/**
  * 添加表情组
  *
  * @param groupEntity
  */
 public void addEmojiconGroup(EaseEmojiconGroupEntity groupEntity, boolean notifyDataChange) {
   int pageSize = getPageSize(groupEntity);
   if (pageSize > maxPageCount) {
     maxPageCount = pageSize;
     if (pagerViewListener != null && pagerAdapter != null) {
       pagerViewListener.onGroupMaxPageSizeChanged(maxPageCount);
     }
   }
   viewpages.addAll(getGroupGridViews(groupEntity));
   if (pagerAdapter != null && notifyDataChange) {
     pagerAdapter.notifyDataSetChanged();
   }
 }