xlistview+轮播图

package com.example.y700_15.kj3.ui.activity;

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

import com.example.y700_15.kj3.R;
import com.example.y700_15.kj3.model.BannerResponse;
import com.example.y700_15.kj3.model.NewsResponse;
import com.example.y700_15.kj3.ui.adaoter.ContentsAdapter;
import com.example.y700_15.kj3.utils.NetUtils;

import me.maxwin.view.XListView;

public class MainActivity extends AppCompatActivity {
private XListView xListView;
private int mpage;
private ContentsAdapter adapter;
private final int LOAD_COUNT = 10;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

    mpage = 1;
    //获取资源ID
    xListView = findViewById(R.id.xlistview);
    //设置适配器
    adapter = new ContentsAdapter(this);
    xListView.setAdapter(adapter);
    //设置启动加载
    xListView.setPullLoadEnable(true);
    xListView.setPullRefreshEnable(true);
    //设置监听
    xListView.setXListViewListener(new XListView.IXListViewListener() {
        //上拉刷新
        @Override
        public void onRefresh() {
            mpage = 1;
            loadData();
        }
        //下拉加载
        @Override
        public void onLoadMore() {
            mpage++;
            loadData();
        }
    });

    loadData();
}
//加载数据的方法
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) {
            adapter.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){
                adapter.setDatas(o.getResult());
            }else{
                adapter.addDatas(o.getResult());
            }

            //停止刷新加载
            xListView.stopRefresh();
            xListView.stopLoadMore();
            if (o.getResult().size() < LOAD_COUNT){
                xListView.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";

}

package com.example.y700_15.kj3.ui.adaoter;

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.y700_15.kj3.R;
import com.example.y700_15.kj3.model.BannerResponse;
import com.example.y700_15.kj3.model.NewsResponse;
import com.example.y700_15.kj3.ui.activity.MainActivity;
import com.nostra13.universalimageloader.core.ImageLoader;

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

public class ContentsAdapter extends BaseAdapter {
private List<BannerResponse.DataBean> mBanner;
private List<NewsResponse.ResultBean> mDatas;
private Context mcontext;

public ContentsAdapter(Context mcontext) {
    this.mcontext = mcontext;
    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 hasBanner()? mDatas.size()+1 : mDatas.size();
}

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 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){
            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 android.os.Handler mHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            viewPager.setCurrentItem(viewPager.getCurrentItem() + 1);
            mHandler.sendEmptyMessageDelayed(0,2000);
        }
    };

    public BannerViewHolder(View itemView){
        viewPager = itemView.findViewById(R.id.banner);
        itemView.setTag(this);
    }

    public void bindData(Context context,List<BannerResponse.DataBean> datas){
        //先取消掉切换任务
        mHandler.removeCallbacksAndMessages(null);
        viewPager.setAdapter(new MyBase(datas,context));

        viewPager.setCurrentItem(viewPager.getAdapter().getCount() / 2);

        //开始轮播
        mHandler.sendEmptyMessageDelayed(0,2000);
    }


}

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);
    }

}

}

package com.example.y700_15.kj3.ui.adaoter;

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.BaseAdapter;
import android.widget.ImageView;

import com.example.y700_15.kj3.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 MyBase extends PagerAdapter {
private List<BannerResponse.DataBean> mdatas;
private Context context;

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

@Override
public int getCount() {
    //无限
    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) {
    //创建Image
    ImageView imageView = new ImageView(context);
    //设置延伸
    imageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
    //添加到container
    container.addView(imageView);

    ImageLoader.getInstance().displayImage(mdatas.get(position % mdatas.size()).getIconNoHttps(), imageView);
    return imageView;
}

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

}

package com.example.y700_15.kj3.model;

import java.util.List;

public class BannerResponse {
private String msg;
private String code;
private List data;

public String getMsg() {
    return msg;
}

public void setMsg(String msg) {
    this.msg = msg;
}

public String getCode() {
    return code;
}

public void setCode(String code) {
    this.code = code;
}

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

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


public static class DataBean{
    private int aid;
    private String createtime;
    private String icon;
    private Object productId;
    private String title;
    private int type;
    private String url;

    public int getAid() {
        return aid;
    }

    public void setAid(int aid) {
        this.aid = aid;
    }

    public String getCreatetime() {
        return createtime;
    }

    public void setCreatetime(String createtime) {
        this.createtime = createtime;
    }

    public String getIcon() {
        return icon;
    }

    public String getIconNoHttps(){
        return icon.replace("https","http");
    }

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

    public Object getProductId() {
        return productId;
    }

    public void setProductId(Object productId) {
        this.productId = productId;
    }

    public String getTitle() {
        return title;
    }

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

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }
}

}

package com.example.y700_15.kj3.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;
    }
}

}

package com.example.y700_15.kj3.utils;

import android.annotation.SuppressLint;
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;
import java.net.URLConnection;

public class NetUtils {
private static NetUtils instance;
private Gson gson;
//创建gson
private NetUtils(){
gson = new Gson();
}

public static NetUtils getInstance() {
    if (instance == null){
        instance = new NetUtils();
    }
    return instance;
}
//创建接口
public interface Callback<T> {
    void onSuccess(T t);
}
//回调数据
@SuppressLint("StaticFieldLeak")
public void getRequest(final String urlstr, final Class clazz, final Callback callback){
    //异步
    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);
}

//将数据调取到gson
public <T> T getRequest(String urlstr, Class clazz){
    return (T) gson.fromJson(getRequest(urlstr),clazz);
}


//创建网络请求
public String getRequest(String urlStr){
    String result = "";

    try {
        URL url = new URL(urlStr);
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setReadTimeout(5000);
        urlConnection.setConnectTimeout(5000);
        int responseCode = urlConnection.getResponseCode();
        if (responseCode == 200){
            result = stream(urlConnection.getInputStream());
        }


    } catch (Exception e) {
        e.printStackTrace();
    }

    return result;
}
//将数据转为字符串
private String stream(InputStream inputStream) throws IOException{
    InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    StringBuilder stringBuilder = new StringBuilder();
    for (String tmp = bufferedReader.readLine(); tmp != null; tmp = bufferedReader.readLine()){
        stringBuilder.append(tmp);
    }
    return stringBuilder.toString();
}

}

package com.example.y700_15.kj3;

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;

public class App extends Application {
@Override
public void onCreate() {
super.onCreate();

    ImageLoader.getInstance().init(
            new ImageLoaderConfiguration.Builder(this)
            .diskCacheSize(50*1024*1024)
            .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()
    );

}

}

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

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

<application
    android:name=".App"
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".ui.activity.MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

<?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/xlistview"
    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>

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

<me.maxwin.view.XListView
    android:id="@+id/xlistview"
    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>

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

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

<ImageView
    android:id="@+id/icon"
    android:layout_width="140dp"
    android:layout_height="100dp"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintBottom_toBottomOf="parent"/>

<TextView
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:id="@+id/title"
    android:text="text"
    app:layout_constraintTop_toTopOf="@id/icon"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toLeftOf="@id/icon"
    />

<TextView
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:id="@+id/date"
    android:text="text"
    android:maxLines="3"
    app:layout_constraintBottom_toBottomOf="@id/icon"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toLeftOf="@id/icon"
    />

</android.support.constraint.ConstraintLayout>

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