package bwie.com.xlistview;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.TextView;
import com.google.gson.Gson;
import com.loopj.android.http.HttpGet;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import adapter.MyAdapter;
import bean.UserBean;
import cz.msebera.android.httpclient.HttpResponse;
import cz.msebera.android.httpclient.client.HttpClient;
import cz.msebera.android.httpclient.impl.client.DefaultHttpClient;
import view.XListView;
public class MainActivity extends AppCompatActivity {
private List<UserBean.DataBean> lista=new ArrayList<>();
private XListView xlistview;
private int page =1;
//定义网络
String path="http://www.yulin520.com/a2a/forum/allTypeList?sign=376C5BFC22179A1B8FF3A86D4588B29F&pageSize=10&ts=1877785007&forumType=0&page=";
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what==0) {
xlistview.stopRefresh();
}
if(msg.what==1){
// page++;
new MyAsycnTask().execute(path+page);
xlistview.stopLoadMore();
}
}
};
private TextView time;
private List<UserBean.DataBean> list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//初始化控件
xlistview = (XListView) findViewById(R.id.xlistview);
//可以往上划,加载数据,上拉加载
xlistview.setPullLoadEnable(true);
//下拉刷新
xlistview.setPullRefreshEnable(true);
//设置监听
xlistview.setXListViewListener(new XListView.IXListViewListener() {
//下拉刷新
@Override
public void onRefresh() {
page=1;
new MyAsycnTask().execute(path + page);
//停止刷新
handler.sendEmptyMessageDelayed(0,2000);
long l = System.currentTimeMillis();
Date date=new Date(l);
SimpleDateFormat format=new SimpleDateFormat("HH:mm");
xlistview.setRefreshTime(format.format(date));
}
//上拉加载
@Override
public void onLoadMore() {
page++;
handler.sendEmptyMessageDelayed(1 ,2000);
//停止加载更多
}
});
//调用网络
new MyAsycnTask().execute(path + page);
}
//网络获取
private class MyAsycnTask extends AsyncTask<String,Void,String>{
private MyAdapter adapter;
@Override
protected String doInBackground(String... params) {
//创建网络请求
HttpClient client=new DefaultHttpClient();
HttpGet get=new HttpGet(params[0]);
try {
HttpResponse response = client.execute(get);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode==200) {
InputStream inputStream = response.getEntity().getContent();
ByteArrayOutputStream bos=new ByteArrayOutputStream();
byte[] buffer=new byte[1024];
int len=-1;
while ((len=inputStream.read(buffer))!=-1){
bos.write(buffer,0,len);
}
inputStream.close();
bos.close();
String s = bos.toString();
Log.i("aaa",s.toString());
return s;
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
UserBean userBean = gson.fromJson(s, UserBean.class);
List<UserBean.DataBean> data = userBean.getData();
if (page==1){
lista.clear();
}
lista.addAll(data);
if (adapter==null) {
adapter = new MyAdapter(MainActivity.this, lista);
xlistview.setAdapter(adapter);
}else {
adapter.notifyDataSetChanged();
}
}
}
}
package adapter;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.List;
import bean.UserBean;
import bwie.com.xlistview.R;
/**
* Created by 我 on 2018/7/13.
*/
public class MyAdapter extends BaseAdapter{
private Context context;
private List<UserBean.DataBean> list;
private final int TYPE_0=0;
private final int TYPE_1=1;
public MyAdapter(Context context, List<UserBean.DataBean> list) {
this.context = context;
this.list = list;
}
@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 int getViewTypeCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
int p = position % 2;
if (p==0) {
return TYPE_0;
}else {
return TYPE_1;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder=null;
int type = getItemViewType(position);
if (convertView==null) {
if (type==0) {
convertView = View.inflate(context, R.layout.item_adapter, null);
holder = new ViewHolder();
holder.iv = (ImageView) convertView.findViewById(R.id.iv);
holder.text_title = (TextView) convertView.findViewById(R.id.text_title);
holder.text_phone = (TextView) convertView.findViewById(R.id.text_phone);
convertView.setTag(holder);
}else {
convertView = View.inflate(context, R.layout.item_adapter, null);
holder = new ViewHolder();
holder.text_title = (TextView) convertView.findViewById(R.id.text_title);
holder.text_phone = (TextView) convertView.findViewById(R.id.text_phone);
convertView.setTag(holder);
}
}else{
holder = (ViewHolder) convertView.getTag();
}
holder.text_title.setText(list.get(position).getTitle());
holder.text_phone.setText(list.get(position).getPhone());
if (type==0){
ImageLoader.getInstance().displayImage(list.get(position).getHeadImg(),holder.iv);
}
return convertView;
}
public class ViewHolder{
ImageView iv;
TextView text_title;
TextView text_phone;
}
}