text: 
  import * as React from 'react';
  import {
    View,
    
  } from 'react-native';
  import HomeScreen from './screens/homeScreen';
  
  export default class App extends React.Component {
    render() {
      return (
        <View style={styles.container}>
          
         <AppContainer/>
  
        </View>
      );
    }
  }
  
  
  var AppNavigator = createSwitchNavigator({
    Homescreen: Homescreen
  });
  
  const AppContainer = createAppContainer(AppNavigator);
  