ProfileActivity-change

public abstract class BindingActivity extends AppCompatActivity {
   …
 
   @Override
   protected void onStart() {
      super.onStart();
      viewModel.onStart();
   }
 
   @Override
   protected void onActivityResult(int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
      viewModel.onActivityResult(requestCode, resultCode, data);
   }
 
   @Override
   protected void onResume() {
      super.onResume();
      viewModel.onResume();
   }
 
   @Override
   public void onBackPressed() {
      if (!viewModel.onBackKeyPress()) {
          super.onBackPressed();
      }
   }
   //….other methods
}
 
public abstract class ActivityViewModel extends BaseObservable {
   …
 
   public void onStart() {
      //Override me!
   }
 
   public void onActivityResult(int requestCode, int resultCode, Intent data) {
      //Override me!
   }
 
   public void onResume() {
      //Override me!
   }
 
   public void onBackPressed() {
      //Override me!
   }
   //….other methods
}