XListView的上拉加载和下拉刷新

布局页面

<com.yyq.week2.XlistView.XListView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/lv"></com.yyq.week2.XlistView.XListView>

主方法

public class MainActivity extends AppCompatActivity {

    private XListView lv;
    private List<MyBean.ResultBean.RowsBean> list=new ArrayList<>();

    Handler h=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String s= (String) msg.obj;
            int n=msg.arg1;
            Gson g=new Gson();
            MyBean b=g.fromJson(s,MyBean.class);
            if(n==1) {
                //1.清空之前集合的数
                list.clear();
                //2.加载新数据
                list.addAll(b.getResult().getRows());
                //3.通知适配器刷新
                ada.notifyDataSetChanged();
            }else if(n==0){
                //1.加载新数据
                //2.把新数据追加到集合里
                list.addAll(b.getResult().getRows());
                //3.通知适配器刷新
                ada.notifyDataSetChanged();
            }
            //4.停止加载更多
            stopXlistView();
        }
    };
    private MyAdapter ada;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        lv =(XListView) findViewById(R.id.lv);
        lv.setXListViewListener(new XListView.IXListViewListener() {
            @Override//刷新
            public void onRefresh() {
                jiexi(1);
            }

            @Override//加载
            public void onLoadMore() {
                jiexi(0);
            }
        });
        ada =new MyAdapter();
        lv.setAdapter(ada);
        jiexi(1);
    }

    private void jiexi(final int n) {
        String title="http://api.fang.anjuke.com/m/android/1.3/shouye/recI" +
                "nfosV3/?city_id=14&lat=40.04652&lng=116.306033&api_key=a" +
                "ndroidkey&sig=9317e9634b5fbc16078ab07abb6661c5&macid=45cd" +
                "2478331b184ff0e15f29aaa89e3e&app=a-ajk&_pid=11738&o=PE-TL" +
                "10-user+4.4.2+HuaweiPE-TL10+CHNC00B260+ota-rel-keys%2Cre" +
                "lease-keys&from=mobile&m=Android-PE-TL10&cv=9.5.1&cid=14&" +
                "i=864601026706713&v=4.4.2&qtime=20160411091603&pm=b61&uui" +
                "d=1848c59c-185d-48d9-b0e9-782016041109&_chat_id=0";
        new AsyncTask<String,Void,String>(){

            @Override
            protected String doInBackground(String... strings) {
                try {
                    URL url=new URL(strings[0]);
                    HttpURLConnection hct= (HttpURLConnection) url.openConnection();
                    hct.setConnectTimeout(5000);
                    hct.setRequestMethod("GET");
                    int code=hct.getResponseCode();
                    if(code==200){
                        InputStream is=hct.getInputStream();
                        return Stream.ReadFrom(is);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(String s) {
                super.onPostExecute(s);
                Message m=Message.obtain();
                m.obj=s;
                m.arg1=n;
                h.sendMessage(m);
            }

            @Override
            protected void onPreExecute() {
                super.onPreExecute();
            }
        }.execute(title);
    }

    class MyAdapter extends BaseAdapter{

        @Override
        public int getCount() {
            return list.size();
        }

        @Override
        public Object getItem(int i) {
            return list.get(i);
        }

        @Override
        public long getItemId(int i) {
            return i;
        }

        @Override
        public View getView(int i, View view, ViewGroup viewGroup) {
            ViewHolder vh;
            if(view==null){
                view=View.inflate(MainActivity.this,R.layout.item,null);
                vh=new ViewHolder();
                vh.img= (ImageView) view.findViewById(R.id.img);
                vh.name= (TextView) view.findViewById(R.id.name);
                vh.weizhi= (TextView) view.findViewById(R.id.weizhi);
                vh.jiage= (TextView) view.findViewById(R.id.jiage);
                vh.tedian= (TextView) view.findViewById(R.id.tedian);
                vh.leixing= (TextView) view.findViewById(R.id.leixing);
                view.setTag(vh);
            }else{
                vh= (ViewHolder) view.getTag();
            }
            ImageLoader.getInstance().displayImage(list.get(i).getInfo().getDefault_image(),vh.img);
            vh.name.setText(list.get(i).getInfo().getLoupan_name());
            vh.weizhi.setText(list.get(i).getInfo().getAddress());
            vh.jiage.setText(list.get(i).getInfo().getNew_price_value()+list.get(i).getInfo().getNew_price_back());
            vh.tedian.setText(list.get(i).getInfo().getSale_title());
            vh.leixing.setText(list.get(i).getInfo().getTags());
            return view;
        }
    }
    class ViewHolder {
        ImageView img;
        TextView name;
        TextView weizhi;
        TextView jiage;
        TextView tedian;
        TextView leixing;
    }
    //停止上拉刷新下拉加载
    public void stopXlistView(){
        //设置刷新时间
        SimpleDateFormat formatter = new SimpleDateFormat(
                "yyyy年MM月dd日   HH:mm:ss     ");
        Date curDate = new Date(System.currentTimeMillis());
        // 获取当前时间
        String str = formatter.format(curDate);
        lv.setRefreshTime(str);
        //停止加载更多
        lv.stopLoadMore();
        //停止刷新
        lv.stopRefresh();
    }

}