MainActivity
package com.bw.zsd.xlistview;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import com.bw.zsd.bean.Json;
import com.bw.zsd.task.MyAsyncTask;
import com.bwie.xlistviewlibrary.view.XListView;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
String baseUrl = "http://api.expoon.com/AppNews/getNewsList/type/1/p/";
private XListView xListView;
int page;
private ArrayList<Json.DataBean> list = new ArrayList<Json.DataBean>();
private MyAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
xListView = findViewById(R.id.listView1);
xListView.setPullLoadEnable(true);// 开启上拉加载更多功能;
adapter = new MyAdapter(list, MainActivity.this);
xListView.setAdapter(adapter);
initData(page);
xListView.setXListViewListener(new XListView.IXListViewListener() {
@Override
public void onRefresh() {
page=0;
initData(page);
}
@Override
public void onLoadMore() {
page++;
initData(page);
}
});
}
private void initData(final int page) {
String s = baseUrl + page;
new MyAsyncTask(adapter,list,xListView).execute(s);
}
}
MyAsyncTask
package com.bw.zsd.task;
import com.bw.zsd.bean.Json;
import com.bw.zsd.xlistview.MyAdapter;
import com.bwie.xlistviewlibrary.utils.NetWordUtils;
import com.bwie.xlistviewlibrary.view.XListView;
import com.google.gson.Gson;
import java.util.ArrayList;
import java.util.List;
/**
* @Auther: ZSD
* @Date: 2019/1/3 0003 11:00:09
* @Description:
*/
public class MyAsyncTask extends android.os.AsyncTask<String,Void,String> {
private MyAdapter adapter;
private ArrayList<Json.DataBean> list = new ArrayList<Json.DataBean>();
private XListView xListView;
public MyAsyncTask(MyAdapter adapter, ArrayList<Json.DataBean> list, XListView xListView) {
this.adapter = adapter;
this.list = list;
this.xListView = xListView;
}
@Override
protected String doInBackground(String... strings) {
return NetWordUtils.getNetjson(strings[0]);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
Json json = gson.fromJson(s, Json.class);
List<Json.DataBean> data = json.getData();
list.addAll(data);
uiComplte();
}
private void uiComplte() {
adapter.notifyDataSetChanged();
xListView.setRefreshTime("刚刚");
xListView.stopRefresh();//头
xListView.stopLoadMore();//脚
}
}