Navbar appear 2 times when use databinding
问题 Hi I am trying use the data-bitindng with the navbar for do it I have the next code: MapActivity.java public class MapActivity extends BaseActivity implements NavigationView.OnNavigationItemSelectedListener, OnMapReadyCallback, GoogleMap.OnMarkerClickListener{ private static final float INITIAL_MAP_ZOOM_LEVEL = 17; private static final int INITIAL_REQUEST_CODE = 1; private GoogleMap mMap; private CameraUpdate cameraUpdate = null; private MapViewModel mapViewModel; @Override protected void