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Android memory leak errors(unregistered reciever)  RSS feed

 
Greenhorn
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LogCat:

05-17 19:07:22.804: E/ActivityThread(20104): Activity com.example.mytaskmanager.MyActionBar has leaked IntentReceiver com.example.mytaskmanager.Battery$1@417d1238 that was originally registered here. Are you missing a call to unregisterReceiver()?
05-17 19:07:22.804: E/ActivityThread(20104): android.app.IntentReceiverLeaked: Activity com.example.mytaskmanager.MyActionBar has leaked IntentReceiver com.example.mytaskmanager.Battery$1@417d1238 that was originally registered here. Are you missing a call to unregisterReceiver()?
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.LoadedApk$ReceiverDispatcher.<init>(LoadedApk.java:781)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.LoadedApk.getReceiverDispatcher(LoadedApk.java:567)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1067)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.ContextImpl.registerReceiver(ContextImpl.java:1054)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.ContextImpl.registerReceiver(ContextImpl.java:1048)
05-17 19:07:22.804: E/ActivityThread(20104): at android.content.ContextWrapper.registerReceiver(ContextWrapper.java:341)
05-17 19:07:22.804: E/ActivityThread(20104): at com.example.mytaskmanager.Battery.onCreate(Battery.java:114)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:801)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1038)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.BackStackRecord.run(BackStackRecord.java:622)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1396)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
05-17 19:07:22.804: E/ActivityThread(20104): at android.os.Handler.handleCallback(Handler.java:605)
05-17 19:07:22.804: E/ActivityThread(20104): at android.os.Handler.dispatchMessage(Handler.java:92)
05-17 19:07:22.804: E/ActivityThread(20104): at android.os.Looper.loop(Looper.java:154)
05-17 19:07:22.804: E/ActivityThread(20104): at android.app.ActivityThread.main(ActivityThread.java:4624)
05-17 19:07:22.804: E/ActivityThread(20104): at java.lang.reflect.Method.invokeNative(Native Method)
05-17 19:07:22.804: E/ActivityThread(20104): at java.lang.reflect.Method.invoke(Method.java:511)
05-17 19:07:22.804: E/ActivityThread(20104): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
05-17 19:07:22.804: E/ActivityThread(20104): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
05-17 19:07:22.804: E/ActivityThread(20104): at dalvik.system.NativeStart.main(Native Method)


My app has action bar with 3 fragment tabs.
In the second fragment I have these errors and as I understand I have to unregister Reciever but I'm not sure where in the code to do that





I tried this but now I have receiver not registered errors, should I move the register code to onCreateView() and leave the unregister like this ?
(Is onDestroyView() still called when I select the Battery tab and then click the home button? because if not I suppose the errors wouldn't be solved )



 
Greenhorn
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you should add the code for unregistering the broadcast receiver in the OnDestroy method of the activity.

Override the onDestroy method and place the unregisterReceiver(batteryInfoReceiver); in it and there you go...!!!
 
It is sorta covered in the JavaRanch Style Guide.
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