XListView简单使用方法

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public class MainActivity extends AppCompatActivity implements XListView.IXListViewListener {    //初始化资源ID    private XListView xlv;    String url = "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&pm=b61&uuid=1848c59c-185d-48d9-b0e9-782016041109&_chat_id=0&qtime=20160411091603";    private ImageLoader instance;    private List<News.ResultBean.RowsBean> list = new ArrayList<>();    private MyAdapter adapter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);

//初始化资源ID        xlv = (XListView) findViewById(R.id.xlv);

//使用ImageLoder

        instance = ImageLoader.getInstance();        adapter = new MyAdapter();

//给xlv设置适配器

        xlv.setAdapter(adapter);

//给MainActivity设置监听，必须        xlv.setXListViewListener(this);

//设置可以上拉刷新        xlv.setPullLoadEnable(true);

//调用自己的方法        initData();    }    private void initData() {

        new MyAsyncTask().execute(url);    }//使用AsyncTask获取Json串    class MyAsyncTask extends AsyncTask<String, Void, String> {        @Override        protected String doInBackground(String... params) {            return NetWordUtils.getNetjson(params[0]);        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            Gson gson = new Gson();            News news = gson.fromJson(s, News.class);            List<News.ResultBean.RowsBean> rows = news.getResult().getRows();            list.addAll(rows);            adapter.notifyDataSetChanged();        }    }    class MyAdapter extends BaseAdapter {        @Override        public int getCount() {            return list.size();        }        @Override        public Object getItem(int position) {            return list.get(position);        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            convertView = View.inflate(MainActivity.this, R.layout.item, null);            ImageView iv = convertView.findViewById(R.id.iv);            TextView tv = convertView.findViewById(R.id.tv);            tv.setText(list.get(position).getInfo().getAddress());

//ImageLoader设置图片            instance.displayImage(list.get(position).getInfo().getDefault_image(), iv);            return convertView;        }    }//上拉重新刷新    @Override    public void onRefresh() {

//先清空集合        list.clear();

//重新调用方法        initData();

//xlv完成UI        XlvUICompleted();    }//完成UI时的操作    private void XlvUICompleted() {

       //让刷新头消失        xListView.stopRefresh();        //让加载更多文字消失        xListView.stopLoadMore();        //设置刷新时间为"刚刚"        xListView.setRefreshTime("刚刚");

    }//下拉加载    @Override    public void onLoadMore() {       //调用方法

initData();

//完成UI        XlvUICompleted();    }}

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