复制即用,阅读即懂

需要注入依赖和网络权限ImageLoader的App

//Ok请求
    compile 'com.squareup.okhttp3:okhttp:3.9.1'
//Gson解析
     compile 'com.google.code.gson:gson:2.2.4'//EventBus传递
     compile 'org.greenrobot:eventbus:3.1.1'//ImageLoader
     compile files('libs/universal-image-loader-1.9.5.jar')

 

 

主布局头部布局加二级列表(activity_main)

 

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


    <ExpandableListView
        android:id="@+id/ex"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></ExpandableListView>

    <!--底部视图-->
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:layout_alignParentBottom="true"
        android:background="#F00">

        <CheckBox
            android:id="@+id/selectAll"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:layout_toRightOf="@id/selectAll"
            android:text="全选"
            android:textColor="#000"
            android:textSize="18sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="80dp"
            android:layout_toRightOf="@id/selectAll"
            android:text="总价:"
            android:textColor="#000"
            android:textSize="18sp" />

        <TextView
            android:id="@+id/price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="130dp"
            android:layout_toRightOf="@id/selectAll"
            android:text="0.0"
            android:textColor="#000"
            android:textSize="18sp" />


        <RelativeLayout
            android:layout_width="120dp"
            android:layout_height="match_parent"
            android:layout_alignParentRight="true"
            android:background="#FF0">


            <TextView
                android:id="@+id/count"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerInParent="true"
                android:text="个数"
                android:textColor="#000"
                android:textSize="18sp" />

        </RelativeLayout>

    </RelativeLayout>

</RelativeLayout>

 

商家店铺名称,一级标题布局(layout_group)

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <CheckBox
        android:id="@+id/checkGroup"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp" />

    <TextView
        android:id="@+id/storeName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="5dp"
        android:layout_toRightOf="@id/checkGroup"
        android:text="淘宝店铺名称"
        android:textColor="#000"
        android:textSize="20dp" />

</RelativeLayout>

商品列表,二级标题布局(layout_child)

 

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">


    <CheckBox
        android:id="@+id/checkChild"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_marginLeft="5dp"
        android:scaleX="0.6"
        android:scaleY="0.6" />

    <ImageView
        android:id="@+id/img"
        android:layout_width="70dp"
        android:layout_height="80dp"
        android:layout_centerVertical="true"
        android:layout_marginLeft="5dp"
        android:layout_toRightOf="@id/checkChild"
        android:background="@mipmap/ic_launcher" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="15dp"
        android:layout_toRightOf="@id/img"
        android:orientation="vertical">

        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="酒红色纯红色纯羊毛西服套装"
            android:textColor="@android:color/black"
            android:textSize="12sp"
            android:textStyle="bold" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="24dp"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/price"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="¥390"
                android:textColor="@android:color/holo_red_dark"
                android:textSize="12sp"
                android:textStyle="bold" />

            <LinearLayout
                android:id="@+id/rl_edit"
                android:layout_width="120dp"
                android:layout_height="30dp"
                android:layout_marginLeft="50dp"
                android:background="@android:color/holo_orange_light">

                <TextView
                    android:id="@+id/lessen"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_margin="1dp"
                    android:layout_weight="1"
                    android:background="@android:color/white"
                    android:gravity="center"
                    android:text=" - "
                    android:textColor="@android:color/black" />

                <TextView
                    android:id="@+id/count"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_margin="1dp"
                    android:layout_weight="1"
                    android:background="@android:color/white"
                    android:gravity="center"
                    android:text="1" />

                <TextView
                    android:id="@+id/add"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_margin="1dp"
                    android:layout_weight="1"
                    android:background="@android:color/white"
                    android:gravity="center"
                    android:text=" + " />
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>

    <Button
        android:id="@+id/btnDelete"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_alignParentRight="true"
        android:layout_centerVertical="true"
        android:layout_margin="5dp"
        android:background="@android:color/holo_blue_light"
        android:gravity="center"
        android:text="x"
        android:textColor="@android:color/holo_green_dark"
        android:textSize="20sp"
        android:visibility="visible" />

</RelativeLayout>

 

自定义拦截器(Intercept)

import java.io.IOException;

import okhttp3.HttpUrl;
import okhttp3.Interceptor;
import okhttp3.Request;
import okhttp3.Response;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public class Intercept implements Interceptor {
    @Override
    public Response intercept(Chain chain) throws IOException {
        Request original = chain.request();
        HttpUrl url=original.url().newBuilder()
                .addQueryParameter("source","android")
                .build();
        //添加请求头
        Request request = original.newBuilder()
                .url(url)
                .build();
        return chain.proceed(request);
    }
}

Ok封装的工具请求类(OKHttpUtils)

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */


import android.os.Handler;
import android.util.Log;

import java.io.IOException;
import java.util.Map;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;


/**
 * author:Created by WangZhiQiang on 2017/12/5.
 */


public class OKHttpUtils {
    private static OKHttpUtils okHttpUtils;
    private static Handler handler = new Handler();


    //私有化构造方法
    public OKHttpUtils() {


    }


    /**
     * 获取OKhttpClient实例化
     */
    public static OKHttpUtils getInstance() {
        if (null == okHttpUtils) {
            synchronized (OKHttpUtils.class) {
                if (null == okHttpUtils) {
                    okHttpUtils = new OKHttpUtils();
                }
            }
        }
        return okHttpUtils;
    }


    /**
     * 封装的异步Get请求
     */
    public void doGet(String path, Map<String, String> map, final IOkHttpUtils okHttpCallBack) {
        //创建一个字符串容器
        StringBuilder sb = null;
        if (map.size() == 0) {
            if (null == sb) {
                sb = new StringBuilder();
                sb.append(path);
            }
        } else {
            for (String key : map.keySet()) {
                if (null == sb) {
                    sb = new StringBuilder();
                    sb.append(path);
                    sb.append("?");
                } else {
                    sb.append("&");
                }
                sb.append(key).append("=").append(map.get(key));
            }
        }


        //System.out.println("分类 : "+path + sb.toString());

        OkHttpClient okHttpClient = new OkHttpClient.Builder()
                .addInterceptor(new Intercept())//使用拦截器
                .build();
        Request request = new Request.Builder()
                .url(sb.toString())
                .get()
                .build();
        //OKHttp 网络
        Call call = okHttpClient.newCall(request);
        //异步请求
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                //请求失败
                Log.e("SKN", "OK请求失败");
                okHttpCallBack.onFailed(e.getMessage());
            }


            @Override
            public void onResponse(Call call, final Response response) throws IOException {
                final String str = response.body().string();
                //请求成功
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Log.e("WWWW", "请求成功" + str);
                        okHttpCallBack.onSuccess(str);
                    }
                });
            }
        });
    }
}

Ok封装工具类的接口(IOkHttpUtils)

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

/**
 * author:Created by Androidon 2017/12/10.
 */

public interface IOkHttpUtils {

    void onSuccess(String str);

    void onFailed(String message);

}

ImageLoader工具封装类

import android.app.Application;

import com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */


public class ImageApp extends Application {

    @Override
    public void onCreate() {
        super.onCreate();
        ImageLoaderConfiguration config = new ImageLoaderConfiguration
                .Builder(this)
                .memoryCacheExtraOptions(480, 800) // max width, max height,即保存的每个缓存文件的最大长宽
                .threadPoolSize(5)//线程池内加载的数量
                .threadPriority(Thread.NORM_PRIORITY - 2)
                .denyCacheImageMultipleSizesInMemory()
                .memoryCache(new UsingFreqLimitedMemoryCache(2 * 1024 * 1024)) // You can pass your own memory cache implementation/你可以通过自己的内存缓存实现
                .memoryCacheSize(2 * 1024 * 1024)
                .tasksProcessingOrder(QueueProcessingType.LIFO)
                .defaultDisplayImageOptions(DisplayImageOptions.createSimple())
                .imageDownloader(new BaseImageDownloader(this, 5 * 1000, 30 * 1000)) // connectTimeout (5 s), readTimeout (30 s)超时时间
                .writeDebugLogs() // Remove for release app
                .build();//开始构建
        //初始化ImageLoader
        ImageLoader.getInstance().init(config);
    }
}

Json串的Bean类(JsonBean)

import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public class JsonBean {

    /**
     * msg : 请求成功
     * code : 0
     * data : [{"list":[{"bargainPrice":22.9,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":1,"pid":24,"price":288,"pscid":2,"selected":0,"sellerid":1,"subhead":"三只松鼠零食特惠,专区满99减50,满199减100,火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋"},{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":7,"pid":90,"price":1233,"pscid":112,"selected":0,"sellerid":1,"subhead":"针织针织闪闪闪亮你的眼","title":"维迩旎 2017秋冬新款长袖针织连衣裙韩版气质中长款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":99,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/4345173.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6037/35/2944615848/95178/6cd6cff0/594a3a10Na4ec7f39.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6607/258/1025744923/75738/da120a2d/594a3a12Ne3e6bc56.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6370/292/1057025420/64655/f87644e3/594a3a12N5b900606.jpg!q70.jpg","num":1,"pid":45,"price":2999,"pscid":39,"selected":0,"sellerid":1,"subhead":"高清双摄,就是清晰!2000+1600万高清摄像头,6GB大内存+高通骁龙835处理器,性能怪兽!","title":"一加手机5 (A5000) 6GB+64GB 月岩灰 全网通 双卡双待 移动联通电信4G手机"},{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg","num":1,"pid":57,"price":5199,"pscid":40,"selected":0,"sellerid":1,"subhead":"【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统","title":"小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10)银\r\n"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":1,"pid":91,"price":1344,"pscid":112,"selected":0,"sellerid":2,"subhead":"针织针织闪闪闪亮你的眼","title":"维迩旎 2017秋冬新款长袖针织连衣裙韩版气质中长款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/5025518.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8830/106/1760940277/195595/5cf9412f/59bf2ef5N5ab7dc16.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5428/70/1520969931/274676/b644dd0d/591128e7Nd2f70da0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5566/365/1519564203/36911/620c750c/591128eaN54ac3363.jpg!q70.jpg","num":1,"pid":58,"price":6399,"pscid":40,"selected":0,"sellerid":2,"subhead":"升级4G大显存!Nvme协议Pcie SSD,速度快人一步】GTX1050Ti就选拯救者!专业游戏键盘&新模具全新设计!","title":"联想(Lenovo)拯救者R720 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 1T+128G SSD GTX1050Ti 4G IPS 黑)"}],"sellerName":"商家2","sellerid":"2"}]
     */

    private String msg;
    private String code;
    private List<DataBean> 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 {

        public boolean isChecked() {
            return checked;
        }

        public void setChecked(boolean checked) {
            this.checked = checked;
        }
        /**
         * list : [{"bargainPrice":22.9,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":1,"pid":24,"price":288,"pscid":2,"selected":0,"sellerid":1,"subhead":"三只松鼠零食特惠,专区满99减50,满199减100,火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋"},{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":7,"pid":90,"price":1233,"pscid":112,"selected":0,"sellerid":1,"subhead":"针织针织闪闪闪亮你的眼","title":"维迩旎 2017秋冬新款长袖针织连衣裙韩版气质中长款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":99,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/4345173.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6037/35/2944615848/95178/6cd6cff0/594a3a10Na4ec7f39.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6607/258/1025744923/75738/da120a2d/594a3a12Ne3e6bc56.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6370/292/1057025420/64655/f87644e3/594a3a12N5b900606.jpg!q70.jpg","num":1,"pid":45,"price":2999,"pscid":39,"selected":0,"sellerid":1,"subhead":"高清双摄,就是清晰!2000+1600万高清摄像头,6GB大内存+高通骁龙835处理器,性能怪兽!","title":"一加手机5 (A5000) 6GB+64GB 月岩灰 全网通 双卡双待 移动联通电信4G手机"},{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg","num":1,"pid":57,"price":5199,"pscid":40,"selected":0,"sellerid":1,"subhead":"【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统","title":"小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10)银\r\n"}]
         * sellerName : 商家1
         * sellerid : 1
         */


        private boolean checked;
        private String sellerName;
        private String sellerid;
        private List<ListBean> list;

        public String getSellerName() {
            return sellerName;
        }

        public void setSellerName(String sellerName) {
            this.sellerName = sellerName;
        }

        public String getSellerid() {
            return sellerid;
        }

        public void setSellerid(String sellerid) {
            this.sellerid = sellerid;
        }

        public List<ListBean> getList() {
            return list;
        }

        public void setList(List<ListBean> list) {
            this.list = list;
        }

        public static class ListBean {

            public boolean isChecked() {
                return checked;
            }

            public void setChecked(boolean checked) {
                this.checked = checked;
            }
            /**
             * bargainPrice : 22.9
             * createtime : 2017-10-14T21:48:08
             * detailUrl : https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends
             * images : https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg
             * num : 1
             * pid : 24
             * price : 288.0
             * pscid : 2
             * selected : 0
             * sellerid : 1
             * subhead : 三只松鼠零食特惠,专区满99减50,满199减100,火速抢购》
             * title : 三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋
             */


            private boolean checked;
            private double bargainPrice;
            private String createtime;
            private String detailUrl;
            private String images;
            private int num;
            private int pid;
            private double price;
            private int pscid;
            private int selected;
            private int sellerid;
            private String subhead;
            private String title;

            public double getBargainPrice() {
                return bargainPrice;
            }

            public void setBargainPrice(double bargainPrice) {
                this.bargainPrice = bargainPrice;
            }

            public String getCreatetime() {
                return createtime;
            }

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

            public String getDetailUrl() {
                return detailUrl;
            }

            public void setDetailUrl(String detailUrl) {
                this.detailUrl = detailUrl;
            }

            public String getImages() {
                return images;
            }

            public void setImages(String images) {
                this.images = images;
            }

            public int getNum() {
                return num;
            }

            public void setNum(int num) {
                this.num = num;
            }

            public int getPid() {
                return pid;
            }

            public void setPid(int pid) {
                this.pid = pid;
            }

            public double getPrice() {
                return price;
            }

            public void setPrice(double price) {
                this.price = price;
            }

            public int getPscid() {
                return pscid;
            }

            public void setPscid(int pscid) {
                this.pscid = pscid;
            }

            public int getSelected() {
                return selected;
            }

            public void setSelected(int selected) {
                this.selected = selected;
            }

            public int getSellerid() {
                return sellerid;
            }

            public void setSellerid(int sellerid) {
                this.sellerid = sellerid;
            }

            public String getSubhead() {
                return subhead;
            }

            public void setSubhead(String subhead) {
                this.subhead = subhead;
            }

            public String getTitle() {
                return title;
            }

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

 

主布局(MainActivity)

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;

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

public class MainActivity extends AppCompatActivity implements IShopCarPresenter {

    private ExpandableListView ex;
    private CheckBox selectAll;
    private TextView price;
    private TextView count;
    private ShopCarPresenter shopCarPresenter;
    private int uid = 3384;
    private List<JsonBean.DataBean> groupList = new ArrayList<>();
    private List<List<JsonBean.DataBean.ListBean>> childList = new ArrayList<>();
    private MyExAdapter myAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();//初始化视图
        /**
         * 用于传控件,
         * 需要导入依赖才可以进行传送
         */
        EventBus.getDefault().register(this);        //全选/全不选
        selectAll.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //设置全选
                myAdapter.changeAllListCbState(selectAll.isChecked());
            }
        });
    }

    //每次进这个页面都要甩你
    @Override
    protected void onResume() {
        super.onResume();
        initData();//初始化数据
    }

    //初始化数据
    private void initData() {
        //实例化P层
        shopCarPresenter = new ShopCarPresenter(this);
        shopCarPresenter.receive(uid + "");
    }

    //初始化集合
    private void initView() {
        ex = (ExpandableListView) findViewById(R.id.ex);//二级列表
        selectAll = (CheckBox) findViewById(R.id.selectAll);//全选按钮
        price = (TextView) findViewById(R.id.price);//价格
        count = (TextView) findViewById(R.id.count);//数量
    }

    @Override
    public void onSuccess(List<JsonBean.DataBean> data) {
        //清空一下多余的列表展示
        groupList.clear();
        childList.clear();
        //将商家的数据加入到大集合grouList
        groupList.addAll(data);
        //将商家下商品的数据全部添加到小集合childList
        for (int i = 0; i < data.size(); i++) {
            List<JsonBean.DataBean.ListBean> list = data.get(i).getList();
            childList.add(list);
        }
        /**
         * 配置适配器
         * 将商家的大集合和商家下的商品小集合全部传到适配器
         */
        myAdapter = new MyExAdapter(MainActivity.this, groupList, childList);
        ex.setAdapter(myAdapter);
        //二级列表默认展开
        for (int i = 0; i < data.size(); i++) {
            ex.expandGroup(i);//二级列表自带的方法
        }
        //刷新一下适配器
        myAdapter.notifyDataSetChanged();
    }

    @Override
    public void onFailed() {

    }
    @Subscribe
    public void onMessageEvent(MessageEvent event) {
        selectAll.setChecked(event.isCheckd());
    }

    //计算总价和总数量
    @Subscribe
    public void onMessageEven(PriceAndCountEvent event) {
        price.setText(event.getPrice() + ".00");
        count.setText("(" + event.getCount() + ")");
    }
}

P层(ShopCarPresenter)

 

 

import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public class ShopCarPresenter implements IShopCarModel {

    private ShopCarModel shopCarModel;
    private IShopCarPresenter iShopCarPresenter;

    public ShopCarPresenter(IShopCarPresenter iShopCarPresenter) {
        this.iShopCarPresenter = iShopCarPresenter;
        shopCarModel = new ShopCarModel();
    }

    public void receive(String uid) {
        shopCarModel.receive(uid,this);
    }

    @Override
    public void onSuccess(List<JsonBean.DataBean> data) {
        iShopCarPresenter.onSuccess(data);
    }

    @Override
    public void onFailed() {
        iShopCarPresenter.onFailed();
    }
}

M层(ShopCarModel)

 

 

import com.google.gson.Gson;

import java.util.HashMap;
import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public class ShopCarModel {

    public void receive(String uid, final IShopCarModel iShopCarModel) {
        OKHttpUtils instance = OKHttpUtils.getInstance();
        HashMap<String, String> hashMap = new HashMap<>();
        hashMap.put("uid",uid);
        instance.doGet("http://120.27.23.105/product/getCarts", hashMap, new IOkHttpUtils() {
            @Override
            public void onSuccess(String str) {
                if(str!=null){
                    Gson gson = new Gson();
                    JsonBean jsonBean = gson.fromJson(str, JsonBean.class);
                    if(jsonBean!=null){
                        List<JsonBean.DataBean> data = jsonBean.getData();
                        iShopCarModel.onSuccess(data);
                    }
                }
            }

            @Override
            public void onFailed(String message) {
                iShopCarModel.onFailed();
            }
        });
    }

}

M层传值的接口(IShopCarModel)

 

import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public interface IShopCarModel {

    void onSuccess(List<JsonBean.DataBean> data);

    void onFailed();

}

P层传值的接口(IShopCarPresenter)

 

import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public interface IShopCarPresenter {

    void onSuccess(List<JsonBean.DataBean> data);

    void onFailed();

}

Event用于在适配器和Activity之间传送接收控件的适配器(MessageEvent)

 

 

/**
 * Created by HASEE on 2017/11/22.
 */

public class MessageEvent {
    private boolean checkd;
    public boolean isCheckd(){
        return checkd;
    }
    public void  setCheckd(boolean checkd){
        this.checkd=checkd;
    }
}

计算选中数量和价格的适配器(PriceAndCountEvent)

 

/**
 * Created by HASEE on 2017/11/22.
 */

public class PriceAndCountEvent {
    private int price;
    private int count;
    private int to;

    public int getPrice() {
        return price;
    }

    public int getCount() {
        return count;
    }

    public int getTo(){
        return  to;
    }

    public void setPrice(int price) {
        this.price = price;
    }

    public void setCount(int count) {
        this.count = count;
    }

    public void setTo(int to) {
        this.to = to;
    }
}

ExpandAbleListView二级列表的适配器(MyExAdapter)

 

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;

import com.nostra13.universalimageloader.core.ImageLoader;

import org.greenrobot.eventbus.EventBus;

import java.util.List;

/**
 * author:Created by ZhangPengFei on 2017/12/19.
 */

public class MyExAdapter extends BaseExpandableListAdapter {

    private Context context;
    private List<JsonBean.DataBean> groupList;
    private List<List<JsonBean.DataBean.ListBean>> childList;

    public MyExAdapter(Context context, List<JsonBean.DataBean> groupList, List<List<JsonBean.DataBean.ListBean>> childList) {
        this.context = context;
        this.groupList = groupList;
        this.childList = childList;
    }

    @Override
    public int getGroupCount() {
        return groupList.size();
    }

    @Override
    public int getChildrenCount(int i) {
        return childList.get(i).size();
    }

    @Override
    public Object getGroup(int i) {
        return groupList.get(i);
    }

    @Override
    public Object getChild(int i, int i1) {
        return childList.get(i).get(i1);
    }

    @Override
    public long getGroupId(int i) {
        return i;
    }

    @Override
    public long getChildId(int i, int i1) {
        return i1;
    }

    @Override
    public boolean hasStableIds() {
        return false;
    }

    /**
     * 装载一级列表数据
     * 商家的全选框
     * 商家名称
     */
    class ViewHolder {
        CheckBox checkGroup;
        TextView storeName;
    }

    @Override
    public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
        final ViewHolder holder;
        if (view == null) {
            holder = new ViewHolder();
            view = View.inflate(context, R.layout.layout_group, null);
            holder.checkGroup = view.findViewById(R.id.checkGroup);
            holder.storeName = view.findViewById(R.id.storeName);
            view.setTag(holder);
        } else {
            holder = (ViewHolder) view.getTag();
        }
        holder.storeName.setText(groupList.get(i).getSellerName());
        //设置以及列表的点击状态
        holder.checkGroup.setChecked(groupList.get(i).isChecked());
        //一级列表checkBox的点击事件
        holder.checkGroup.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //判断一级列表复选框的状态,设置为true或false
                groupList.get(i).setChecked(holder.checkGroup.isChecked());
                //改变二级checkBox的状态
                changeChildState(i, holder.checkGroup.isChecked());
                //算钱
                EventBus.getDefault().post(computer());
                //改变全选状态   isAllGroupCbSelect判断一级是否全部选中
                changeAllState(isAllGroupSelect());
                //必刷新
                notifyDataSetChanged();
            }
        });
        return view;
    }

    /**
     * 装载数据
     * 装载当前店铺下的
     * 要展示的商品
     */
    class ViewHolder1 {
        CheckBox checkChild;
        ImageView img;
        TextView title;
        TextView price;
        TextView lessen;
        TextView count;
        TextView add;
        Button btnDelete;
    }

    @Override
    public View getChildView(final int i, int i1, boolean b, View view, ViewGroup viewGroup) {
        final JsonBean.DataBean.ListBean bean = childList.get(i).get(i1);
        final ViewHolder1 holder1;
        /**
         * 优化,判断为空
         */
        if (view == null) {
            holder1 = new ViewHolder1();
            //获取视图
            view = View.inflate(context, R.layout.layout_child, null);
            /**
             * 获取ID
             */
            holder1.checkChild = view.findViewById(R.id.checkChild);//选框
            holder1.img = view.findViewById(R.id.img);//图片
            holder1.title = view.findViewById(R.id.title);//标题
            holder1.price = view.findViewById(R.id.price);//价格
            holder1.lessen = view.findViewById(R.id.lessen);//减
            holder1.count = view.findViewById(R.id.count);//数量
            holder1.add = view.findViewById(R.id.add);//加
            holder1.btnDelete = view.findViewById(R.id.btnDelete);//删除的按钮
            view.setTag(holder1);
        } else {
            holder1 = (ViewHolder1) view.getTag();
        }
        ImageLoader.getInstance().displayImage(bean.getImages(), holder1.img);
        holder1.title.setText(bean.getTitle());
        holder1.price.setText(bean.getPrice() + "");
        holder1.count.setText(bean.getNum() + "");
        //设置二级列表checkbox的属性
        holder1.checkChild.setChecked(childList.get(i).get(i1).isChecked());
        //二级列表的点击事件
        holder1.checkChild.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //设置该条目中的checkbox属性值
                bean.setChecked(holder1.checkChild.isChecked());
                //计算价钱
                PriceAndCountEvent priceAndCountEvent = computer();
                EventBus.getDefault().post(priceAndCountEvent);
                //判断当前checkbox是选中的状态
                if (holder1.checkChild.isChecked()) {
                    //如果全部选中(isAllChildCbSelected)
                    if (isAllChildCbSelected(i)) {
                        //改变一级列表的状态
                        changeGroupState(i, true);
                        //改变全选的状态
                        changeAllState(isAllGroupSelect());
                    }
                } else {
                    //如果没有全部选中,一级列表的checkbox为false不为选中
                    changeGroupState(i, false);
                    changeAllState(isAllGroupSelect());
                }
                notifyDataSetChanged();
            }
        });//加号
        holder1.add.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                int num = bean.getNum();
                //num为int类型所以要加空字符串
                holder1.count.setText(++num + "");
                bean.setNum(num);
                //如果二级列表的checkbox为选中,计算价钱
                if (holder1.checkChild.isChecked()) {
                    PriceAndCountEvent priceAndCountEvent = computer();
                    EventBus.getDefault().post(priceAndCountEvent);
                }
            }
        });
        //减号
        holder1.lessen.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                int num = bean.getNum();
                if (num == 1) {
                    return;
                }
                holder1.count.setText(--num + "");
                bean.setNum(num);
                if (holder1.checkChild.isChecked()) {
                    PriceAndCountEvent priceAndCountEvent = computer();
                    EventBus.getDefault().post(priceAndCountEvent);
                }
            }
        });
        return view;
    }

    @Override
    public boolean isChildSelectable(int i, int i1) {
        return false;
    }

    //改变二级列表的checkBox的状态,如果一级选中,控制二级也选中
    private void changeChildState(int i, boolean flag) {
        List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
        for (int j = 0; j < listBeen.size(); j++) {
            JsonBean.DataBean.ListBean listBean = listBeen.get(j);
            listBean.setChecked(flag);
        }
    }

    //判断一级列表是否全部选中
    public boolean isAllGroupSelect() {
        for (int i = 0; i < childList.size(); i++) {
            JsonBean.DataBean dataBean = groupList.get(i);
            if (!dataBean.isChecked()) {
                return false;
            }
        }
        return true;
    }

    //改变全选的状态
    private void changeAllState(boolean flag) {
        //导入的类
        MessageEvent messageEvent = new MessageEvent();
        messageEvent.setCheckd(flag);
        EventBus.getDefault().post(messageEvent);
    }

    //改变列表的checkBox的状态
    private void changeGroupState(int i,boolean flag){
        JsonBean.DataBean dataBean = groupList.get(i);
        dataBean.setChecked(flag);
    }


    //判断二级列表是否全部选中
    private boolean isAllChildCbSelected(int i) {
        List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
        for (int j = 0; j < listBeen.size(); j++) {
            JsonBean.DataBean.ListBean listBean = listBeen.get(j);
            if (!listBean.isChecked()) {
                return false;
            }
        }
        return true;
    }

    //设置全选,反选
    public void changeAllListCbState(boolean flag) {
        for (int i = 0; i < childList.size(); i++) {
            changeGroupState(i, flag);
            changeChildState(i, flag);
        }
        //算钱
        EventBus.getDefault().post(computer());
        notifyDataSetChanged();
    }

    //计算列表的价钱
    private PriceAndCountEvent computer() {
        int count = 0;
        int price = 0;
        int to = 0;
        for (int i = 0; i < childList.size(); i++) {
            List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
            for (int j = 0; j < listBeen.size(); j++) {
                JsonBean.DataBean.ListBean listBean = listBeen.get(j);
                if (listBean.isChecked()) {
                    price += listBean.getNum() * listBean.getPrice();
                    count += listBean.getNum();
                    to += listBean.getNum();
                }
            }
        }
        PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
        priceAndCountEvent.setCount(count);
        priceAndCountEvent.setPrice(price);
        priceAndCountEvent.setTo(to);
        return priceAndCountEvent;
    }

}

如果JsonBean类里面没有isCheck的有参需要手动添加

 

 

//放入DateBean

        private boolean checked;
public boolean isChecked() {
            return checked;
        }

        public void setChecked(boolean checked) {
            this.checked = checked;
        }
		
//放入ListBean

            private boolean checked;
public boolean isChecked() {
                return checked;
            }

            public void setChecked(boolean checked) {
                this.checked = checked;
            }