BroadcastReceiver多次unregisterReceiver 导致 Receiver not registered问题

来源：互联网发布：c excel重复数据删除编辑：程序博客网时间：2024/06/03 17:14

转载请注明出处：http://blog.csdn.net/guiping_ding/article/details/50997230

注销广播接受器的时候出现该错误:

java.lang.IllegalArgumentException: Receiver not registered: com.xxx.popuwindow.member.MemberBaseCard$1@41624e70    at android.app.LoadedApk.forgetReceiverDispatcher(LoadedApk.java:657)    at android.app.ContextImpl.unregisterReceiver(ContextImpl.java:1362)    at android.content.ContextWrapper.unregisterReceiver(ContextWrapper.java:445)    at com.xxx.popuwindow.member.MemberBaseCard.stopSendCommand(MemberBaseCard.java:88)    at com.xxx.popuwindow.member.MemberBaseCard.dismiss(MemberBaseCard.java:95)    at com.xxx.popuwindow.RightPopWindowDialog$1.onDismiss(RightPopWindowDialog.java:52)    at android.widget.PopupWindow.dismiss(PopupWindow.java:1278)    at com.xxx.popuwindow.RightPopWindowDialog.dismiss(RightPopWindowDialog.java:126)    at com.xxx.popuwindow.member.MemberBaseCard.dismiss(MemberBaseCard.java:96)    at com.xxx.popuwindow.member.MemberPayPop.onClick(MemberPayPop.java:245)    at android.view.View.performClick(View.java:4204)    at android.view.View$PerformClick.run(View.java:17355)    at android.os.Handler.handleCallback(Handler.java:725)    at android.os.Handler.dispatchMessage(Handler.java:92)    at android.os.Looper.loop(Looper.java:137)    at android.app.ActivityThread.main(ActivityThread.java:5041)    at java.lang.reflect.Method.invokeNative(Native Method)    at java.lang.reflect.Method.invoke(Method.java:511)    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)    at dalvik.system.NativeStart.main(Native Method)

出现这个错误的原因就是该广播接受器已被注销,导致找不到该广播接收器.解决办法就是加一个Tag标识.详细见代码:

private boolean mReceiverTag = false;   //广播接受者标识//代码中动态注册广播private void registerReceiver() {        if (!mReceiverTag){     //在注册广播接受者的时候 判断是否已被注册,避免重复多次注册广播            IntentFilter mFileter = new IntentFilter();            mReceiverTag = true;    //标识值 赋值为 true 表示广播已被注册            mFileter.addAction("com.android.scan.RECEIVED_CODE_FROM_NFC");            this.registerReceiver(mReceiver, mFileter);        }}//注销广播private void unregisterReceiver() {        if (mReceiverTag) {   //判断广播是否注册                mReceiverTag = false;   //Tag值 赋值为false 表示该广播已被注销                this.unregisterReceiver(mReceiver);   //注销广播        }}

代码中动态注册广播,记得在界面关闭的时候注销广播.不然会有多个广播接受者存在.记得代码中
registerReceiver 和 unregisterReceiver 成对存在.

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