124 lines
3.2 KiB
JavaScript
124 lines
3.2 KiB
JavaScript
/**
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* Sample React Native App
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* https://github.com/facebook/react-native
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*/
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'use strict';
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import React, {
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AppRegistry,
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Component,
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StyleSheet,
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Platform,
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Text,
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View,
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Alert,
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TouchableOpacity,
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Linking,
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Image,
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} from 'react-native';
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import {
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isFirstTime,
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isRolledBack,
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packageVersion,
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currentVersion,
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checkUpdate,
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downloadUpdate,
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switchVersion,
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switchVersionLater,
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markSuccess,
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} from 'react-native-update';
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import _updateConfig from '../update.json';
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const {appKey} = _updateConfig[Platform.OS];
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class MyProject extends Component {
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componentWillMount(){
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if (isRolledBack) {
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Alert.alert('提示', '刚刚更新失败了,版本被回滚.');
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} else if (isFirstTime) {
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Alert.alert('提示', '这是当前版本第一次启动,是否要模拟启动失败?将回滚到上一版本', [
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{text: '是', onPress: ()=>{throw new Error('模拟启动失败,请重启应用')}},
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{text: '否', onPress: ()=>{markSuccess()}},
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]);
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};
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}
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doUpdate = info => {
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downloadUpdate(info).then(hash => {
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Alert.alert('提示', '下载完毕,是否重启应用?', [
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{text: '是', onPress: ()=>{switchVersion(hash);}},
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{text: '否',},
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{text: '下次启动时', onPress: ()=>{switchVersionLater(hash);}},
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]);
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}).catch(err => {
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Alert.alert('提示', '更新失败.');
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});
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};
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checkUpdate = () => {
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checkUpdate(appKey).then(info => {
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if (info.expired) {
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Alert.alert('提示', '您的应用版本已更新,请前往应用商店下载新的版本', [
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{text: '确定', onPress: ()=>{info.downloadUrl && Linking.openURL(info.downloadUrl)}},
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]);
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} else if (info.upToDate) {
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Alert.alert('提示', '您的应用版本已是最新.');
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} else {
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Alert.alert('提示', '检查到新的版本'+info.name+',是否下载?\n'+ info.description, [
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{text: '是', onPress: ()=>{this.doUpdate(info)}},
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{text: '否',},
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]);
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}
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}).catch(err => {
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Alert.alert('提示', '检查更新失败.');
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});
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};
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render() {
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return (
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<View style={styles.container}>
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<Text style={styles.welcome}>
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欢迎使用热更新服务
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</Text>
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<Image
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resizeMode = {'contain'}
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source = {require('./assets/shoucang.png')}
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style = {styles.image}
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/>
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<Text style={styles.instructions}>
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这是版本一 {'\n'}
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当前包版本号: {packageVersion}{'\n'}
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当前版本Hash: {currentVersion||'(空)'}{'\n'}
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</Text>
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<TouchableOpacity onPress={this.checkUpdate}>
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<Text style={styles.instructions}>
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点击这里检查更新
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</Text>
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</TouchableOpacity>
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</View>
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);
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}
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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justifyContent: 'center',
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alignItems: 'center',
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backgroundColor: '#F5FCFF',
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},
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welcome: {
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fontSize: 20,
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textAlign: 'center',
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margin: 10,
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},
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instructions: {
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textAlign: 'center',
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color: '#333333',
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marginBottom: 5,
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},
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image : {
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},
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});
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AppRegistry.registerComponent('testHotUpdate', () => MyProject);
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