Cube Control: step 2.
Rename 'state' to 'screen'
Lots of changes:
1) new 'info' button (not working yet)2) make all dialogs modal; rework the way the Pattern Dialog appears.
Rename some classes.
Reinvent the Pattern Dialog (Part 2)
Reinvent the Pattern Dialog (Part 1)
Fixes for the fact that one could easily cheat - just pause the app while solving and come back to it, the time would reset to 0 and the object to unscrambled :(
Move to AndroidX, target API level 29.
More support for the 3x3x3 Solver: more of the actual 3x3x3 solver mechanism.