@Override
   
 public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
   
 long arg3) {
   
 HashMap item = (HashMap)arg0.getItemAtPosition(arg2);
   
 String section =String.valueOf(item.get("name").toString());//get每一行的数据的名字
   
 Toast.makeText(MainActivity.this, section, Toast.LENGTH_LONG).show();
   
 }
   
 });