尝试启动任何应用程序时崩溃 [英] Crash while trying to launch any application

问题描述

Android Studio 不启动任何应用程序(即使是来自 Studio 模板的新应用程序)并且失败并显示相同的错误:

Android studio doesn't launch any application (even new from the studio templates) and fails with the same error:

09/29 13:54:36: Launching app
$ adb push /Users/user/AndroidStudioProjects/MyApplication/app/build/outputs/apk/app-debug.apk /data/local/tmp/com.example.user.myapplication
$ adb shell pm install -r "/data/local/tmp/com.example.user.myapplication"
Aborted 


$ adb shell am start -n "com.example.user.myapplication/com.example.user.myapplication.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Error while executing: am start -n "com.example.user.myapplication/com.example.user.myapplication.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.example.user.myapplication/.MainActivity }
Error type 3
Error: Activity class {com.example.user.myapplication/com.example.user.myapplication.MainActivity} does not exist.

Error while Launching activity

我尝试清理/重建，甚至重新安装工作室，但没有帮助.我不明白发生了什么，请帮忙

I tried clean/rebuild, even reinstall studio, but it didn't help. I can't understand what's happening, please help

推荐答案

这正在发生....

Error: Activity class     {com.example.user.myapplication/com.example.user.myapplication.MainActivity} does not exist.

您的 MainActivity 类不存在或已修复为您的启动器活动.检查您的清单文件.在您的清单文件中，您已将 MainActivity 声明为您的启动器干杯

Your MainActivity class does not exist or something which has been fixed as your launcher activity. Check your manifest file. In your manifest file you have delcared MainActivity as your launcher Cheers

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