// get data
 private void getMediaDetailData() {
   if (mMediaDetailInfo == null) {
     if (mMediaInfo != null) {
       boolean getAll = true;
       mIntroduceLoadingListView.setShowLoading(true);
       mMediaDetailInfoSupply.getMediaDetailInfo(
           mMediaInfo.mediaid, getAll, MediaFeeDef.MEDIA_ALL, null);
     }
   }
 }