上拉加载下拉刷新xlistview

来源：互联网发布：h3c 查看端口状态编辑：程序博客网时间：2024/05/16 07:29

public class MainActivity extends Activity implements IXListViewListener {

   private XListView mXl;

   private List<Datas> datas;
   private MyAdapter adapter;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       // 找控件的id
       initView();
       // 获取数据的方法
       getData();
   }

   /**
   * 获取数据的方法
   */
   private void getData() {
       final String path = "http://www.93.gov.cn/93app/get_search.do?key=九三";
       new Thread() {
           public void run() {
               // 创建HttpClient对象
               HttpClient client = new DefaultHttpClient();
               HttpGet get = new HttpGet(path);
               try {
                   HttpResponse response = client.execute(get);
                   if (response.getStatusLine().getStatusCode() == 200) {
                       HttpEntity entity = response.getEntity();
                       String string = EntityUtils.toString(entity);
                       Databean databean = jsonObj(string);
                       Log.e("tag", databean.toString());
                       List<Datas> list = databean.getData();
                       // 进行赋值
                       datas = list;
                       runOnUiThread(new Runnable() {

                           @Override
                           public void run() {
                               adapter = new MyAdapter(MainActivity.this,
                                       datas);
                               mXl.setAdapter(adapter);
                           }
                       });
                   }
               } catch (Exception e) {
                   e.printStackTrace();
               }
           }

       }.start();
   }

   /**
   * json解析的方法
   *
   * @param string
   */
   private Databean jsonObj(String string) {
       Gson gson = new Gson();
       Databean databean = gson.fromJson(string, Databean.class);
       return databean;
   };

   /**
   * 初始化控件视图
   */
   private void initView() {
       mXl = (XListView) findViewById(R.id.xlistview);
       // 设置是否能上拉加载
       mXl.setPullLoadEnable(true);
       // 设置是否能下拉刷新
       mXl.setPullRefreshEnable(true);
       // 设置监听的方法
       mXl.setXListViewListener(this);
   }

   /**
   * 刷新的方法
   */
   @Override
   public void onRefresh() {
       new Thread() {
           public void run() {
               getData();
           };
       }.start();
       // 关闭的方法
       close();
   }

   /**
   * 关闭刷新和加载的方法
   */
   private void close() {
       mXl.stopLoadMore();
       mXl.stopRefresh();
   }

   /**
   * 加载的方法
   */
   @Override
   public void onLoadMore() {
       getDataLoad();

       adapter.notifyDataSetChanged();

       // 关闭加载
       close();
   }

   /**
   * 加载数据的方法
   */
   private void getDataLoad() {

       final String path = "http://www.93.gov.cn/93app/get_search.do?key=九三";
       new Thread() {
           public void run() {
               // 创建HttpClient对象
               HttpClient client = new DefaultHttpClient();
               HttpGet get = new HttpGet(path);
               try {
                   HttpResponse response = client.execute(get);
                   if (response.getStatusLine().getStatusCode() == 200) {
                       HttpEntity entity = response.getEntity();
                       String string = EntityUtils.toString(entity);
                       Databean databean = jsonObj(string);
//                       Log.e("tag", databean.toString());
                       List<Datas> list = databean.getData();
                       datas.addAll(list);
                   }
               } catch (Exception e) {
                   e.printStackTrace();
               }
           }

       }.start();
   }

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