新建项目

npx react-native init app

安装依赖

包括以下内容：

• react navigation基础模块
• stack
• bottom-tabs
• 刘海屏安全区域
• 对手势的支持
• 图标库
• storage 存储

cd app

yarn add @react-navigation/native react-native-screens react-native-safe-area-context @react-navigation/native-stack @react-navigation/bottom-tabs react-native-vector-icons @react-native-async-storage/async-storage

修改index.js

import { AppRegistry } from 'react-native';
import App from './App';
...