Using Activity ktx with viewmodel and java

Question

I have a piece of code where i need to instantiate my viewmodel using the activity library , i tried to do so in java but nothing seems to be working for me

• This is the code in kotlin and i want to convert it to java

   mainViewModel : MainViewModel by ViewModels()

Answer 1

In Java, use ViewModelProvider in onCreate method:

private MainViewModel mainViewModel;
 
public void onCreate(Bundle savedInstanceState) {
    mainViewModel  = new ViewModelProvider(this).get(MainViewModel.class);
}

https://developer.android.com/topic/libraries/architecture/viewmodel#implement