XListView---ViewPager+条目

首先我们要加权限

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

app页面
package com.example.demo;
import android.app.Application;
import android.graphics.Bitmap;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;
import java.io.InputStream;
public class App extends Application {
@Override
public void onCreate() {
super.onCreate();
ImageLoader.getInstance().init(
new ImageLoaderConfiguration.Builder(this)
.diskCacheSize(5010241024)
.memoryCacheSizePercentage(13)
.defaultDisplayImageOptions(
new DisplayImageOptions.Builder()
.cacheInMemory(true)
.cacheOnDisk(true)
.bitmapConfig(Bitmap.Config.ARGB_4444)
.showImageOnLoading(R.mipmap.ic_launcher)
.showImageOnFail(R.mipmap.ic_launcher)
.showImageForEmptyUri(R.mipmap.ic_launcher)
.displayer(new RoundedBitmapDisplayer(16))
.build()
)
.build()
);
}
}

Utils页面

package com.example.demo.utils;

import android.content.Context;
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 NetUtils {

private static NetUtils instance;
private Gson gson;

private NetUtils() {
    gson = new Gson();
}

public static NetUtils getInstance() {
    if(instance == null) {
        instance = new NetUtils();
    }
    return instance;
}

public interface Callback<T> {
    void onSuccess(T t);
}

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

        @Override
        protected void onPostExecute(Object o) {
            callback.onSuccess(o);
        }
    }.execute(urlStr);
}

//是否有网络
public static boolean hasNetwork(Context context) {
    return true;
}

public <T> T getRequest(String urlStr, Class clazz) {
    return (T) gson.fromJson(getRequest(urlStr), clazz);
}

public String getRequest(String urlStr) {
    String result = "";

    try {
        URL url = new URL(urlStr);
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        //
        urlConnection.setConnectTimeout(5000);
        urlConnection.setReadTimeout(5000);
        int responseCode = urlConnection.getResponseCode();
        if(responseCode == 200) {
            result = stream2String(urlConnection.getInputStream());
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return result;
}

private String stream2String(InputStream is) throws IOException {
    StringBuilder sb = new StringBuilder();

    BufferedReader br = new BufferedReader(new InputStreamReader(is));
    for (String tmp = br.readLine(); tmp != null ; tmp = br.readLine()) {
        sb.append(tmp);
    }

    return sb.toString();
}

}

MainActivity页面

package com.example.demo.ui.activity;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import com.example.demo.R;
import com.example.demo.model.BannerResponse;
import com.example.demo.model.NewsResponse;
import com.example.demo.ui.adapter.ContentsAdapter;
import com.example.demo.utils.NetUtils;

import me.maxwin.view.XListView;

public class MainActivity extends AppCompatActivity {

private XListView contents;
private ContentsAdapter mAdapter;

private int mPage;
private final int LOAD_COUNT = 10;

@Override

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mPage = 1;

    contents = findViewById(R.id.contents);
    mAdapter = new ContentsAdapter(this);
    contents.setAdapter(mAdapter);
    contents.setPullRefreshEnable(true);
    contents.setPullLoadEnable(true);

    contents.setXListViewListener(new XListView.IXListViewListener() {
        @Override
        public void onRefresh() {
            mPage = 1;
            loadData();
        }

        @Override
        public void onLoadMore() {
            mPage++;
            loadData();
        }
    });

    loadData();
}

private void loadData() {
    if(mPage == 1) {
        loadBannerData();

        loadNesData();
    } else {
        loadNesData();
    }
}

private void loadBannerData() {
    NetUtils.getInstance().getRequest(bannerUrl, BannerResponse.class, new NetUtils.Callback<BannerResponse>() {
        @Override
        public void onSuccess(BannerResponse o) {
            mAdapter.setBanner(o.getData());
        }
    });
}

private void loadNesData() {
    NetUtils.getInstance().getRequest(String.format(newsUrl, LOAD_COUNT, mPage), NewsResponse.class, new NetUtils.Callback<NewsResponse>() {
        @Override
        public void onSuccess(NewsResponse o) {
            if(mPage == 1) {
                mAdapter.setDatas(o.getResult());
            } else {
                mAdapter.addDatas(o.getResult());
            }

            //停止刷新加载
            contents.stopRefresh();
            contents.stopLoadMore();
            if(o.getResult().size() < LOAD_COUNT) {
                contents.setPullLoadEnable(false);
            }
        }
    });
}

//banner url
private String bannerUrl = "http://www.zhaoapi.cn/quarter/getAd";
//news url
private String newsUrl = "http://172.17.8.100/movieApi/movie/v1/findHotMovieList?count=%d&page=%d";

}

BannerPagerAdapter页面

package com.example.demo.ui.adapter;

import android.content.Context;
import android.graphics.Bitmap;
import android.support.annotation.NonNull;
import android.support.v4.view.PagerAdapter;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.example.demo.model.BannerResponse;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;

import java.util.List;

public class BannerPagerAdapter extends PagerAdapter {

private List<BannerResponse.DataBean> mDatas;
private Context context;

public BannerPagerAdapter(List<BannerResponse.DataBean> mDatas, Context context) {
    this.mDatas = mDatas;
    this.context = context;
}

@Override
public int getCount() {
    //TODO 无限
    //return mDatas.size();
    return Integer.MAX_VALUE;
}

@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_CENTER);
    container.addView(imageView);

    ImageLoader.getInstance().displayImage(mDatas.get(position % mDatas.size()).getIconNoHttps(), imageView, null, new ImageLoadingListener() {
        @Override
        public void onLoadingStarted(String imageUri, View view) {
            Log.i("TEST", "start: " + imageUri);
        }

        @Override
        public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
            Log.i("TEST", "failed: " + imageUri);
        }

        @Override
        public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
            Log.i("TEST", "complete: " + imageUri);
        }

        @Override
        public void onLoadingCancelled(String imageUri, View view) {
            Log.i("TEST", "cancelled: " + imageUri);
        }
    });

    return imageView;
}

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

}
ContentsAdapter页面

package com.example.demo.ui.adapter;

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.example.demo.R;
import com.example.demo.model.BannerResponse;
import com.example.demo.model.NewsResponse;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.ArrayList;
import java.util.List;

public class ContentsAdapter extends BaseAdapter {

//banner数据
private List<BannerResponse.DataBean> mBanner;
private List<NewsResponse.ResultBean> mDatas;
private Context mContext;

public ContentsAdapter(Context context) {
    this.mContext = context;
    mBanner = new ArrayList<>();
    mDatas = new ArrayList<>();
}

//更新banner
public void setBanner(List<BannerResponse.DataBean> banner) {
    mBanner.clear();
    if (banner != null) {
        mBanner.addAll(banner);
    }
    notifyDataSetChanged();
}

//更新新闻数据
public void setDatas(List<NewsResponse.ResultBean> datas) {
    mDatas.clear();
    if(datas != null) {
        mDatas.addAll(datas);
    }
    notifyDataSetChanged();
}

//追加新闻数据
public void addDatas(List<NewsResponse.ResultBean> datas) {
    if(datas != null) {
        mDatas.addAll(datas);
    }
    notifyDataSetChanged();
}

@Override
public int getCount() {
    //return mDatas.size() + 1;
    return hasBanner() ? mDatas.size() + 1 : mDatas.size();
}

//是否有banner
private boolean hasBanner() {
    return mBanner.size() > 0;
}

@Override
public NewsResponse.ResultBean getItem(int position) {
    return mDatas.get(hasBanner() ? position - 1 : position);
}

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

private final int ITEM_COUNT = 2;
private final int BANNER_TYPE = 0;
private final int NEWS_TYPE = 1;

@Override
public int getViewTypeCount() {
    //banner + news
    return ITEM_COUNT;
}

@Override
public int getItemViewType(int position) {
    //return super.getItemViewType(position);
    return position == 0 && hasBanner() ? BANNER_TYPE : NEWS_TYPE;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if (getItemViewType(position) == BANNER_TYPE) {
        BannerViewHolder viewHolder;
        if (convertView == null) {
            convertView = LayoutInflater.from(mContext).inflate(R.layout.item_banner, parent, false);
            viewHolder = new BannerViewHolder(convertView);
        } else {
            viewHolder = (BannerViewHolder) convertView.getTag();
        }
        viewHolder.bindData(mContext, mBanner);
    } else {
        NewsViewHolder viewHolder;
        if (convertView == null) {
            convertView = LayoutInflater.from(mContext).inflate(R.layout.item_news, parent, false);
            viewHolder = new NewsViewHolder(convertView);
        } else {
            viewHolder = (NewsViewHolder) convertView.getTag();
        }
        viewHolder.bindData(getItem(position));
    }

    return convertView;
}

class BannerViewHolder {
    ViewPager viewPager;
    private Handler mHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
        }
    };
    public BannerViewHolder(View itemView) {
        viewPager = itemView.findViewById(R.id.banner);
        itemView.setTag(this);
    }
    public void bindData(Context context, List<BannerResponse.DataBean> datas) {
        viewPager.setAdapter(new BannerPagerAdapter(datas, context));
        //2147483648     10000000
        //让ViewPager位于中间
        //左右都伪无限轮播
        viewPager.setCurrentItem(Integer.MAX_VALUE / 2);
        //开始轮播
        mHandler.postDelayed(new NextPage(), 2000);
    }
    //轮播切换任务
    class NextPage implements Runnable {
        @Override
        public void run() {
            viewPager.setCurrentItem(viewPager.getCurrentItem() + 1);
            mHandler.postDelayed(new NextPage(), 2000);
        }
    }
}
class NewsViewHolder {
    ImageView icon;
    TextView title;
    TextView date;

    public NewsViewHolder(View itemView) {
        icon = itemView.findViewById(R.id.icon);
        title = itemView.findViewById(R.id.title);
        date = itemView.findViewById(R.id.date);
        itemView.setTag(this);
    }

    public void bindData(NewsResponse.ResultBean data) {
        title.setText(data.getName());
        date.setText(data.getSummary());
        ImageLoader.getInstance().displayImage(data.getImageUrl(), icon);
    }
}

}

activity-Main页面

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android=“http://schemas.android.com/apk/res/android”
xmlns:app=“http://schemas.android.com/apk/res-auto”
xmlns:tools=“http://schemas.android.com/tools”
android:layout_width=“match_parent”
android:layout_height=“match_parent”
tools:context=".ui.activity.MainActivity">

<me.maxwin.view.XListView
    android:id="@+id/contents"
    android:layout_width="0dp"
    android:layout_height="0dp"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

NewsResponse 页面
package com.example.demo.model;

import java.util.List;

public class NewsResponse {
private String message;
private String status;
private List result;

public String getMessage() {
    return message;
}

public void setMessage(String message) {
    this.message = message;
}

public String getStatus() {
    return status;
}

public void setStatus(String status) {
    this.status = status;
}

public List<ResultBean> getResult() {
    return result;
}

public void setResult(List<ResultBean> result) {
    this.result = result;
}

public static class ResultBean {
    private boolean followMovie;
    private int id;
    private String imageUrl;
    private String name;
    private int rank;
    private String summary;

    public boolean isFollowMovie() {
        return followMovie;
    }

    public void setFollowMovie(boolean followMovie) {
        this.followMovie = followMovie;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getImageUrl() {
        return imageUrl;
    }

    public void setImageUrl(String imageUrl) {
        this.imageUrl = imageUrl;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getRank() {
        return rank;
    }

    public void setRank(int rank) {
        this.rank = rank;
    }

    public String getSummary() {
        return summary;
    }

    public void setSummary(String summary) {
        this.summary = summary;
    }
}