android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.elect

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### 错误 ###

android 项目开发  
android.content.ActivityNotFoundException: Unable to find explicit activity class \{com.example.elect  
具体的

2022-08-27 23:07:11.526 22111-22111/com.example.electronicmall E/AndroidRuntime: FATAL EXCEPTION: main
        Process: com.example.electronicmall, PID: 22111
        android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.electronicmall/com.example.electronicmall.test.User.UserPasswordRetrievalCompletedActivity}; have you declared this activity in your AndroidManifest.xml?
            at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2118)
            at android.app.Instrumentation.execStartActivity(Instrumentation.java:1746)
            at android.app.Activity.startActivityForResult(Activity.java:5412)
            at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:574)
            at android.app.Activity.startActivityForResult(Activity.java:5337)
            at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:560)
            at android.app.Activity.startActivity(Activity.java:5819)
            at android.app.Activity.startActivity(Activity.java:5787)
            at com.example.electronicmall.test.User.UserResetPasswordActivity.openUserPasswordRetrievalCompletedActivity(UserResetPasswordActivity.java:65)
            at com.example.electronicmall.test.User.UserResetPasswordActivity.access$400(UserResetPasswordActivity.java:18)
            at com.example.electronicmall.test.User.UserResetPasswordActivity$3.onClick(UserResetPasswordActivity.java:53)
            at android.view.View.performClick(View.java:7317)
            at android.view.View.performClickInternal(View.java:7291)
            at android.view.View.access$3600(View.java:838)
            at android.view.View$PerformClick.run(View.java:28247)
            at android.os.Handler.handleCallback(Handler.java:900)
            at android.os.Handler.dispatchMessage(Handler.java:103)
            at android.os.Looper.loop(Looper.java:219)
            at android.app.ActivityThread.main(ActivityThread.java:8668)
            at java.lang.reflect.Method.invoke(Native Method)
            at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1109)

### 解决 ###

在AndroidManifest.xml文件的application中， 添加

### 原因 ###

由于程序无法自动识别Activity, 因此需要在AndroidManifest.xml文件的application中进行配置， 使程序可以识别该Activity

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