XListView实现网络加载图片和下拉刷新

XListView实现网络加载图片和下拉刷新实现网络加载图片和下拉刷新

主要为大家详细介绍了XListView实现网络加载图片和下拉刷新，具有一定的参考价值，感兴趣的小伙伴们可以

参考一下

本文实例为大家分享了XListView实现网络加载图片，和下拉刷新的功能，供大家参考，具体内容如下

MainActivity.java

public class MainActivity extends AppCompatActivity {

private XListView contents;

private int page = 0;

adapter = new MyBaseAdapter(getLayoutInflater());

contents.setAdapter(adapter);

//是否开启下拉刷新 上拉加载

//contents.setPullRefreshEnable(false);

contents.setPullLoadEnable(true);

contents.setXListViewListener(new XListView.IXListViewListener() {

@Override public void onRefresh() {

page = 0;

loadData(page);

//加载刷新数据

loadData(page);

}

private String url =

"http://apis.juhe.cn/cook/query?key=3ec004200a6a2f4cf4774e480c006375&menu=%E8%A5%BF%E7%BA%A2%E6%9F%BF&rn=10&pn=";

private void loadData(int page) {

String requestUrlWithPageNum = url + page;

//加载网络数据

new AsyncTask<String, Void, List<DataItem>>() {

@Override protected List<DataItem> doInBackground(String... strings) {

ResponseBean responseBean = null;

int responseCode = urlConnection.getResponseCode();

if (responseCode == 200) {

String str = stream2String(urlConnection.getInputStream());

responseBean = new Gson().fromJson(str, ResponseBean.class);

} else {

//

}

return responseBean == null ? null : responseBean.getResult().getData();

} catch (MalformedURLException e) {

e.printStackTrace();