Correct height of the tutorial dialog.
Up version to 1.8.6
Add Mirror 2x2 tutorials.
Increase NODE_RATIO, i.e. the height/width ratio of the DistortedNode behind the object (before with 1.4, if one scrambled the Mirror Cube and made it the largest possible, corners were cut off form the top and bottom)
Mirror Cubes: re-enable meshes; update meshes.
Mirror Cubes: make them still more off-center.
Mirror Cubes: make them a bit more off-center.
Mirror Cubes: add meshes and icons.
Add Mirror Cube 2x2 and 3x3.
Make object scrambling abstract (well, almost - with exception of Square-1 - this theoretically could also be done the generic way, but this would require almost 20000 'ScrambleStates')
Some more debugs for the case when the UI is blocked.
safety!
Improvements for the PopupWindows: now they work:
1) on Android 11, everywhere2) on Android 10,9,8.1,8.0 - in case of fullscreen and split-screen modes; pop-up mode still does not work.3) on Android <= 7.0 : there should be no pop-up mode, so they should be working in all cases
Defer initialization of statics in RubikNetwork till we actually need them.
Remove statics from the TwistyObject class.
Fix play screen popups in case the whole app is in 'multi-window' or 'pop-up window' state.
Simplify Play Screen popups.
Make the 'Play' popup always fit within the window height.
Remove statics from the Ultimate class.
Remove statics from the Square classes.
Remove statics from the Skewb class.
Remove statics from the Rex class.
Remove statics from the Redi class.
Remove statics from the Pyraminx class.
Remove statics from the Minx classes.
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