public class MyActivity extends AppCompatActivity implements LifecycleOwner {
private LifecycleRegistry lifecycleRegistry;
private MyViewModel myViewModel;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
lifecycleRegistry = new LifecycleRegistry(this);
lifecycleRegistry.markState(Lifecycle.State.CREATED);
myViewModel = ViewModelProviders.of(this).get(MyViewModel.class);
getLifecycle().addObserver(new MyLifecycleObserver());
}
@NonNull
@Override
public Lifecycle getLifecycle() {
return lifecycleRegistry;
}
private class MyLifecycleObserver implements LifecycleObserver {
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
public void onResume() {
}
@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
public void onPause() {
}
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroy() {
}
}
}
