android ListView 点击 事件

listView= (ListView) this.findViewById(R.id.listview);
        List<HashMap<String,String>>data =new ArrayList<HashMap<String,String>>();
        UserService us =new UserService(this);
        List<User> users = us.getScrollDate(0, 10);
for(User u : users){
         HashMap<String,String> map =new HashMap<String, String>();
         map.put("userid", String.valueOf(u.getUserid()));
         map.put("name", u.getName());
         map.put("age", String.valueOf(u.getAge()));
         data.add(map);
        }
        SimpleAdapter adapter =new SimpleAdapter(this,data,R.layout.useritem,new String[]{"userid","name","age"},newint[]{R.id.userid,R.id.name,R.id.age});

       listView.setAdapter(adapter);
        listView.setOnItemClickListener(new OnItemClickListener(){

   @SuppressWarnings("unchecked")
   @Override
   publicvoid onItemClick(AdapterView<?> parent, View view,
int position, long id) {
    ListView listView = (ListView)parent;
    HashMap<String, String> map = (HashMap<String, String>) listView.getItemAtPosition(position);
    String userid = map.get("userid");
    String name = map.get("name");
    String age = map.get("age");
    Toast.makeText(SQLiteCRUDActivity.this, userid +" , "+ name +" , "+ age ,Toast.LENGTH_LONG).show();
   }
        });