调出开发者菜单:

ctl+m

启用在线加载:
启用热加载:
屏蔽黄屏警告:

import {YellowBox} from 'react-native';YellowBox.ignoreWarnings(['Warning: ...']);安装react开发工具:

npm install -g react-devtoolsreact-devtools启用元素检测:
调试: