I get this exception
Fatal Exception: java.lang.NullPointerException at android.support.v4.content.LocalBroadcastManager.executePendingBroadcasts(LocalBroadcastManager.java:297) at android.support.v4.content.LocalBroadcastManager.access$000(LocalBroadcastManager.java:46) at android.support.v4.content.LocalBroadcastManager$1.handleMessage(LocalBroadcastManager.java:116) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:150) at android.app.ActivityThread.main(ActivityThread.java:5390) at java.lang.reflect.Method.invokeNative(Method.java) at java.lang.reflect.Method.invoke(Method.java:525) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) at dalvik.system.NativeStart.main(NativeStart.java)
but I can't see where is it thrown in my code, and I can't find out how prevent it. I can't reproduce this issue, but it occured at my users.