void clearData() {
   AlertDialogs.AlertDialog(
       getActivity(),
       "Delete StreamProcessor State?",
       "Delete Stream Processor State?\n\nData can't be recovered after deletion",
       R.drawable.ic_delete_red_48dp,
       "Yes",
       "Cancel",
       null,
       new DialogInterface.OnClickListener() {
         @Override
         public void onClick(DialogInterface dialog, int which) {
           if (which == AlertDialog.BUTTON_POSITIVE) {
             new DeleteDataAsyncTask().execute();
           } else {
             if (getActivity().getIntent().getBooleanExtra("delete", false))
               getActivity().finish();
           }
         }
       });
 }