Android 接收器未注册异常错误?
在我的开发者控制台中,人们不断报告一个错误,我无法在任何手机上重现。一个人留言说,当他们试图打开我的电池服务设置屏幕时,他收到了。从错误中可以看出,它表示接收器未注册Android 接收器未注册异常错误?,android,broadcastreceiver,illegalargumentexception,Android,Broadcastreceiver,Illegalargumentexception,在我的开发者控制台中,人们不断报告一个错误,我无法在任何手机上重现。一个人留言说,当他们试图打开我的电池服务设置屏幕时,他收到了。从错误中可以看出,它表示接收器未注册 java.lang.RuntimeException: Unable to stop service .BatteryService@4616d688: java.lang.IllegalArgumentException: Receiver not registered: com.app.notifyme.BatterySer
java.lang.RuntimeException: Unable to stop service .BatteryService@4616d688: java.lang.IllegalArgumentException: Receiver not registered: com.app.notifyme.BatteryService$BatteryNotifyReceiver@4616d9d0
at android.app.ActivityThread.handleStopService(ActivityThread.java:3164)
at android.app.ActivityThread.access$3900(ActivityThread.java:129)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2173)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:143)
at android.app.ActivityThread.main(ActivityThread.java:4701)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: Receiver not registered:com..BatteryService$BatteryNotifyReceiver@4616d9d0
at android.app.ActivityThread$PackageInfo.forgetReceiverDispatcher(ActivityThread.java:805)
at android.app.ContextImpl.unregisterReceiver(ContextImpl.java:859)
at android.content.ContextWrapper.unregisterReceiver(ContextWrapper.java:331)
at com.app.notifyme.BatteryService.onDestroy(BatteryService.java:128)
at android.app.ActivityThread.handleStopService(ActivityThread.java:3150)
我在onCreate中注册
@Override
public void onCreate(){
super.onCreate();
SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
filter.addAction(Intent.ACTION_POWER_CONNECTED);
filter.addAction(Intent.ACTION_POWER_DISCONNECTED);
registerReceiver(batteryNotifyReceiver,filter);
pref.registerOnSharedPreferenceChangeListener(this);
}
在onDestroy中注销,并使用首选项侦听器注销
@Override
public void onDestroy(){
super.onDestroy();
unregisterReceiver(batteryNotifyReceiver);
}
这是我的接线员
private final class BatteryNotifyReceiver extends BroadcastReceiver {
boolean connected;
@Override
public void onReceive(Context context, Intent intent) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
SharedPreferences.Editor edit = prefs.edit();
updatePreferences(prefs);
level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
if(intent.getAction().equals(Intent.ACTION_POWER_CONNECTED)){
connected = true;
}else if(intent.getAction().equals(Intent.ACTION_POWER_DISCONNECTED)){
connected = false;
}else if(intent.getAction().equals(Intent.ACTION_BATTERY_CHANGED)){
if(level < lastLevel){
if(level > 40){
edit.putBoolean("first", false).commit();
edit.putBoolean("second", false).commit();
edit.putBoolean("third", false).commit();
edit.putBoolean("fourth",false).commit();
edit.putBoolean("fifth", false).commit();
}
if(level == 40){
if(!first){
notification(context,battColor,battBlink,battVib,battSound);
edit.putBoolean("first", true).commit();
}
}else if(level == 30){
if(!second){
notification(context,battColor,battBlink,battVib,battSound);
edit.putBoolean("second", true).commit();
}
}else if(level == 20){
if(!third){
notification(context,battColor,battBlink,battVib,battSound);
edit.putBoolean("third", true).commit();
}
}else if(level == 15){
if(!fourth){
notification(context,battColor,battBlink,battVib,battSound);
edit.putBoolean("fourth", true).commit();
}
}else if(level == 5){
if(!fifth){
notification(context,battColor,battBlink,battVib,battSound);
edit.putBoolean("fifth", true).commit();
}
}
lastLevel = temp;
}
}
Intent i = new Intent(context,BatteryNotifyReceiver.class);
context.startService(i);
}
}
专用最终类BatteryNotifyReceiver扩展了BroadcastReceiver{
布尔连通;
@凌驾
公共void onReceive(上下文、意图){
SharedReferences prefs=PreferenceManager.GetDefaultSharedReferences(上下文);
SharedReferences.Editor edit=prefs.edit();
更新引用(prefs);
level=intent.getIntExtra(BatteryManager.EXTRA_level,-1);
if(intent.getAction().equals(intent.ACTION\u POWER\u CONNECTED)){
连接=真;
}else if(intent.getAction().equals(intent.ACTION\u POWER\u DISCONNECTED)){
连接=错误;
}else if(intent.getAction().equals(intent.ACTION\u电池更换)){
如果(级别<最后级别){
如果(级别>40){
edit.putBoolean(“first”,false).commit();
edit.putBoolean(“second”,false).commit();
edit.putBoolean(“第三个”,false).commit();
edit.putBoolean(“第四个”,false).commit();
edit.putBoolean(“第五”,false).commit();
}
如果(级别==40){
如果(!第一个){
通知(上下文、battColor、battBlink、battVib、battSound);
edit.putBoolean(“first”,true).commit();
}
}否则,如果(级别==30){
如果(!秒){
通知(上下文、battColor、battBlink、battVib、battSound);
edit.putBoolean(“second”,true).commit();
}
}否则,如果(级别==20){
如果(!第三){
通知(上下文、battColor、battBlink、battVib、battSound);
edit.putBoolean(“第三个”,true).commit();
}
}否则,如果(级别==15){
如果(!第四){
通知(上下文、battColor、battBlink、battVib、battSound);
edit.putBoolean(“第四个”,true).commit();
}
}否则,如果(级别==5){
如果(!第五){
通知(上下文、battColor、battBlink、battVib、battSound);
edit.putBoolean(“第五个”,true).commit();
}
}
最后一级=温度;
}
}
意图i=新意图(上下文,BatteryNotifyReceiver.class);
启动服务(一);
}
}
知道他们为什么会出现这种错误吗?问题的根源在于:
unregisterReceiver(batteryNotifyReceiver);
如果接收者已经取消注册(可能是在本文未包含的代码中)或未注册,则调用unregisterReceiver
throwsIllegalArgumentException
。在您的情况下,您只需为该异常设置特殊的try/catch并忽略它(假设您不能或不想控制在同一个接收器上调用unregisterReceiver
的次数)。编辑:这是inazaruk和electrichead的答案。。。我遇到了一个与他们类似的问题,并发现如下。。。
此问题存在一个长期存在的bug:
看起来它是从Android2.1开始的,从那时起,它就出现在所有Android2.x版本中。不过,我不确定安卓3.x或4.x是否仍然存在问题
无论如何,这篇StackOverflow文章解释了如何正确地解决这个问题(从URL上看,它看起来不相关,但我保证它是相关的)
如其他答案中所述,引发异常是因为对
registerReceiver
的每次调用都没有与对unregisterReceiver
的一次调用匹配。为什么不呢
活动
并不总是对每个onCreate
调用都有一个匹配的onestory
调用。如果系统内存不足,您的应用程序将在不调用onDestroy的情况下退出
放置registerReceiver
调用的正确位置是onResume
调用中,以及onPause
调用中的unregisterReceiver
。这对呼叫总是匹配的。有关更多详细信息,请参见活动生命周期图。
您的代码将更改为:
SharedPreferences mPref
IntentFilter mFilter;
@Override
public void onCreate(){
super.onCreate();
mPref = PreferenceManager.getDefaultSharedPreferences(this);
mFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
filter.addAction(Intent.ACTION_POWER_CONNECTED);
filter.addAction(Intent.ACTION_POWER_DISCONNECTED);
}
@Override
public void onResume() {
registerReceiver(batteryNotifyReceiver,mFilter);
mPref.registerOnSharedPreferenceChangeListener(this);
}
@Override
public void onPause(){
unregisterReceiver(batteryNotifyReceiver, mFilter);
mPref.unregisterOnSharedPreferenceChangeListener(this);
}
将receiver声明为null,然后将register和unregister方法分别放在活动的onResume()和onPause()中
@Override
protected void onResume() {
super.onResume();
if (receiver == null) {
filter = new IntentFilter(ResponseReceiver.ACTION_RESP);
filter.addCategory(Intent.CATEGORY_DEFAULT);
receiver = new ResponseReceiver();
registerReceiver(receiver, filter);
}
}
@Override
protected void onPause() {
super.onPause();
if (receiver != null) {
unregisterReceiver(receiver);
receiver = null;
}
}
对于未注册的接收者,请在任何地方使用此代码:
if(电池通知接收器!=null){
未注册接收器(电池通知接收器);
batteryNotifyReceiver=null;
}
我使用了一个try-catch块来临时解决这个问题
// Unregister Observer - Stop monitoring the underlying data source.
if (mDataSetChangeObserver != null) {
// Sometimes the Fragment onDestroy() unregisters the observer before calling below code
// See <a>http://stackoverflow.com/questions/6165070/receiver-not-registered-exception-error</a>
try {
getContext().unregisterReceiver(mDataSetChangeObserver);
mDataSetChangeObserver = null;
}
catch (IllegalArgumentException e) {
// Check wether we are in debug mode
if (BuildConfig.IS_DEBUG_MODE) {
e.printStackTrace();
}
}
}
//注销观察者-停止监视基础数据源。
if(mDataSetChangeObserver!=null){
//有时,片段onDestroy()会在调用下面的代码之前注销观察者
//看http://stackoverflow.com/questions/6165070/receiver-not-registered-exception-error
试一试{
getContext().unregisterReceiver(mDataSetChangeObserver);
mDataSetChangeObserver=null;
}
捕获(IllegalArgumentException e){
//检查我们是否处于调试模式
if(BuildConfig.IS_DEBUG_模式){
e、 printStackTrace();
}
LocalBroadcastManager.getInstance(this).registerReceiver()
unregisterReceiver()
LocalBroadcastManager.getInstance(this).unregisterReceiver()
private LocalBroadcastManager lbman;
lbman.registerReceiver(bReceiver);
lbman.unregisterReceiver(bReceiver);
private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// your code
}
};
LocalBroadcastManager.getInstance(this).unregisterReceiver(broadcastReceiver);
LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(broadcastReceiver);
unregisterReceiver(broadcastReceiver);
getActivity().unregisterReceiver(broadcastReceiver);
try {
unregisterReceiver(receiver);
} catch (IllegalArgumentException e) {
System.out.printf(e.getMessage());
}