/**
  * 获取好友列表信息
  *
  * @return 作者:fighter <br>
  *     创建时间:2013-5-31<br>
  *     修改时间:<br>
  */
 public synchronized List<CustomerVo> getFriendList() {
   Log.d(TAG, "getFriendList()");
   if (customerVos != null) {
     return customerVos;
   }
   if (friendListVo != null) {
     try {
       List<CustomerVo> cVos =
           finalDb.findAllByWhere(CustomerVo.class, "uid in(" + friendListVo.getFriends() + ")");
       if (cVos != null) {
         Collections.sort(cVos, pinyinComparator);
       } else {
         cVos = new ArrayList<CustomerVo>();
       }
       checkFriendListIsUpdate();
       this.customerVos = cVos;
       return this.customerVos;
     } catch (Exception e) {
       return null;
     }
   } else {
     return null;
   }
 }