React Native 开发之 (04) 例子讲解

Posted 2020-08-03 王信平

 

index.ios.js

import React, { Component } from ‘react‘;
import {
  AppRegistry,
  StyleSheet,
  Text,
  View
} from ‘react-native‘;

class Test extends Component {
  render() {
    return (
      <View style={styles.container}>
        <Text style={styles.welcome}>
           Hello React Native123.
        </Text>
        <Text style={styles.instructions}>
          To get started, edit index.ios.js
        </Text>
        <Text style={styles.instructions}>
          Press Cmd+R to reload,{‘\n‘}
          Cmd+D or shake for dev menu
        </Text>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: ‘center‘,
    alignItems: ‘center‘,
    backgroundColor: ‘#F5FCFF‘,
  },
  welcome: {
    fontSize: 20,
    textAlign: ‘center‘,
    margin: 10 ,
    color: ‘red‘
  },
  instructions: {
    textAlign: ‘center‘,
    color: ‘#333333‘,
    marginBottom: 5,
  },
});

AppRegistry.registerComponent(‘Test‘, () => Test);