@Override
 protected void initView() {
   super.initView();
   View headerView =
       LayoutInflater.from(getActivity())
           .inflate(com.xuhai.telescopes.R.layout.em_contacts_header, null);
   HeaderItemClickListener clickListener = new HeaderItemClickListener();
   applicationItem =
       (ContactItemView) headerView.findViewById(com.xuhai.telescopes.R.id.application_item);
   applicationItem.setOnClickListener(clickListener);
   headerView.findViewById(com.xuhai.telescopes.R.id.group_item).setOnClickListener(clickListener);
   headerView
       .findViewById(com.xuhai.telescopes.R.id.chat_room_item)
       .setOnClickListener(clickListener);
   //
   // headerView.findViewById(com.xuhai.telescopes.R.id.robot_item).setOnClickListener(clickListener);
   // 添加headerview
   //        listView.addHeaderView(headerView);
   // 添加正在加载数据提示的loading view
   loadingView =
       LayoutInflater.from(getActivity())
           .inflate(com.xuhai.telescopes.R.layout.em_layout_loading_data, null);
   contentContainer.addView(loadingView);
   // 注册上下文菜单
   registerForContextMenu(listView);
 }