适配器相关

          results.remove(position);
         patrolSendAdapter.refrash(results); 

//错 list的数据也会clear

      public void refrash(ArrayList> list) {
                 results.clear();
                results.addAll(list);
                notifyDataSetChanged();
      }

//正确的写法 引用问题

       public void refrash(ArrayList> list) {
                 data=new ArrayList<>();
                 data.addAll(list);
                 results.clear();
                results.addAll(data);
                notifyDataSetChanged();
      }