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Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference at com.google.android.gms.gcm.GcmListenerService.zzo(Unknown Source) at com.google.android.gms.gcm.GcmListenerService.zza(Unknown Source) at com.google.android.gms.gcm.GcmListenerService$1.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) at java.lang.Thread.run(Thread.java:818)