import { StackNavigator } from "react-navigation" ; import LaunchScreen from "../Containers/LaunchScreen" ; import styles from "./Styles/NavigationStyles" ; const PrimaryNav = StackNavigator ( { LaunchScreen : { screen : LaunchScreen } , } , { headerMode : "none" , initialRouteName : "LaunchScreen" , navigationOptions : { headerStyle : styles . header , } , } ) ; export default PrimaryNav ;