react-native相关问题集锦

报错：‘Could not parse the simulator list output’

解决：更新Xcode组件
参考：

报错：‘Agreeing to the Xcode/iOS license requires admin privileges’

解决：sudo xcodebuild -license协议相关
参考：

报错：xcrun: error: unable to find utility "instruments", not a developer tool or in PATH

解决：sudo xcode-select -s /Applications/Xcode.app/Contents/Developer/

通过npm安装包之后项目运行失败

解决： 这是npm@5.x的一个坑，降级npm版本到4.x即可

使用axios的request库在ios上面报网络错误

解决：使用https

浏览器调试报错Cannot set property 'volume' of null

解决： 摇一摇设备，打开enable remoteJs debug, 关闭然后重新打开调试界面

安装失败报错:

Failed to finalize session : INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.kindergarten.teacher.app signatures do not match the previously installed version; ignoring!

解决: 卸载手机上原本装的app

adb uninstall <package name>

参考：

1. https://stackoverflow.com/questions/39810470/hello-world-program-for-react-native-throws-could-not-parse-the-simulator-lis
2. https://blog.csdn.net/yabusai/article/details/37690783
3. https://www.jianshu.com/p/e6d8d57fe6a6
4. https://www.jianshu.com/p/e6d8d57fe6a6