Caused by: java.lang.reflect.InvocationTargetException反射目标初始化异常
2021/8/14 20:35:57
本文主要是介绍Caused by: java.lang.reflect.InvocationTargetException反射目标初始化异常,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
首先来看异描述信息:
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.localhostservice, PID: 10788
java.lang.IllegalStateException: Could not execute method for android:onClick
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:414)
at android.view.View.performClick(View.java:7147)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1119)
at android.view.View.performClickInternal(View.java:7120)
at android.view.View.access$3500(View.java:804)
at android.view.View$PerformClick.run(View.java:27538)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7399)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:409)
at android.view.View.performClick(View.java:7147)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1119)
at android.view.View.performClickInternal(View.java:7120)
at android.view.View.access$3500(View.java:804)
at android.view.View$PerformClick.run(View.java:27538)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7399)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
Caused by: java.lang.IllegalArgumentException: Service Intent must be explicit: Intent { act=com.example.roveservice }
at android.app.ContextImpl.validateServiceIntent(ContextImpl.java:1559)
at android.app.ContextImpl.bindServiceCommon(ContextImpl.java:1727)
at android.app.ContextImpl.bindService(ContextImpl.java:1651)
at android.content.ContextWrapper.bindService(ContextWrapper.java:705)
at android.content.ContextWrapper.bindService(ContextWrapper.java:705)
at com.example.localhostservice.MainActivity.bingService(MainActivity.java:26)
at java.lang.reflect.Method.invoke(Native Method)
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:409)
at android.view.View.performClick(View.java:7147)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1119)
at android.view.View.performClickInternal(View.java:7120)
at android.view.View.access$3500(View.java:804)
at android.view.View$PerformClick.run(View.java:27538)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7399)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
相信你们可能和我一样都是一脸的懵逼,,说真我也不知道具体的是什么?出现这样的异常因为反射目标没有指定,对于API越高的,对于用户的安全要求和机制越来越严格,如果不知道某一反射的包名,机会出现异常。
下面说说解决的方案:只需要在代码中加入这一行代码:
intent.setPackage("指定的包名"); 例如:
public void bingService(View view){ Log.i(TAG,"触发了绑定服务的方法"); Intent intent = new Intent("com.example.roveservice"); //intent.setPackage("com.example.roveservice"); conn = new MyConn(); bindService(intent,conn,BIND_AUTO_CREATE); } 轻松解决此异常。
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