Program: 1397
Project: 1397
Buggy source:
/** 
 * Request audio focus. Send a request to obtain the audio focus
 * @param l the listener to be notified of audio focus changes
 * @param streamType the main audio stream type affected by the focus request
 * @param durationHint use {@link #AUDIOFOCUS_GAIN_TRANSIENT} to indicate this focus requestis temporary, and focus will be abandonned shortly. Examples of transient requests are for the playback of driving directions, or notifications sounds. Use  {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} to indicate also that it's ok forthe previous focus owner to keep playing if it ducks its audio output. Alternatively use  {@link #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE} for a temporary requestthat benefits from the system not playing disruptive sounds like notifications, for usecases such as voice memo recording, or speech recognition. Use  {@link #AUDIOFOCUS_GAIN} for a focus request of unknown duration suchas the playback of a song or a video.
 * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED}
 */
public int requestAudioFocus(OnAudioFocusChangeListener l,int streamType,int durationHint){
  int status=AUDIOFOCUS_REQUEST_FAILED;
  if ((durationHint < AUDIOFOCUS_GAIN) || (durationHint > AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE)) {
    Log.e(TAG,"String_Node_Str");
    return status;
  }
  registerAudioFocusListener(l);
  IAudioService service=getService();
  try {
    status=service.requestAudioFocus(streamType,durationHint,mICallBack,mAudioFocusDispatcher,getIdForAudioFocusListener(l),mContext.getBasePackageName());
  }
 catch (  RemoteException e) {
    Log.e(TAG,"String_Node_Str" + e);
  }
  return status;
}

Fixed version (ground truth):
/** 
 * Request audio focus. Send a request to obtain the audio focus
 * @param l the listener to be notified of audio focus changes
 * @param streamType the main audio stream type affected by the focus request
 * @param durationHint use {@link #AUDIOFOCUS_GAIN_TRANSIENT} to indicate this focus requestis temporary, and focus will be abandonned shortly. Examples of transient requests are for the playback of driving directions, or notifications sounds. Use  {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} to indicate also that it's ok forthe previous focus owner to keep playing if it ducks its audio output. Alternatively use  {@link #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE} for a temporary requestthat benefits from the system not playing disruptive sounds like notifications, for usecases such as voice memo recording, or speech recognition. Use  {@link #AUDIOFOCUS_GAIN} for a focus request of unknown duration suchas the playback of a song or a video.
 * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED}
 */
public int requestAudioFocus(OnAudioFocusChangeListener l,int streamType,int durationHint){
  int status=AUDIOFOCUS_REQUEST_FAILED;
  if ((durationHint < AUDIOFOCUS_GAIN) || (durationHint > AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE)) {
    Log.e(TAG,"String_Node_Str");
    return status;
  }
  registerAudioFocusListener(l);
  IAudioService service=getService();
  try {
    status=service.requestAudioFocus(streamType,durationHint,mICallBack,mAudioFocusDispatcher,getIdForAudioFocusListener(l),mContext.getOpPackageName());
  }
 catch (  RemoteException e) {
    Log.e(TAG,"String_Node_Str" + e);
  }
  return status;
}