MainActivity

public class MainActivity extends ActionBarActivity implements IXListViewListener {
    private XListView xListView;
    private String JSON="http://api.fang.anjuke.com/m/android/1.3/shouye/recInfosV3/?city_id=14&lat=40.04652&lng=116.306033&api_key=androidkey&sig=9317e9634b5fbc16078ab07abb6661c5&macid=45cd2478331b184ff0e15f29aaa89e3e&app=a-ajk&_pid=11738&o=PE-TL10-user+4.4.2+HuaweiPE-TL10+CHNC00B260+ota-rel-keys%2Crelease-keys&from=mobile&m=Android-PE-TL10&cv=9.5.1&cid=14&i=864601026706713&v=4.4.2&qtime=20160411091603&pm=b61&uuid=1848c59c-185d-48d9-b0e9-782016041109&_chat_id=0";
    int i=1;
     private List<Rows> lists = new ArrayList<Rows>();
    ListAd m;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //控件
        xListView  = (XListView) findViewById(R.id.xListView);
        //他们的配置
           xListView.setPullLoadEnable(true);
           xListView.setPullRefreshEnable(true);
           xListView.setXListViewListener(this);
           
           init();
    }
    private void init() {
        HttpUtils hu = new HttpUtils();
        hu.send(HttpMethod.GET, JSON+i++, new RequestCallBack<String>() {

            @Override
            public void onFailure(HttpException arg0, String arg1) {
                // TODO Auto-generated method stub
                
            }

            @Override
            public void onSuccess(ResponseInfo<String> arg0) {
                String str = arg0.result;
                Gson g  = new Gson();
                MyObj oj =     g.fromJson(str, MyObj.class);
                List<Rows> list = oj.getResult().getRows();
                 lists = list;
                 m = new ListAd(MainActivity.this, lists);
                  xListView.setAdapter(m);
            }
        });
        
    }
    @Override
    public void onRefresh() {
        init();
        onLoad();
        
    }
    private void onLoad() {
          //停止刷新、加载
        xListView.stopRefresh();
        xListView.stopLoadMore();
        // 设置日期格式
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // 获取当前系统时间
        String nowTime = df.format(new Date(System.currentTimeMillis()));
        // 释放时提示正在刷新时的当前时间
        xListView.setRefreshTime(nowTime);
        
    }
    @Override
    public void onLoadMore() {
        HttpUtils hu = new HttpUtils();
        hu.send(HttpMethod.GET, JSON+i++, new RequestCallBack<String>() {

            @Override
            public void onFailure(HttpException arg0, String arg1) {
                // TODO Auto-generated method stub
                
            }

            @Override
            public void onSuccess(ResponseInfo<String> arg0) {
                String str = arg0.result;
                Gson g  = new Gson();
                MyObj oj =     g.fromJson(str, MyObj.class);
                List<Rows> list = oj.getResult().getRows();
                lists.addAll(list);
                m.notifyDataSetChanged();
            }
        });
        onLoad();
    }

}