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android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.	at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6891)	at android.view.ViewRootImpl.requestLayout(ViewRootImpl.java:1048)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.requestLayout(View.java:19781)	at android.widget.RelativeLayout.requestLayout(RelativeLayout.java:360)	at android.view.View.requestLayout(View.java:19781)	at android.view.View.setFlags(View.java:11478)	at android.view.View.setVisibility(View.java:8069)	at android.widget.AdapterView.updateEmptyStatus(AdapterView.java:763)	at android.widget.AdapterView.setEmptyView(AdapterView.java:687)	at com.johnbohne.okcupid.MainActivityFragment.getPeople(MainActivityFragment.java:154)	at com.johnbohne.okcupid.MainActivityFragment$GetPersonInformation.doInBackground(MainActivityFragment.java:63)	at com.johnbohne.okcupid.MainActivityFragment$GetPersonInformation.doInBackground(MainActivityFragment.java:59)	at android.os.AsyncTask$2.call(AsyncTask.java:305)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)	at java.lang.Thread.run(Thread.java:761)