js__react_native__fb/App01Hello.js

import React from "react";
import {
  Text,
  View,
} from 'react-native';

import styles from './styles';

export default class App extends React.Component {
  render() {
    return (
      <View style={styles.container}>
        <Text>Open up App.js to start working on your app!</Text>
        <Text>Changes you make will automatically reload.</Text>
        <Text>Shake your phone to open the developer menu.</Text>
      </View>
    );
  }
}