java.lang.IllegalStateException: Could not execute method for android:onClick
16lz
2021-01-23
心血来潮，想写个app，之前的课没听，还得从头学起，血亏。。
错误截图
错误信息
E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.imoocmusicdemo, PID: 14631 java.lang.IllegalStateException: Could not execute method for android:onClick at android.view.View$DeclaredOnClickListener.onClick(View.java:5634) at android.view.View.performClick(View.java:6597) at android.view.View.performClickInternal(View.java:6574) at android.view.View.access$3100(View.java:778) at android.view.View$PerformClick.run(View.java:25885) at android.os.Handler.handleCallback(Handler.java:873) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:6669) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Method.invoke(Native Method) at android.view.View$DeclaredOnClickListener.onClick(View.java:5629) at android.view.View.performClick(View.java:6597) at android.view.View.performClickInternal(View.java:6574) at android.view.View.access$3100(View.java:778) at android.view.View$PerformClick.run(View.java:25885) at android.os.Handler.handleCallback(Handler.java:873) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:6669) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.imoocmusicdemo/com.example.imoocmusicdemo.activitys.RegisterActivity}; have you declared this activity in your AndroidManifest.xml? at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2005) at android.app.Instrumentation.execStartActivity(Instrumentation.java:1673) at android.app.Activity.startActivityForResult(Activity.java:4586) at android.app.Activity.startActivityForResult(Activity.java:4544) at android.app.Activity.startActivity(Activity.java:4905) at android.app.Activity.startActivity(Activity.java:4873) at com.example.imoocmusicdemo.activitys.LoginActivity.onRegisterClick(LoginActivity.java:40) at java.lang.reflect.Method.invoke(Native Method) at android.view.View$DeclaredOnClickListener.onClick(View.java:5629) at android.view.View.performClick(View.java:6597) at android.view.View.performClickInternal(View.java:6574) at android.view.View.access$3100(View.java:778) at android.view.View$PerformClick.run(View.java:25885) at android.os.Handler.handleCallback(Handler.java:873) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:6669) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) I/Process: Sending signal. PID: 14631 SIG: 9Application terminated.错误原因
Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.imoocmusicdemo/com.example.imoocmusicdemo.activitys.RegisterActivity}; have you declared this activity in your AndroidManifest.xml?解决方法：AndroidManifest.xml添加RegisterActivity
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