text: import * as React from 'react';
  import { StyleSheet, Text, View } from 'react-native';
  
  
  import Map from './screens/Map';
  //import HomeScreen from './screens/HomeScreen';
  //import AboutScreen from './screens/AboutScreen';
  
  //import { createStackNavigator, createAppContainer } from 'react-navigation';
  
  export default class App extends React.Component {
    render() {
      return <Map />;
    }
  }
  
  /*const AppNavigator = createStackNavigator({
    Home: {
      screen: HomeScreen,
    },
    About: {
      screen: AboutScreen,
    },
  });
  
  const AppContainer = createAppContainer(AppNavigator);
  
  const styles = StyleSheet.create({
    container: {
      flex: 1,
      backgroundColor: '#fff',
      alignItems: 'center',
      justifyContent: 'center',
    },
  }); */
  