xlistview多条目加滑动

依赖 image-loader gson 继承Appliaction
清单文件加 网络权限 App

//Main主函数
public class MainActivity extends AppCompatActivity {
private XListView xlist;
private MyBase adapter;
private int page=1;
private util ut=new util();
private String path2 = “http://www.zhaoapi.cn/quarter/getAd”;
private String path = “http://172.17.8.100/movieApi/movie/v1/findHotMovieList?count=%d&page=%d”;
private final int Load_count=10;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
xlist=findViewById(R.id.xlist);

    adapter=new MyBase(this);
    xlist.setAdapter(adapter);

    xlist.setPullLoadEnable(true);
    xlist.setPullRefreshEnable(true);

    xlist.setXListViewListener(new XListView.IXListViewListener() {
        @Override
        public void onRefresh() {
            page=1;
            load();
        }

        @Override
        public void onLoadMore() {
            page++;
            load();
        }
    });
    load();
}

private void load() {
    if (page==1){
        loads();
        loadbann();

    }else {
        loads();

    }
}

private void loadbann() {
    ut.setresult(path2,BanBean.class, new util.Callback<BanBean>() {
        @Override
        public void setsuccess(BanBean o) {
            adapter.setMban(o.getData());
        }
    });
}

private void loads() {
     ut.setresult(String.format(path,Load_count,page),NewBean.class, new util.Callback<NewBean>() {
         @Override
         public void setsuccess(NewBean o) {
             if (page==1){
                 adapter.setMnew(o.getResult());
             }else {
                 adapter.addNew(o.getResult());
             }
             xlist.stopLoadMore();
             xlist.stopRefresh();
             if (o.getResult().size()>Load_count){
                 xlist.setPullLoadEnable(false);
             }
         }
     });

}

}
//Mybase

class MyBase extends BaseAdapter {
private List<BanBean.DataBean> mban;
private List<NewBean.ResultBean> mnew;
private Context context;
private final int Count=2;
private final int xnew=0;
private final int xban=1;

public MyBase(Context context){
    this.context=context;
    mban=new ArrayList<>();
    mnew=new ArrayList<>();
}
public  void setMban(List<BanBean.DataBean> ban){
    mban.clear();
    if (ban!=null){
        mban.addAll(ban);
    }
    notifyDataSetChanged();
}
public void setMnew(List<NewBean.ResultBean> news){
    mnew.clear();
    if (news!=null){
        mnew.addAll(news);
    }
    notifyDataSetChanged();
}
//追加
public void addNew(List<NewBean.ResultBean> news){
    if (news!=null){
        mnew.addAll(news);
    }
    notifyDataSetChanged();
}
@Override
public int getCount() {
    return hassbann() ? mnew.size()+1 : mnew.size();
}
//判断是否有banner
public boolean hassbann(){
    return mban.size()>0;
}

@Override
public int getViewTypeCount() {
    return Count;
}

@Override
public int getItemViewType(int position) {
    return  position==0 & hassbann() ? xban : xnew;
}

@Override
public NewBean.ResultBean getItem(int position) {
    return mnew.get(hassbann() ? position-1 :position);
}

@Override
public long getItemId(int position) {
    return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if (getItemViewType(position)==xban){
        BanViewHolder holder;
        if (convertView==null){
            convertView=View.inflate(context,R.layout.banitem,null);
            holder=new BanViewHolder();
            holder.pager=convertView.findViewById(R.id.viewpager);
            convertView.setTag(holder);
        }else{
            holder= (BanViewHolder) convertView.getTag();
        }
   holder.getnew(context,mban);
    }else {
        NeViewHolder holder;
        if (convertView==null){
            convertView=View.inflate(context,R.layout.newitem,null);
            holder=new NeViewHolder();
            holder.image=convertView.findViewById(R.id.image);
            holder.text=convertView.findViewById(R.id.text);
            convertView.setTag(holder);
        }else{
            holder= (NeViewHolder) convertView.getTag();
        }
        holder.text.setText(getItem(position).getSummary());
        DisplayImageOptions options=new DisplayImageOptions.Builder().build();

        ImageLoader.getInstance().displayImage(getItem(position).getImageUrl(),holder.image,options);
    }

    return convertView;
}

class NeViewHolder{
    TextView text;
    ImageView image;
}

class BanViewHolder{
 ViewPager pager;
 private android.os.Handler handler=new Handler(){
     @Override
     public void handleMessage(Message msg) {
         pager.setCurrentItem(pager.getCurrentItem()+1);
         handler.sendEmptyMessageDelayed(0,2000);
     }
 };
    public void getnew(Context context, List<BanBean.DataBean> mban) {
        handler.removeCallbacksAndMessages(null);
        pager.setAdapter(new Bannadapter(mban,context));
       pager.setCurrentItem(pager.getAdapter().getCount()/2);
       handler.sendEmptyMessageDelayed(0,2000);
   }
}

}
//banadapter

class Bannadapter extends PagerAdapter {
private List<BanBean.DataBean> mban;
private Context context;
public Bannadapter(List<BanBean.DataBean> mban, Context context) {
  this.context=context;
  this.mban=mban;
}

    @Override
    public int getCount() {
        return 5000;
    }

    @Override
    public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
        return view==o;
    }

@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
    ImageView imageView=new ImageView(context);
    imageView.setScaleType(ImageView.ScaleType.FIT_XY);
    container.addView(imageView);
    ImageLoader.getInstance().displayImage(mban.get(position % mban.size()).getIconNoHttps(),imageView);
    return imageView;
}

@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
    container.removeView((View) object);
}

}
//banbean

	public class BanBean {

/**
 * msg :
 * code : 0
 * data : [{"aid":1,"createtime":"2017-12-26T21:49:44","icon":"https://www.zhaoapi.cn/images/quarter/ad1.png","productId":null,"title":"第十三界瑞丽模特大赛","type":0,"url":"http://m.mv14449315.icoc.bz/index.jsp"},{"aid":2,"createtime":"2017-12-26T21:49:44","icon":"https://www.zhaoapi.cn/images/quarter/ad2.png","productId":null,"title":"文化艺术节","type":0,"url":"http://m.mv14449315.icoc.bz/index.jsp"},{"aid":3,"createtime":"2017-12-26T21:49:44","icon":"https://www.zhaoapi.cn/images/quarter/ad3.png","productId":null,"title":"直播封面标准","type":0,"url":"http://m.mv14449315.icoc.bz/index.jsp"},{"aid":4,"createtime":"2017-12-26T21:49:44","icon":"https://www.zhaoapi.cn/images/quarter/ad4.png","productId":"1","title":"人气谁最高,金主谁最豪气","type":1,"url":""}]
 */

private List<DataBean> data;

public List<DataBean> getData() {
    return data;
}

public void setData(List<DataBean> data) {
    this.data = data;
}

public static class DataBean {
    /**
     * aid : 1
     * createtime : 2017-12-26T21:49:44
     * icon : https://www.zhaoapi.cn/images/quarter/ad1.png
     * productId : null
     * title : 第十三界瑞丽模特大赛
     * type : 0
     * url : http://m.mv14449315.icoc.bz/index.jsp
     */

    private String icon;
    private String title;
    private String url;

    public String getIcon() {
        return icon;
    }

    public void setIcon(String icon) {
        this.icon = icon;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }
    public String getIconNoHttps() {
        return icon.replace("https", "http");
    }
}

}
//uill

package com.example.lyy02;

import android.os.AsyncTask;

import com.google.gson.Gson;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class util {
    public interface Callback<T>{
        void setsuccess(T o);
    }

public static void setresult(final String path, final Class clazz, final Callback callback){
    new AsyncTask<String,Void,Object>(){
        @Override
        protected Object doInBackground(String... strings) {
            return setresult(path,clazz);
        }

        @Override
        protected void onPostExecute(Object o) {
            callback.setsuccess(o);
        }

    }.execute();

}

public static T setresult(String path,Class clazz){
String json = setresult(path);
Gson gson=new Gson();
T t = (T) gson.fromJson(json, clazz);
return t;
}

public static String setresult(String path){
    String result="";
    try {
        URL url=new URL(path);
        HttpURLConnection http= (HttpURLConnection) url.openConnection();
        int responseCode = http.getResponseCode();
        if (responseCode==200){
            result=Stirng2(http.getInputStream());
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return result;
}

private static String Stirng2(InputStream inputStream) throws IOException {
    InputStreamReader in=new InputStreamReader(inputStream);
    BufferedReader br=new BufferedReader(in);
    StringBuilder builder=new StringBuilder();
    for (String t=br.readLine();t!=null;t=br.readLine()){
        builder.append(t);
    }
    return builder.toString();
}

}
//app

public class App extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        DisplayImageOptions options=new DisplayImageOptions.Builder().build();
        ImageLoaderConfiguration configuration=new ImageLoaderConfiguration.Builder(this)

            .memoryCacheSizePercentage(10)
            .diskCacheSize(50*1024*1024)
            .defaultDisplayImageOptions(options)
            .build();
    ImageLoader.getInstance().init(configuration);
}

}

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转载自blog.csdn.net/LYx_LYy/article/details/83961008
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