java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$4.done(Unknown Source:27)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:919)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int com.android.internal.widget.VerifyCredentialResponse.getResponseCode()' on a null object reference
at com.android.internal.widget.LockPatternUtils.checkCredential(Unknown Source:13)
at com.android.internal.widget.LockPatternUtils.checkPattern(Unknown Source:8)
at com.android.internal.widget.LockPatternUtils.checkPattern(Unknown Source:1)
at com.android.settings.d.b.a(Unknown Source:0)
at com.android.settings.Pd.doInBackground(Unknown Source:7)
at com.android.settings.Pd.doInBackground(Unknown Source:2)
at android.os.AsyncTask$3.call(Unknown Source:20)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 more