React Native之02 Hello World 2019

根据悠久的传统，写一个helllo world

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

export default class HelloWorldApp extends Component {
  render() {
    return (
        <View style={{ flex: 1, justifyContent: "center", alignItems: "center" }}>
          <Text>Hello, world!</Text>
        </View>
    );
  }
}

知识点：1.es6语法

参考书籍：1.阮一峰老师的书 http://es6.ruanyifeng.com