我的项目是一个新的空反应本机项目。
构建时一切都很酷,但在 Android 设备上我每次都会遇到红色的“错误 500”屏幕。
我试过这段代码:
yarn remove babel-preset-react-native
yarn add [email protected] /cdn-cgi/l/email-protection
到目前为止没有变化!
我尝试将 React Native 降级到 55.4 - 没有变化!
清洁捕获物 - 没有变化!
顺便说一句,这是我的 App.js:
import React, {Component} from 'react';
import {Platform, StyleSheet, Text, View} from 'react-native';
const instructions = Platform.select({
ios: 'Press Cmd+R to reload,\n' + 'Cmd+D or shake for dev menu',
android:
'Double tap R on your keyboard to reload,\n' +
'Shake or press menu button for dev menu',
});
type Props = {};
export default class App extends Component<Props> {
render() {
return (
<View style={styles.container}>
<Text style={styles.welcome}>Welcome to React Native!</Text>
<Text style={styles.instructions}>To get started, edit App.js</Text>
<Text style={styles.instructions}>{instructions}</Text>
</View>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#F5FCFF',
},
welcome: {
fontSize: 20,
textAlign: 'center',
margin: 10,
},
instructions: {
textAlign: 'center',
color: '#333333',
marginBottom: 5,
},
});
索引.js:
import {AppRegistry} from 'react-native';
import App from './App';
import {name as appName} from './app.json';
AppRegistry.registerComponent(appName, () => App);
这是我的 package.json:
{
"name": "app",
"version": "0.0.1",
"private": true,
"scripts": {
"start": "node node_modules/react-native/local-cli/cli.js start",
"test": "jest"
},
"dependencies": {
"react": "16.4.1",
"react-native": "0.56.0"
},
"devDependencies": {
"babel-jest": "23.4.2",
"babel-preset-react-native": "5",
"jest": "23.5.0",
"react-test-renderer": "16.4.1"
},
"jest": {
"preset": "react-native"
}
}
Windows 10 64 位
网络风暴