购物车二级列表演示

最新推荐文章于 2022-11-16 15:05:21 发布

wuhaowu

最新推荐文章于 2022-11-16 15:05:21 发布

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本文链接：https://blog.youkuaiyun.com/qq_40072304/article/details/78846467

版权

设置点击进入购物车之后的代码

首先添加依赖

compile 'com.github.bumptech.glide:glide:3.5.2'
compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'
compile 'com.google.code.gson:gson:2.8.2'
compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
compile 'org.greenrobot:eventbus:3.1.1'

//添加权限

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.CAMERA" />

Main2Activity布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <LinearLayout
        android:id="@+id/top_bar"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="#f7f7f7"
        android:orientation="vertical"
        >
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:background="@android:color/transparent"
            android:orientation="vertical" >

            <ImageView
                android:id="@+id/back"
                android:layout_width="48dp"
                android:layout_height="48dp"
                android:layout_alignParentLeft="true"
                android:layout_gravity="center_vertical"
                android:padding="12dp"
                android:src="@drawable/back" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:minHeight="48dp"
                android:text="购物车"
                android:textColor="#1a1a1a"
                android:textSize="16sp" />

            <TextView
                android:id="@+id/edit"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentRight="true"
                android:layout_marginRight="40dp"
                android:gravity="center"
                android:minHeight="48dp"
                android:text="编辑"
                android:textColor="#1a1a1a"
                android:textSize="14sp"
                android:visibility="visible" />
        </RelativeLayout>

    </LinearLayout>
    <ExpandableListView
        android:id="@+id/exListView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:childIndicator="@null"
        android:groupIndicator="@null" >
    </ExpandableListView>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        >
    <CheckBox
        android:id="@+id/all_chekbox"
        android:layout_marginLeft="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="全选"/>

        <LinearLayout
            android:id="@+id/ll_info"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="4"
            >
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:layout_marginRight="20dp"
                android:layout_weight="1"
                >
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal"
                    android:gravity="right"
                    >
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="5dp"
                        android:text="合计:"
                        android:textSize="18sp"
                        android:textStyle="bold" />

                    <TextView
                        android:id="@+id/total_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="￥0.00"
                        android:textColor="#f23232"
                        android:textSize="16sp"
                        android:textStyle="bold" />
                </LinearLayout>
                <TextView
                    android:id="@+id/total_number"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="共有商品:0件"
                    android:gravity="right"
                    android:textSize="16sp"
                    android:textStyle="bold" />
            </LinearLayout>
            <TextView
                android:id="@+id/tv_go_to_pay"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="3"
                android:background="#fd7a05"
                android:clickable="true"
                android:gravity="center"
                android:text="结算"
                android:textColor="#FAFAFA"

                />

        </LinearLayout>

    </LinearLayout>



</LinearLayout>

edit.xml设置在drawable文件夹下用来设置EditText背景

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#FFFFFF" />
    <!--<corners android:radius="3dip"/>-->
    <stroke
        android:width="1dip"
        android:color="#BDC7D8" />
</shape>

values下的attrs.xml方法

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="AddDeleteViewStyle">
        <attr name="left_text" format="string"></attr>
        <attr name="right_text" format="string"></attr>
        <attr name="middle_text" format="string"></attr>
        <attr name="left_text_color" format="color"></attr>
    </declare-styleable>

</resources>

//一级列表布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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">
    <CheckBox
        android:id="@+id/child_checkbox"
        android:layout_marginTop="50dp"
        android:layout_marginLeft="20dp"
        android:layout_marginBottom="50dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"

        />
    <RelativeLayout
        android:layout_marginLeft="20dp"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:id="@+id/shop_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentStart="true"
            android:layout_marginLeft="17dp"
            android:layout_marginStart="17dp"
            android:text="TextView"
            android:layout_alignParentTop="true"
            />
        <ImageView
            android:id="@+id/shop_img"
            android:layout_width="90dp"
            android:layout_height="90dp"
            android:layout_marginTop="30dp"
            app:srcCompat="@mipmap/ic_launcher"
            android:layout_below="@+id/shop_name"
            android:layout_alignParentLeft="true"
            android:layout_alignParentStart="true" />

        <TextView
            android:id="@+id/shop_price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignTop="@+id/shop_img"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="10dp"
            android:text="￥20"
            android:textColor="#f23232"/>
        <wuhao.bwei.com.wuhaoshopunderstand.AddDeleteView
            android:id="@+id/adv"
            android:layout_width="160dp"
            android:layout_height="30dp"
            android:layout_below="@+id/shop_price"
            android:layout_marginTop="30dp"
            android:layout_marginLeft="140dp"
            app:left_text="-"
            app:right_text="+"
            app:middle_text="1"
            android:focusable="false"

            >


        </wuhao.bwei.com.wuhaoshopunderstand.AddDeleteView>
        <Button
            android:id="@+id/shop_delete"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:visibility="invisible"
            android:text="删除" />

    </RelativeLayout>



</LinearLayout>

二级列表布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <CheckBox
        android:id="@+id/group_checkbox"
        android:layout_marginLeft="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:focusable="false"/>

    <TextView
        android:id="@+id/shop_name"
        android:layout_marginLeft="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16dp" />
</LinearLayout>

加减器

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:weightSum="1">

    <TextView
        android:id="@+id/txt_delete"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:text="减"
        android:gravity="center"
        android:background="#8b948b"/>

    <EditText
        android:id="@+id/et_number"
        android:layout_marginTop="2dp"
        android:layout_width="50dp"
        android:layout_height="30dp"
        android:background="@drawable/edit"
        android:layout_weight="0.00"
        android:gravity="center"
        android:text="1"/>
    <TextView
        android:id="@+id/txt_add"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:text="加"
        android:gravity="center"
        android:background="#8b948b"/>


</LinearLayout>

AddDeleteView设置自定义view

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * Created by alienware on 2017/12/18.
 */

public class AddDeleteView extends LinearLayout{

    private OnAddDelClickListener listener;
    private EditText etNumber;

    //对外提供一个点击的回调接口
    public interface OnAddDelClickListener{
        void onAddClick(View v);
        void onDelClick(View v);
    }

    public void setOnAddDelClickListener(OnAddDelClickListener listener){
        if(listener!=null){
            this.listener=listener;
        }
    }

    public AddDeleteView(Context context) {
        this(context,null);
    }

    public AddDeleteView(Context context, AttributeSet attrs) {
        this(context, attrs,0);
    }

    public AddDeleteView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        initView(context, attrs, defStyleAttr);
    }

    private void initView(Context context, AttributeSet attrs, int defStyleAttr) {
        View.inflate(context,R.layout.layout_add_delete,this);

        //获取控件
        TextView txtDelete=findViewById(R.id.txt_delete);
        TextView txtAdd=findViewById(R.id.txt_add);
        etNumber = findViewById(R.id.et_number);


        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.AddDeleteViewStyle);

        String leftText = typedArray.getString(R.styleable.AddDeleteViewStyle_left_text);
        String rightText = typedArray.getString(R.styleable.AddDeleteViewStyle_right_text);
        String middleText = typedArray.getString(R.styleable.AddDeleteViewStyle_middle_text);
        int color = typedArray.getColor(R.styleable.AddDeleteViewStyle_left_text_color, Color.RED);

        txtDelete.setText(leftText);
        txtAdd.setText(rightText);
        etNumber.setText(middleText);
        txtDelete.setTextColor(color);

        //回收
        typedArray.recycle();


        txtDelete.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                listener.onDelClick(view);
            }
        });

        txtAdd.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                listener.onAddClick(view);
            }
        });

    }
    //对外提供一个修改数字的方法
    public void setNumber(int number){
        if(number>0){
            etNumber.setText(number+"");
        }
    }
    //对外提供一个获取当前数字的方法
    public int getNumber(){
        String string = etNumber.getText().toString();
        int i = Integer.parseInt(string);
        return i;
    }

}

utils包下的GsonUtils

public class GsonUtils {
    private static Gson gson;

    public static  Gson getInstance(){
        if(gson==null){
            gson = new Gson();
        }
        return gson;
    }


}

View层定义两个接口

1.CallBack

public interface CallBack {
    void onSuccess(String tag,Object o);
    void onFailed(String tag,Exception e);

}

2.INewView

public interface INewView {
    //创建接口
    void success(String tag,Object o);
    void failed(String tag,Exception e);
}

model层

public class HttpUtils {
    private static final String TAG = "HttpUtils";
    private static HttpUtils instance;
    Handler handler = new Handler();

    public HttpUtils(){
    }

    public static HttpUtils getInstance(){
        if(null==instance){
            synchronized (HttpUtils.class){
                if(instance==null){
                    instance = new HttpUtils();
                }

            }

        }
        return instance;

    }
    //重写get请求
    public void get(String url, Map<String,String> map, final CallBack callback, final Class cla, final String tag){
        if(TextUtils.isEmpty(url)){
            return;
        }

        StringBuffer sb = new StringBuffer();
        sb.append(url);

        if(!map.isEmpty()){
            Log.i(TAG, "get: url="+"开始拼接+++++++++++++++++");
            if(url.contains("?")){
                if(url.indexOf("?")==url.length()-1){
                }else{
                    sb.append("&");
                }

            }else{
                sb.append("?");
            }
            for(Map.Entry<String,String> entry:map.entrySet()){
                sb.append(entry.getKey())
                        .append("=")
                        .append(entry.getValue())
                        .append("&");
            }
            if(sb.indexOf("&")!=-1){
                sb.deleteCharAt(sb.lastIndexOf("&"));
            }

        }
        Log.i(TAG, "get: url="+sb);
        OkHttpClient client = new OkHttpClient.Builder().build();

        final Request request = new Request.Builder()
                .get()
                .url(sb.toString())
                .build();
        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                //失败
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        callback.onFailed(tag,e);
                    }
                });

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String result = response.body().string();
                Log.e(TAG, "onResponse: result--"+result);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Object o;
                        if (TextUtils.isEmpty(result)) {
                            o = null;
                        } else {
                            o = GsonUtils.getInstance().fromJson(result, cla);
                        }
                        //Log.e(TAG, "onResponse: bean--"+);
                        callback.onSuccess(tag,o);
                    }
                });

            }
        });




    }


}

P层

public class NewsPresenter {
    private static final String TAG = "NewsPresenter";
    private INewView inv;
    public void attachView(INewView inv){
        this.inv=inv;
    }

    public void get(String url, Map<String, String> map, String tag, Class cla){

        HttpUtils.getInstance().get(url, map, new CallBack() {

            @Override
            public void onSuccess(String tag, Object o) {
                if(o!=null){
                    inv.success(tag,o);
                    //Log.i(TAG, "onSuccess:++++++++++++++++++++++++ "+gridSudokuBeanData.toString());
                }
            }

            @Override
            public void onFailed(String tag, Exception e) {
                inv.failed(tag,e);
            }
        }, cla,tag);


    }

    public void deleteView(){
        if(inv!=null){
            inv=null;
        }
    }
}

bean包下的类

public class ChildBean {
    private String title;
    private String images;
    private double price;
    private int num;
    private boolean childCb;
    private boolean btn;


    public ChildBean(String title, String images, double price, int num, boolean childCb, boolean btn) {
        this.title = title;
        this.images = images;
        this.price = price;
        this.num = num;
        this.childCb = childCb;
        this.btn = btn;
    }

    public boolean isBtn() {
        return btn;
    }

    public void setBtn(boolean btn) {
        this.btn = btn;
    }


    public String getTitle() {
        return title;
    }

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

    public String getImages() {
        return images;
    }

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

    public double getPrice() {
        return price;
    }

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

    public int getNum() {
        return num;
    }

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

    public boolean isChildCb() {
        return childCb;
    }

    public void setChildCb(boolean childCb) {
        this.childCb = childCb;
    }

    @Override
    public String toString() {
        return "ChildBean{" +
                "title='" + title + '\'' +
                ", images='" + images + '\'' +
                ", price=" + price +
                ", num=" + num +
                ", childCb=" + childCb +
                '}';
    }

}

public class GroupBean {
    private String sellerName;
    private boolean gropuCb;

    public GroupBean(String sellerName, boolean gropuCb) {
        this.sellerName = sellerName;
        this.gropuCb = gropuCb;
    }

    public String getSellerName() {
        return sellerName;
    }

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

    public boolean isGropuCb() {
        return gropuCb;
    }

    public void setGropuCb(boolean gropuCb) {
        this.gropuCb = gropuCb;
    }

    @Override
    public String toString() {
        return "GroupBean{" +
                "sellerName='" + sellerName + '\'' +
                ", gropuCb=" + gropuCb +
                '}';
    }

}

public class ShopCarBean {
    /**
     * 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":2,"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"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"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)"},{"bargainPrice":6666,"createtime":"2017-10-10T16:01:31","detailUrl":"https://item.m.jd.com/product/5089273.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8284/363/1326459580/71585/6d3e8013/59b857f2N6ca75622.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t9346/182/1406837243/282106/68af5b54/59b8480aNe8af7f5c.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8434/54/1359766007/56140/579509d9/59b85801Nfea207db.jpg!q70.jpg","num":1,"pid":46,"price":234,"pscid":39,"selected":0,"sellerid":2,"subhead":"【iPhone新品上市】新一代iPhone，让智能看起来更不一样","title":"Apple iPhone 8 Plus (A1864) 64GB 金色 移动联通电信4G手机"}],"sellerName":"商家2","sellerid":"2"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":84,"pid":10,"price":555.55,"pscid":1,"selected":0,"sellerid":3,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家3","sellerid":"3"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":61,"price":14999,"pscid":40,"selected":0,"sellerid":5,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}],"sellerName":"商家5","sellerid":"5"},{"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":100,"price":2200,"pscid":112,"selected":0,"sellerid":11,"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"}],"sellerName":"商家11","sellerid":"11"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":69,"price":16999,"pscid":40,"selected":0,"sellerid":13,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}],"sellerName":"商家13","sellerid":"13"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":1,"price":118,"pscid":1,"selected":0,"sellerid":17,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家17","sellerid":"17"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":2,"price":299,"pscid":1,"selected":0,"sellerid":18,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家18","sellerid":"18"}]
     * msg : 请求成功
     */

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

    public String getCode() {
        return code;
    }

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

    public String getMsg() {
        return msg;
    }

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

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

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

    public static class DataBean {
        /**
         * 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":2,"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"}]
         * sellerName : 商家1
         * sellerid : 1
         */

        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 {
            /**
             * 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 : 2
             * 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 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;
            }
        }
    }

}

购物车的adapter

public class ExpandableAdapter extends BaseExpandableListAdapter{
// private static final String TAG = "ExpandableAdapter二级列表适配器";

    private Context context;
    private List<GroupBean> groupBeen=new ArrayList<>();
    private List<List<ChildBean>> childBeen=new ArrayList<>();

    public ExpandableAdapter(Context context, List<GroupBean> groupBeen, List<List<ChildBean>> childBeen) {
        this.context = context;
        this.groupBeen = groupBeen;
        this.childBeen = childBeen;
    }

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

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

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

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

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

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

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

    //一级组
    @Override
    public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
        //加载视图
        view=View.inflate(context, R.layout.ex_group_item ,null);

        final CheckBox groupCb= view.findViewById(R.id.group_checkbox);
        TextView shopName= view.findViewById(R.id.shop_name);


        shopName.setText(groupBeen.get(i).getSellerName());
        groupCb.setChecked(groupBeen.get(i).isGropuCb());

        //组复选按钮
        groupCb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                boolean gchecked = groupCb.isChecked();
                groupBeen.get(i).setGropuCb(gchecked);
                Main2Activity main= (Main2Activity) context;
                for(GroupBean i: groupBeen){
                    boolean gropuCb = i.isGropuCb();
                    if(!gropuCb){
                        main.allCheckbox.setChecked(false);
                        break;
                    }else{
                        main.allCheckbox.setChecked(true);
                    }
                }
                int size = childBeen.get(i).size();
                if(gchecked){
                    for(int r=0;r<size;r++){
                        //Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
                        childBeen.get(i).get(r).setChildCb(true);
                    }
                }else{
                    for(int r=0;r<size;r++){
                        //Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
                        childBeen.get(i).get(r).setChildCb(false);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });
        return view;
    }

    //二级组
    @Override
    public View getChildView(final int i, final int i1, boolean b, View v, ViewGroup viewGroup) {
        //加载视图
        v=View.inflate(context, R.layout.ex_child_item ,null);

        final CheckBox childCb = v.findViewById(R.id.child_checkbox);
        TextView shopTitle= v.findViewById(R.id.shop_title);
        TextView shopPrice= v.findViewById(R.id.shop_price);
        ImageView shopImg=v.findViewById(R.id.shop_img);
        final AddDeleteView adv = v.findViewById(R.id.adv);
        Button shop_delete=v.findViewById(R.id.shop_delete);

        childCb.setChecked(childBeen.get(i).get(i1).isChildCb());
        Glide.with(context).load(childBeen.get(i).get(i1).getImages()).into(shopImg);
        shopTitle.setText(childBeen.get(i).get(i1).getTitle());
        shopPrice.setText(childBeen.get(i).get(i1).getPrice()+"");
        adv.setNumber(childBeen.get(i).get(i1).getNum());

        final Main2Activity main= (Main2Activity) context;
        //控制删除按钮的显隐
        if(childBeen.get(i).get(i1).isBtn()){
            shop_delete.setVisibility(View.VISIBLE);
        }else{
            shop_delete.setVisibility(View.INVISIBLE);
        }
        //删除按钮监听
        shop_delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                int size = childBeen.get(i).size();
                if(size==1){
                    childBeen.remove(i);
                    groupBeen.remove(i);
                }else{
                    childBeen.get(i).remove(i1);
                }
                //点击删除后隐藏所有删除按钮
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        i1.get(r).setBtn(false);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });

        //加减器逻辑

        adv.setOnAddDelClickListener(new AddDeleteView.OnAddDelClickListener() {
            @Override
            public void onAddClick(View v) {
                int number = adv.getNumber();
                number++;
                adv.setNumber(number);
                childBeen.get(i).get(i1).setNum(number);
                main.changesum(childBeen);
            }

            @Override
            public void onDelClick(View v) {
                int number = adv.getNumber();
                number--;
                adv.setNumber(number);
                childBeen.get(i).get(i1).setNum(number);
                main.changesum(childBeen);
            }
        });

        //二级组的复选框监听
        childCb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                boolean flag=false;
                boolean cchecked = childCb.isChecked();
                childBeen.get(i).get(i1).setChildCb(cchecked);
                //Toast.makeText(context,"child按钮"+ cchecked+""+i1, Toast.LENGTH_SHORT).show();
                Main2Activity main= (Main2Activity) context;
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        boolean childCb1 = i1.get(r).isChildCb();
                        if(!childCb1){
                            main.allCheckbox.setChecked(false);
                            groupBeen.get(i).setGropuCb(false);
                            flag=true;
                            break;
                        }else{
                            main.allCheckbox.setChecked(true);
                            groupBeen.get(i).setGropuCb(true);
                        }
                    }
                    if(flag){
                        break;
                    }
                }

                int size = childBeen.get(i).size();
                for(int x=0;x<size;x++) {
                    boolean childCb1 = childBeen.get(i).get(x).isChildCb();
                    if(!childCb1){
                        groupBeen.get(i).setGropuCb(false);
                        break;
                    }else{
                        groupBeen.get(i).setGropuCb(true);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });


        return v;
    }

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



}

主函数的方法

public class Main2Activity extends AppCompatActivity implements INewView{
    //定义全局变量
    private ExpandableListView exListView;
    public CheckBox allCheckbox;
    private TextView totalPrice;
    private TextView totalnumber;

    List<GroupBean> groupBeen=new ArrayList<>();
    List<List<ChildBean>> childBeen=new ArrayList<>();

    private NewsPresenter presenter;
    private ExpandableAdapter expandableAdapter;
    private TextView edit;

    private boolean flagedit=true;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        getSupportActionBar().hide();

        initView();

        presenter = new NewsPresenter();
        presenter.attachView(this);
        Map<String,String> map = new HashMap<>();
        presenter.get("http://120.27.23.105/product/getCarts?uid=100",map,"car",ShopCarBean.class);

        //获取二级列表适配器
        expandableAdapter = new ExpandableAdapter(Main2Activity.this, groupBeen, childBeen);
        exListView.setAdapter(expandableAdapter);

        for(int i = 0; i < expandableAdapter.getGroupCount(); i++){

            exListView.expandGroup(i);

        }

        exListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
            @Override
            public boolean onGroupClick(ExpandableListView expandableListView, View view, int i, long l) {
                return true;
            }
        });

        //全选监听
        allCheckbox.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                boolean checked = allCheckbox.isChecked();
                //改变一级item复选框
                for (GroupBean i:groupBeen){
                    i.setGropuCb(checked);
                }
                //改变二级item复选框
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        i1.get(r).setChildCb(checked);
                    }
                }
                expandableAdapter.notifyDataSetChanged();
                changesum(childBeen);
                //Toast.makeText(Main2Activity.this,"全选按钮"+checked,Toast.LENGTH_SHORT).show();
            }
        });

        edit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        i1.get(r).setBtn(flagedit);
                    }
                }
                flagedit=!flagedit;
                expandableAdapter.notifyDataSetChanged();
            }
        });
    }
    private void initView() {
        exListView = (ExpandableListView) findViewById(R.id.exListView);
        allCheckbox = (CheckBox)findViewById(R.id.all_chekbox);
        totalPrice = (TextView)findViewById(R.id.total_price);
        totalnumber = (TextView)findViewById(R.id.total_number);
        edit = (TextView) findViewById(R.id.edit);
    }


    @Override
    public void success(String tag, Object o) {
        //成功的方法
        if(o!=null&&tag.equals("car")){
            ShopCarBean shopCarBean = (ShopCarBean) o;

            List<ShopCarBean.DataBean> data = shopCarBean.getData();
            for(ShopCarBean.DataBean i:data){
                GroupBean groupBean = new GroupBean(i.getSellerName(),false);
                this.groupBeen.add(groupBean);
                List<ShopCarBean.DataBean.ListBean> list = i.getList();
                List<ChildBean> ls = new ArrayList<>();
                for(ShopCarBean.DataBean.ListBean w:list){
                    String[] split = w.getImages().split("\\|");
                    ChildBean childBean = new ChildBean(w.getTitle(),split[0],w.getPrice(),1,false,false);
                    ls.add(childBean);

                }
                    this.childBeen.add(ls);

            }
            for(int i = 0; i < expandableAdapter.getGroupCount(); i++){
                exListView.expandGroup(i);
            }
            expandableAdapter.notifyDataSetChanged();

        }


    }

    @Override
    public void failed(String tag, Exception e) {
        Toast.makeText(Main2Activity.this,e.getMessage()+"",Toast.LENGTH_SHORT).show();
    }
    //计算和数量总价
    public void changesum(List<List<ChildBean>> childBeen){
        //冒泡排序
        int count=0;
        double sum=0;
        for (List<ChildBean> i1:childBeen){
            for(int r=0;r<i1.size();r++) {
                boolean childCb1 = i1.get(r).isChildCb();
                if(childCb1){
                    double price = i1.get(r).getPrice();
                    int num = i1.get(r).getNum();
                    sum+=price*num;
                    count++;
                }
            }
        }
        totalPrice.setText("￥"+sum);
        totalnumber.setText("共有商品:"+count+"件");
    }



}