This is a project developed to learn the MVVM model with Data Binding on Android The original ideia is NOT mine. The original source code can be found on the link below https://github.com/husaynhakeem/TicTacToe-MVVM The Medium Article of the author: https://medium.com/@husayn.hakeem/android-by-example-mvvm-data-binding-introduction-part-1-6a7a5f388bf7