordsgame.qml index 6d528492..a731e08f 100644
--- a/src/activities/wordsgame/Wordsgame.qml
+++ b/src/activities/wordsgame/Wordsgame.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 import "../../core"
diff --git a/src/core/ActivityBase.qml b/src/core/ActivityBase.qml
index 05b91f84..4e38ad42 100644
--- a/src/core/ActivityBase.qml
+++ b/src/core/ActivityBase.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/core/AnswerButton.qml b/src/core/AnswerButton.qml
index a7a2a151..dfc5fa85 100644
--- a/src/core/AnswerButton.qml
+++ b/src/core/AnswerButton.qml
@@ -22,7 +22,7 @@
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 Item {
diff --git a/src/core/Balloon.qml b/src/core/Balloon.qml
index 15b9a75c..96e93423 100644
--- a/src/core/Balloon.qml
+++ b/src/core/Balloon.qml
@@ -20,7 +20,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 Image {
diff --git a/src/core/Bar.qml b/src/core/Bar.qml
index 700fe28c..abc0c85f 100644
--- a/src/core/Bar.qml
+++ b/src/core/Bar.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 import "qrc:/gcompris/src/core/core.js" as Core
 
diff --git a/src/core/BarButton.qml b/src/core/BarButton.qml
index 0243bba0..c236ec61 100644
--- a/src/core/BarButton.qml
+++ b/src/core/BarButton.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/BarEnumContent.qml b/src/core/BarEnumContent.qml
index 93874abf..4c0015f6 100644
--- a/src/core/BarEnumContent.qml
+++ b/src/core/BarEnumContent.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 
 /**
  * QML container for defining all visible child elements of a Bar.
diff --git a/src/core/Bonus.qml b/src/core/Bonus.qml
index a4650f26..583a5ad6 100644
--- a/src/core/Bonus.qml
+++ b/src/core/Bonus.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 // Requires the global property in the scope:
diff --git a/src/core/BuyMeOverlay.qml b/src/core/BuyMeOverlay.qml
index 7b288e22..52b022ac 100644
--- a/src/core/BuyMeOverlay.qml
+++ b/src/core/BuyMeOverlay.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 Item {
diff --git a/src/core/BuyMeOverlayInapp.qml b/src/core/BuyMeOverlayInapp.qml
index 00028efb..2c8fa070 100644
--- a/src/core/BuyMeOverlayInapp.qml
+++ b/src/core/BuyMeOverlayInapp.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 Item {
diff --git a/src/core/ChangeLog.qml b/src/core/ChangeLog.qml
index b58d590f..d3a79a58 100644
--- a/src/core/ChangeLog.qml
+++ b/src/core/ChangeLog.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 /**
  * Container object with a list of all the changes by version.
diff --git a/src/core/DialogActivityConfig.qml b/src/core/DialogActivityConfig.qml
index f9f21860..692c5ff0 100644
--- a/src/core/DialogActivityConfig.qml
+++ b/src/core/DialogActivityConfig.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/DialogBackground.qml b/src/core/DialogBackground.qml
index b7235c2b..be066137 100644
--- a/src/core/DialogBackground.qml
+++ b/src/core/DialogBackground.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 /**
diff --git a/src/core/DialogHelp.qml b/src/core/DialogHelp.qml
index 7f02bc49..2183fa49 100644
--- a/src/core/DialogHelp.qml
+++ b/src/core/DialogHelp.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/Domino.qml b/src/core/Domino.qml
index a7653782..bbda55fc 100644
--- a/src/core/Domino.qml
+++ b/src/core/Domino.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 Flipable {
diff --git a/src/core/DominoNumber.qml b/src/core/DominoNumber.qml
index 864829d1..d2d7cb59 100644
--- a/src/core/DominoNumber.qml
+++ b/src/core/DominoNumber.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 Item {
diff --git a/src/core/DownloadDialog.qml b/src/core/DownloadDialog.qml
index 9e9612af..ca546cd7 100644
--- a/src/core/DownloadDialog.qml
+++ b/src/core/DownloadDialog.qml
@@ -18,10 +18,10 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
-import QtQuick.Layouts 1.1
-import QtQuick.Controls 1.0
+import QtQuick.Layouts 1.3
+import QtQuick.Controls 1.5
 import "qrc:/gcompris/src/core/core.js" as Core
 
 /**
diff --git a/src/core/GCAudio.qml b/src/core/GCAudio.qml
index 462fceb8..6020ac33 100644
--- a/src/core/GCAudio.qml
+++ b/src/core/GCAudio.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import QtMultimedia 5.0
 import GCompris 1.0
 
diff --git a/src/core/GCButtonCancel.qml b/src/core/GCButtonCancel.qml
index 45bb9e81..92dc0389 100644
--- a/src/core/GCButtonCancel.qml
+++ b/src/core/GCButtonCancel.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCButtonStyle.qml b/src/core/GCButtonStyle.qml
index c0aef0cf..84f6d193 100644
--- a/src/core/GCButtonStyle.qml
+++ b/src/core/GCButtonStyle.qml
@@ -18,9 +18,9 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCComboBox.qml b/src/core/GCComboBox.qml
index 5fae7443..ef776514 100644
--- a/src/core/GCComboBox.qml
+++ b/src/core/GCComboBox.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCDialog.qml b/src/core/GCDialog.qml
index 7b9cfcc8..5d458ac5 100644
--- a/src/core/GCDialog.qml
+++ b/src/core/GCDialog.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCDialogCheckBox.qml b/src/core/GCDialogCheckBox.qml
index 8ae9ee6b..2cb2550f 100644
--- a/src/core/GCDialogCheckBox.qml
+++ b/src/core/GCDialogCheckBox.qml
@@ -18,9 +18,9 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCSingletonFontLoader.qml b/src/core/GCSingletonFontLoader.qml
index 9a59c68a..378b6eb0 100644
--- a/src/core/GCSingletonFontLoader.qml
+++ b/src/core/GCSingletonFontLoader.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 
 //QTBUG-34418, singletons require explicit import to load qmldir file
diff --git a/src/core/GCSliderStyle.qml b/src/core/GCSliderStyle.qml
index 30c9a902..3b58fe8d 100644
--- a/src/core/GCSliderStyle.qml
+++ b/src/core/GCSliderStyle.qml
@@ -18,9 +18,9 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 import GCompris 1.0
 
 /**
diff --git a/src/core/GCText.qml b/src/core/GCText.qml
index 4142e79f..ee55eb02 100644
--- a/src/core/GCText.qml
+++ b/src/core/GCText.qml
@@ -19,7 +19,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 import "."
 
diff --git a/src/core/IntroMessage.qml b/src/core/IntroMessage.qml
index e38e2916..eac8ec42 100644
--- a/src/core/IntroMessage.qml
+++ b/src/core/IntroMessage.qml
@@ -20,7 +20,7 @@
 *   along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
-import QtQuick 2.1
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/JsonParser.qml b/src/core/JsonParser.qml
index d22e6ef7..38d7472f 100644
--- a/src/core/JsonParser.qml
+++ b/src/core/JsonParser.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/LanguageList.qml b/src/core/LanguageList.qml
index 36b28876..afc25f2f 100644
--- a/src/core/LanguageList.qml
+++ b/src/core/LanguageList.qml
@@ -19,7 +19,7 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.2
+import QtQuick 2.6
 
 /**
  * Container object with a list of all available translations.
diff --git a/src/core/Loading.qml b/src/core/Loading.qml
index 9ab9a1b7..ab2c1714 100644
--- a/src/core/Loading.qml
+++ b/src/core/Loading.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import GCompris 1.0
 
 /**
diff --git a/src/core/NumPad.qml b/src/core/NumPad.qml
index 95217e6e..705dec9c 100644
--- a/src/core/NumPad.qml
+++ b/src/core/NumPad.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 Item {
diff --git a/src/core/ParticleSystemStar.qml b/src/core/ParticleSystemStar.qml
index 9bdbaadf..d892f3d3 100644
--- a/src/core/ParticleSystemStar.qml
+++ b/src/core/ParticleSystemStar.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import QtQuick.Particles 2.0
 import GCompris 1.0
 
diff --git a/src/core/ParticleSystemStarLoader.qml \
b/src/core/ParticleSystemStarLoader.qml index 5d5d3802..189bd324 100644
--- a/src/core/ParticleSystemStarLoader.qml
+++ b/src/core/ParticleSystemStarLoader.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/ReadyButton.qml b/src/core/ReadyButton.qml
index 89aa69f3..f771460a 100644
--- a/src/core/ReadyButton.qml
+++ b/src/core/ReadyButton.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 Rectangle {
diff --git a/src/core/Score.qml b/src/core/Score.qml
index 22292211..844d4bb4 100644
--- a/src/core/Score.qml
+++ b/src/core/Score.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/VirtualKey.qml b/src/core/VirtualKey.qml
index cdf01909..f201c62b 100644
--- a/src/core/VirtualKey.qml
+++ b/src/core/VirtualKey.qml
@@ -18,11 +18,11 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 import QtGraphicalEffects 1.0
-import QtQuick.Controls 1.0
-import QtQuick.Controls.Styles 1.0
+import QtQuick.Controls 1.5
+import QtQuick.Controls.Styles 1.4
 
 Item {
     id: virtualKey
diff --git a/src/core/VirtualKeyboard.qml b/src/core/VirtualKeyboard.qml
index b4d5d451..aadf11ba 100644
--- a/src/core/VirtualKeyboard.qml
+++ b/src/core/VirtualKeyboard.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 
 /**
diff --git a/src/core/Wordlist.qml b/src/core/Wordlist.qml
index 69c914d0..2a96b876 100644
--- a/src/core/Wordlist.qml
+++ b/src/core/Wordlist.qml
@@ -18,7 +18,7 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.0
+import QtQuick 2.6
 import GCompris 1.0
 import "core.js" as Core
 
diff --git a/src/core/core.js b/src/core/core.js
index dbd26140..84855048 100644
--- a/src/core/core.js
+++ b/src/core/core.js
@@ -95,7 +95,7 @@ function showMessageDialog(parent, informativeText,
                            closeCallback) {
     //console.debug("Core.showMessageDialog: parent=" + parent + " backtrace="); \
console.trace();  var qmlStr =
-          'import QtQuick 2.0\n'
+          'import QtQuick 2.6\n'
         + 'GCDialog {\n'
         + '    message: "' + informativeText + '"\n'
         + '    button1Text: "' + button1Text + '"\n'
diff --git a/src/core/main.qml b/src/core/main.qml
index 31647df3..361530de 100644
--- a/src/core/main.qml
+++ b/src/core/main.qml
@@ -18,8 +18,8 @@
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
-import QtQuick 2.2
-import QtQuick.Controls 1.0
+import QtQuick 2.6
+import QtQuick.Controls 1.5
 import QtQuick.Window 2.1
 import QtQml 2.2
 


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