AdapterView.OnItemClickListener怎样获取点击那一项的内容

[url]http://bbs.csdn.net/topics/390308965?page=1#post-393146240[/url]

ListView.setAdapter(SimpleAdapter);

public void onItemClick(AdapterView arg0, View arg1, int arg2,
                    long arg3) {
                Adapter adapter=arg0.getAdapter();
                Map map=(Map) adapter.getItem(arg2);