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react native 断点调试


android studio avd 模拟器

expo 脚手架创建的项目

react native 断点调试_javascript

 

react native 断点调试_react.js_02

点击debug remote js后自动打开浏览器:

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App.js:

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

export default function App() {
const [username, setUsername] = useState('admin')

const handleInput = (e) => {
console.log(e)
setUsername(e)
}

return <View>
<Text>Hello</Text>
<TextInput value={username} onChangeText={handleInput}></TextInput>
<Text>{username}</Text>
</View>
}

iphone真机也可以打断点调试:

摇动手机,弹出开发菜单,选择“Debug Remote JS”。

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