public class ExampleActivity extends Activity implements WatchFaceLifecycle.Listener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my_layout);
        WatchFaceLifecycle.attach(this, savedInstanceState, this);
    }
    
    @Override
    public void onScreenDim() {

    }

    @Override
    public void onScreenAwake() {

    }

    @Override
    public void onWatchFaceRemoved() {

    }

    @Override
    public void onScreenOff() {

    }
}