src/modules/navigation/NavigationView.js
// NavigationHeader.title accepts a prop textStyle
NavigationHeader.title accepts a prop textStyle
NavigationHeader . title accepts a prop textStyle
renderHeader(sceneProps) {
    return (
      <NavigationHeader
        {...sceneProps}
        onNavigateBack={this.props.onNavigateBack}
        renderTitleComponent={() => {
          return (
            <NavigationHeader.Title>
              {sceneProps.scene.route.title}
            </NavigationHeader.Title>
          );
        }}
      />
    );
  }
renderHeader ( sceneProps ) { return ( < NavigationHeader { ... sceneProps } onNavigateBack = { this . props . onNavigateBack } renderTitleComponent = { ( ) => { return ( < NavigationHeader . Title > { sceneProps . scene . route . title } < / NavigationHeader . Title > ) ; } } / > ) ; }
NavigationHeader.title accepts a prop textStyle
NavigationHeader . title accepts a prop textStyle