第三方XlistView

public class MyFragment extends Fragment implements IXListViewListener {

    private Context context;
    private String path;
    private View v;
    private XListView xlv;
    // 創建存放data的集合
    private ArrayList<Data> newslist = new ArrayList<Data>();
    private MyXlvAdapter adapter;

    Handler handler = new Handler() {
        public void handleMessage(android.os.Message msg) {
            int num = msg.what;
            News ns = (News) msg.obj;
            if (num == 0) {
                // 添加數據
                newslist.addAll(ns.data);
            } else if (num == 1) {
                // 清空集合
                newslist.clear();
                // 添加數據
                newslist.addAll(ns.data);
            } else if (num == 2) {
                // 添加
                newslist.addAll(ns.data);
            }
            // 刷新適配器
            adapter.notifyDataSetChanged();
            // 停止
            stopLoadOrRefresh();
        };
    };

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        // 獲取視圖
        v = inflater.inflate(R.layout.myfragment, null);
        // 獲取上下文對象
        context = getActivity();

        return v;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);

        // 獲取activity傳過來的參數
        Bundle bundle = getArguments();
        // 請求的地址
        path = bundle.getString("category");

        // 獲取控件
        xlv = (XListView) v.findViewById(R.id.xlv);
        // 設置xlv
        SetAdapter();
        // 獲取數據
        getData(0);
        // 給xlistview設置監聽
        xlv.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                // 跳轉至新聞詳解的activity
                Intent intent = new Intent(context, NewsActivity.class);
                // 把地址傳過去
                intent.putExtra("webUrl", newslist.get(arg2 - 1).article_url);
                // 開始跳轉
                startActivity(intent);
            }
        });
    }

    /**
     * 設置xlistview 監聽 適配器
     */
    public void SetAdapter() {
        // 開啓下拉刷新
        xlv.setPullLoadEnable(true);
        // 開啓上拉加載
        xlv.setPullRefreshEnable(true);
        // 設置監聽
        xlv.setXListViewListener(this);
        // 設置適配器
        adapter = new MyXlvAdapter(context, newslist);
        xlv.setAdapter(adapter);
    }

    /**
     * 獲取數據
     */
    private void getData(final int s) {
        // 異步加載
        new AsyncTask<Void, Void, String>() {

            @Override
            protected String doInBackground(Void... params) {
                // 請求數據
                String json = NetWorkUtils.getstr(path);

                return json;
            }

            @Override
            protected void onPostExecute(String result) {
                // TODO Auto-generated method stub
                super.onPostExecute(result);

                // 解析
                Gson gson = new Gson();
                News news = gson.fromJson(result, News.class);

                // 發送一個消息
                Message msg = new Message();
                msg.what = s;
                msg.obj = news;
                handler.sendMessage(msg);
            }
        }.execute();
    }

    /**
     * 停止
     */
    public void stopLoadOrRefresh() {

        // 把請求好的毫秒數換算成時間
        Date date = new Date();
        // 設置時間的格式
        SimpleDateFormat sdformat = new SimpleDateFormat("MM-dd HH:mm");// 24小時制
        String LgTime = sdformat.format(date);

        // 停止加載
        xlv.stopLoadMore();
        // 停止刷新
        xlv.stopRefresh();
        // 最近一次的刷新時間
        xlv.setRefreshTime(LgTime);
    }

    @Override
    public void onRefresh() {
        // TODO Auto-generated method stub
        handler.postDelayed(new Runnable() {
            public void run() {
                getData(1);
            }
        }, 2000);
    }

    @Override
    public void onLoadMore() {
        // TODO Auto-generated method stub
        handler.postDelayed(new Runnable() {
            public void run() {
                getData(2);
            }
        }, 2000);
    }
}