Here are the dependencies that you need to copy into your build.gradle:
implementation "android.arch.lifecycle:extensions:1.1.1"
implementation "android.arch.lifecycle:viewmodel:1.1.1"

Hey everyone, welcome back to the third video in the Android Sudoku Tutorial series! In this video, we start making our backend for our game, learning how to separate view logic from business logic by using ViewModels and LiveData, some of the Android Architecture Components. I hope you enjoy!

Check out the code on GitHub: https://github.com/pj6444/sudoku-android