public class MainActivity extends JwListActivity {
List<MsgItem> mListItems; //dataSource
CommonAdapter commonAdapter; //commonAdapter 万能适配器
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_jw_list);
    mListItems = new ArrayList<MsgItem>();
    initListViewController();
}

 /**
 * init ListView Controller
 * 初始化ListViewController
 */
@Override
protected void initListViewController() {
    commonAdapter = new CommonAdapter<MsgItem>(this, mListItems, android.R.layout.simple_list_item_1) {
        @Override
        public void convert(ViewHolder helper, MsgItem item) {
            helper.setText(android.R.id.text1, item.getMsg());
        }
    };
    setCommonAdapter(commonAdapter);

    //init
    super.initListViewController();
}

/**
 * 下拉Pulling Down
 * Http Get  update mListItems
 */
@Override
protected void onListViewHeadRefresh() {
    // 下拉Pulling Down
    //Http Get  update mListItems
   
}

/**
 * 上拉Pulling Up
 * Http Get
 */
@Override
protected void onListViewFooterRefresh() {
    // 上拉Pulling Up
    //Http Get
    
}
}