@Override
 public void loadMore() {
   if (state == STATE_SEARCH && !searcher.isKeywordEmpty()) {
     mFootUpdate.showLoading();
     searcher.search();
   }
 }
 @Override
 public void loadMore() {
   if (TextUtils.isEmpty(currentCity)) {
     reloadLocation();
   } else {
     searcher.search();
   }
 }