64     private Handler mProgressRefresher;  field in AudioPreview
104         mProgressRefresher = new Handler();  in onCreate()
200         if (mProgressRefresher != null) {  in onPause()
201             mProgressRefresher.removeCallbacksAndMessages(null);  in onPause()
228         if (mProgressRefresher != null) {  in stopPlayback()
229             mProgressRefresher.removeCallbacksAndMessages(null);  in stopPlayback()
270         if (mProgressRefresher != null) {  in showPostPrepareUI()
271             mProgressRefresher.removeCallbacksAndMessages(null);  in showPostPrepareUI()
272             mProgressRefresher.postDelayed(new ProgressRefresher(), 200);  in showPostPrepareUI()
312         mProgressRefresher.postDelayed(new ProgressRefresher(), 200);  in start()
332             mProgressRefresher.removeCallbacksAndMessages(null);  in run()
334                 mProgressRefresher.postDelayed(new ProgressRefresher(), 200);  in run()
346                 mProgressRefresher.removeCallbacksAndMessages(null);  in updatePlayPause()