[X] 1. Expanded [X] 2. Wrap [X] 3. ValueListenableBuilder [X] 4. AnimatedContainer [X] 5. Opacity [X] 7. ClipPath [X] 8. PageView [X] 9. Directionality [X] 10. TextField [X] 12. FocusTraversalGroup [X] 13. FocusScope [X] 14. AboutDialog [X] 15. Row & Column
[ ] Flexible [ ] ElevatedButton [ ] OutlinedButton [ ] TextButton [ ] IconButton [ ] ToggleButton [ ] BackdropFilter
[ ] 6. Bloc [X] 11. MVC