import { createAppContainer } from 'react-navigation'; import { createStackNavigator } from 'react-navigation-stack'; import Main from './pages/Main'; import Profile from './pages/Profile'; const Routes = createAppContainer( createStackNavigator({ Main: { screen: Main, navigationOptions: { title: 'DevRadar' } }, Profile: { screen: Profile, navigationOptions: { title: 'Perfil no GitHub' } } }, { defaultNavigationOptions: { headerStyle: { backgroundColor: '#7D40E7', }, headerBackTitleVisible: false, headerTintColor: '#FFF' } }) ); export default Routes;