message: Removed redundant default height
diff: @@ -6,7 +6,7 @@ import SearchBar from './SearchBar';
  import TitleBar from './TitleBar';
  import CollapsingBar from './CollapsingBar';
  -var NavigationBar = ({hidden, logo, navigationImage, overflowImage, height = 56, children, style, ...otherProps}) => {
  +var NavigationBar = ({hidden, logo, navigationImage, overflowImage, height, children, style, ...otherProps}) => {
  if (Platform.OS === 'android' && hidden)
  return null
  var constants = (UIManager as any).getViewManagerConfig('NVNavigationBar').Constants;
  