React-native错误集锦

Z时代
2024-01-10
分类：综合

react

1.react-native run-android报错

Could not install the app on the device, read the error above for details.

Make sure you have an Android emulator running or a device connected and have

set up your Android development environment:

https://facebook.github.io/react-native/docs/android-setup.html

1.确认模拟器是否启动

2.模拟器状态是否正常

3.真机是否连接好

下图为模拟器正常状态

下图就是错误状态

2.SyntaxError /user/Destop/xxxx.js:Unexpected token(80:8)

报错信息

报错代码:

原因:多了一个 > 号,这种报错一般需要自己检查一下代码,一般可能是多了一个 : } >

3.CFBundle identifier xxnot found

网络不好的情况下,rncash包没有下载好,建议多试几次

4.application has not been registered

1.:MainActivity.java检查的项目名称与index.android.js文件里的项目名称是否相同

2:是否同时开启了两个项目

5.：unable to load script from assets ‘index.android bundle’ ,make sure your bundle is packaged correctly or youu’re runing a packager server

错误如下图:

修改方法:

在终端进入到当前文件目录下,输入:
1.mkdir android/app/src/main/assets

(如果提示:mkdir: android/app/src/main/assets: File exists可直接执行第二步)
2.react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res