Android——二级列表实现购物车

阳光穿透心脏的1/2处 2022-06-05 08:24 199阅读 0赞

**效果图：**

![Center][]

**添加依赖：**

compile 'com.squareup.okhttp3:okhttp:3.9.0'
    compile 'com.google.code.gson:gson:2.8.2'
    compile 'com.github.bumptech.glide:glide:3.7.0'
    compile 'org.greenrobot:eventbus:3.1.1'

**项目清单中添加权限：**

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

**MVP模式：**

![Center 1][]

**HttpUtils**

package com.bwie.com.myapplication.httputils;
    
    import android.os.Handler;
    import android.text.TextUtils;
    import android.util.Log;
    
    import com.bwie.com.myapplication.callback.CallBack;
    
    import java.io.IOException;
    import java.util.Map;
    
    import okhttp3.Call;
    import okhttp3.Callback;
    import okhttp3.OkHttpClient;
    import okhttp3.Request;
    import okhttp3.Response;
    
    /** * Created by Wangrx on 2017/11/18. */ public class HttpUtils {
        private static final String TAG = "HttpUtils";
        private static volatile HttpUtils instance;
    
        private static Handler handler = new Handler();
    
        private HttpUtils() {
    
        }
    
        public static HttpUtils getInstance() {
            if (null == instance) {
                synchronized (HttpUtils.class) {
                    if (instance == null) {
                        instance = new HttpUtils();
                    }
                }
            }
            return instance;
        }
    
    
        /** * Get请求 * * @param url * @param map * @param callBack * @param cls * @param tag */ public void get(String url, Map<String, String> map, final CallBack callBack,
                        final Class cls, final String tag) {
            // http://www.baoidu.com/login?mobile=11111&password=11111&age=1&name=zw // 1.http://www.baoidu.com/login --------？ key=value&key=value // 2.http://www.baoidu.com/login? --------- key=value&key=value // 3.http://www.baoidu.com/login?mobile=11111 -----&key=value&key=value if (TextUtils.isEmpty(url)) {
                return;
            }
    
            StringBuffer sb = new StringBuffer();
            sb.append(url);
    
            // 如果包含？说明是2.3类型 if (url.contains("?")) {
                // 如果包含？并且？是最后一位，对应是2类型 if (url.indexOf("?") == url.length() - 1) {
    
                } else {
                    // 如果包含？并且？不是最后一位，对应是3类型 sb.append("&");
                }
            } else {
                // 不包含？，对应的1类型 sb.append("?");
            }
    
            // 遍历map集合进行拼接，拼接的形式是 key=value& for (Map.Entry<String, String> entry : map.entrySet()) {
                sb.append(entry.getKey())
                        .append("=")
                        .append(entry.getValue())
                        .append("&");
            }
    
            // 如果存在&号，把最后一个&去掉 if (sb.indexOf("&") != -1) {
                sb.deleteCharAt(sb.lastIndexOf("&"));
            }
    
            Log.i(TAG, "get url: " + sb);
    
            OkHttpClient client = new OkHttpClient();
    
            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) {
                    handler.post(new Runnable() {
                        @Override public void run() {
                            // 通过自己传进来的回调接口对象回传回去 callBack.onFailed(tag, e);
                        }
                    });
                }
    
                @Override public void onResponse(Call call, Response response) throws IOException {
                    final String result = response.body().string();
                    // 请求成功之后做解析，通过自己的回调接口将数据返回回去 handler.post(new Runnable() {
                        @Override public void run() {
                            Object o;
                            if (TextUtils.isEmpty(result)) {
                                o = null;
                            } else {
                                o = GsonUtils.getInstance().fromJson(result, cls);
                            }
                            callBack.onSuccess(tag, o);
                        }
                    });
                }
            });
        }
    }

GsonUtils

package com.bwie.com.myapplication.httputils;
    
    import com.google.gson.Gson;
    
    /** * Created by Wangrx on 2017/11/18. */ public class GsonUtils {
        private static Gson instance;
            private GsonUtils(){
    
            }
            public static Gson getInstance(){
                if (instance==null){
                    instance = new Gson();
                }
                return instance;
            }
    }

CartPresenter

package com.bwie.com.myapplication.presenter;
    
    import android.util.Log;
    
    import com.bwie.com.myapplication.bean.CartBean;
    import com.bwie.com.myapplication.callback.CallBack;
    import com.bwie.com.myapplication.callback.CartCallBack;
    import com.bwie.com.myapplication.httputils.HttpUtils;
    
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    
    /** * Created by Wangrx on 2017/11/18. */ public class CartPresenter {
        private CartCallBack inv;
    
        public void attachView(CartCallBack inv) {
            this.inv = inv;
        }
    
        public void getNews() {
            //type=top&key=dbedecbcd1899c9785b95cc2d17131c5 Map<String, String> map = new HashMap<>();
    // map.put("cid", "1"); // map.put("key", "dbedecbcd1899c9785b95cc2d17131c5"); HttpUtils.getInstance().get("http://120.27.23.105/product/getCarts?uid=100", map, new CallBack() {
                @Override public void onSuccess(String tag, Object o) {
                    CartBean bean = (CartBean) o;
                    if (bean != null) {
                        List<CartBean.DataBean> data = bean.getData();
                        inv.success(tag, data);
                        Log.i("zzzz", "onSuccess: "+ data.toString());
    
                    }
                }
    
                @Override public void onFailed(String tag, Exception e) {
                    inv.failed(tag, e);
                }
            }, CartBean.class, "news");
        }
    
    
        public void detachView() {
            if (inv != null) {
                inv = null;
            }
    
        }
    }

CallBack

package com.bwie.com.myapplication.callback;
    
    /** * Created by Wangrx on 2017/11/18. */ public interface CallBack {
        void onSuccess(String tag, Object O);
        void onFailed(String tag, Exception e);
    }

CartCallBack

package com.bwie.com.myapplication.callback;
    
            import com.bwie.com.myapplication.bean.CartBean;
    
            import java.util.List;
    
    /** * Created by Wangrx on 2017/11/18. */ public interface CartCallBack {
        void success(String tag, List<CartBean.DataBean> news);
    
        void failed(String tag, Exception e);
    
    
    }

MessageEvent

package com.bwie.com.myapplication.eventbusevent;
    
    /** * Created by peng on 2017/11/17. */ public class MessageEvent {
        private boolean checked;
    
        public boolean isChecked() {
            return checked;
        }
    
        public void setChecked(boolean checked) {
            this.checked = checked;
        }
    }

PriceAndCountEvent

package com.bwie.com.myapplication.eventbusevent;
    
    /** * Created by peng on 2017/11/17. */ public class PriceAndCountEvent {
        private int price;
        private int count;
    
        public int getPrice() {
            return price;
        }
    
        public void setPrice(int price) {
            this.price = price;
        }
    
        public int getCount() {
            return count;
        }
    
        public void setCount(int count) {
            this.count = count;
        }
    }

MyAdapter

package com.bwie.com.myapplication.adapter;
    
    import android.app.AlertDialog;
    import android.content.Context;
    import android.content.DialogInterface;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseExpandableListAdapter;
    import android.widget.CheckBox;
    import android.widget.ImageView;
    import android.widget.TextView;
    
    import com.bumptech.glide.Glide;
    import com.bwie.com.myapplication.R;
    import com.bwie.com.myapplication.bean.CartBean;
    import com.bwie.com.myapplication.eventbusevent.MessageEvent;
    import com.bwie.com.myapplication.eventbusevent.PriceAndCountEvent;
    
    import org.greenrobot.eventbus.EventBus;
    
    import java.util.List;
    
    /** * Created by Wangrx on 2017/11/22. */ public class MyAdapter extends BaseExpandableListAdapter{
        private Context context;
        private List<CartBean.DataBean> groupList;
        private List<List<CartBean.DataBean.ListBean>> childList;
        public MyAdapter(Context context, List<CartBean.DataBean> groupList, List<List<CartBean.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;
        }
    
        @Override public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
            final GroupViewHolder holder;
            if (view == null) {
                holder = new GroupViewHolder();
                view = view.inflate(context,R.layout.item_parent_market, null);
                holder.cbGroup = view.findViewById(R.id.cb_parent);
                holder.tv_number = view.findViewById(R.id.tv_number);
                view.setTag(holder);
            } else {
                holder = (GroupViewHolder) view.getTag();
            }
            final CartBean.DataBean dataBean = groupList.get(i);
            holder.cbGroup.setChecked(dataBean.isChecked());
    // holder.tv_number.setText(dataBean.getTitle()); holder.tv_number.setText(dataBean.getSellerName());
            //一级checkbox holder.cbGroup.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    dataBean.setChecked(holder.cbGroup.isChecked());
                    changeChildCbState(i, holder.cbGroup.isChecked());
                    EventBus.getDefault().post(compute());
                    changeAllCbState(isAllGroupCbSelected());
                    notifyDataSetChanged();
                }
            });
    
            return view;
        }
    
        @Override public View getChildView(final int i, final int i1, boolean b, View view, ViewGroup viewGroup) {
            final ChildViewHolder holder;
            if (view == null) {
                holder = new ChildViewHolder();
                view = view.inflate(context,R.layout.item_child_market, null);
                holder.cbChild = view.findViewById(R.id.cb_child);
                holder.tv_tel = view.findViewById(R.id.tv_tel);
    // holder.tv_content = view.findViewById(R.id.tv_content); // holder.tv_time = view.findViewById(R.id.tv_time); holder.imgIcon = view.findViewById(R.id.img_icon);
                holder.tv_price = view.findViewById(R.id.tv_pri);
                holder.tv_del = view.findViewById(R.id.tv_del);
                holder.iv_add = view.findViewById(R.id.iv_add);
                holder.iv_del = view.findViewById(R.id.iv_del);
                holder.tv_num = view.findViewById(R.id.tv_num);
                view.setTag(holder);
            } else {
                holder = (ChildViewHolder) view.getTag();
            }
            final CartBean.DataBean.ListBean datasBean = childList.get(i).get(i1);
    
            holder.cbChild.setChecked(datasBean.isChecked());
    // holder.tv_tel.setText(datasBean.getType_name()); holder.tv_tel.setText(datasBean.getTitle());
    // holder.tv_content.setText(datasBean.getMsg()); // holder.tv_time.setText(datasBean.getAdd_time()); holder.tv_price.setText("￥"+datasBean.getPrice() );
            holder.tv_num.setText(datasBean.getNum() + "");
            String images = datasBean.getImages().trim();
            String[] split = images.split("[|]");
            Glide.with(context).load(split[0]).into(holder.imgIcon);
    
            //二级checkbox holder.cbChild.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    //设置该条目对象里的checked属性值 datasBean.setChecked(holder.cbChild.isChecked());
                    PriceAndCountEvent priceAndCountEvent = compute();
                    EventBus.getDefault().post(priceAndCountEvent);
    
                    if (holder.cbChild.isChecked()) {
                        //当前checkbox是选中状态 if (isAllChildCbSelected(i)) {
                            changGroupCbState(i, true);
                            changeAllCbState(isAllGroupCbSelected());
                        }
                    } else {
                        changGroupCbState(i, false);
                        changeAllCbState(isAllGroupCbSelected());
                    }
                    notifyDataSetChanged();
                }
    
    
            });
            //加号 holder.iv_add.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    int num = datasBean.getNum();
                    holder.tv_num.setText(++num + "");
                    datasBean.setNum(num);
                    if (holder.cbChild.isChecked()) {
                        EventBus.getDefault().post(compute());
                    }
                }
            });
            //减号 holder.iv_del.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    int num = datasBean.getNum();
                    if (num == 1) {
                        return;
                    }
                    holder.tv_num.setText(--num + "");
                    datasBean.setNum(num);
                    if (holder.cbChild.isChecked()) {
    
                        EventBus.getDefault().post(compute());
                    }
                }
            });
            //删除 holder.tv_del.setOnClickListener(new View.OnClickListener() {
    
                private AlertDialog dialog;
    
                @Override public void onClick(View v) {
                    final List<CartBean.DataBean.ListBean> datasBeen = childList.get(i);
    
    
                    AlertDialog.Builder builder = new AlertDialog.Builder(context);
                    builder.setTitle("提示");
                    builder.setMessage("确认是否删除？");
                    builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                        @Override public void onClick(DialogInterface dialogInterface, int ii) {
                            CartBean.DataBean.ListBean remove = datasBeen.remove(i1);
                            if (datasBeen.size() == 0) {
                                childList.remove(i);
                                groupList.remove(i);
                            }
                            EventBus.getDefault().post(compute());
                            notifyDataSetChanged();
                        }
                    });
                    builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                        @Override public void onClick(DialogInterface dialogInterface, int i) {
                            dialog.dismiss();
                        }
                    });
                    dialog = builder.create();
                    dialog.show();
    
                }
            });
            return view;
        }
    
        @Override public boolean isChildSelectable(int i, int i1) {
            return false;
        }
        class GroupViewHolder {
            CheckBox cbGroup;
            TextView tv_number;
        }
    
        class ChildViewHolder {
            CheckBox cbChild;
            TextView tv_tel;
            TextView tv_content;
            TextView tv_time;
            ImageView imgIcon;
            TextView tv_price;
            TextView tv_del;
            ImageView iv_del;
            ImageView iv_add;
            TextView tv_num;
        }
        /** * 改变全选的状态 * * @param flag */ private void changeAllCbState(boolean flag) {
            MessageEvent messageEvent = new MessageEvent();
            messageEvent.setChecked(flag);
            EventBus.getDefault().post(messageEvent);
        }
        /** * 改变一级列表checkbox状态 * * @param groupPosition */ private void changGroupCbState(int groupPosition, boolean flag) {
    // GoosBean.DataBean dataBean = groupList.get(groupPosition); CartBean.DataBean dataBean = groupList.get(groupPosition);
    
            dataBean.setChecked(flag);
        }
    
        /** * 改变二级列表checkbox状态 * * @param groupPosition * @param flag */ private void changeChildCbState(int groupPosition, boolean flag) {
            List<CartBean.DataBean.ListBean> datasBeen = childList.get(groupPosition);
    
            for (int i = 0; i < datasBeen.size(); i++) {
                CartBean.DataBean.ListBean datasBean = datasBeen.get(i);
                datasBean.setChecked(flag);
            }
        }
        /** * 判断一级列表是否全部选中 * * @return */ private boolean isAllGroupCbSelected() {
            for (int i = 0; i < groupList.size(); i++) {
                CartBean.DataBean dataBean = groupList.get(i);
    
                if (!dataBean.isChecked()) {
                    return false;
                }
            }
            return true;
        }
    
        /** * 判断二级列表是否全部选中 * * @param groupPosition * @return */ private boolean isAllChildCbSelected(int groupPosition) {
            List<CartBean.DataBean.ListBean> datasBeen = childList.get(groupPosition);
    
            for (int i = 0; i < datasBeen.size(); i++) {
                CartBean.DataBean.ListBean datasBean = datasBeen.get(i);
    
                if (!datasBean.isChecked()) {
                    return false;
                }
            }
            return true;
        }
        /** * 计算列表中，选中的钱和数量 */ private PriceAndCountEvent compute() {
            int count = 0;
            int price = 0;
            for (int i = 0; i < childList.size(); i++) {
                List<CartBean.DataBean.ListBean> datasBeen = childList.get(i);
    
                for (int j = 0; j < datasBeen.size(); j++) {
                    CartBean.DataBean.ListBean datasBean = datasBeen.get(j);
    
                    if (datasBean.isChecked()) {
                        price += datasBean.getNum() * datasBean.getPrice();
                        count += datasBean.getNum();
                    }
                }
            }
            PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
            priceAndCountEvent.setCount(count);
            priceAndCountEvent.setPrice(price);
            return priceAndCountEvent;
        }
        /** * 设置全选、反选 * * @param flag */ public void changeAllListCbState(boolean flag) {
            for (int i = 0; i < groupList.size(); i++) {
                changGroupCbState(i, flag);
                changeChildCbState(i, flag);
            }
            EventBus.getDefault().post(compute());
            notifyDataSetChanged();
        }
    }

MainActivity

package com.bwie.com.myapplication;
    
    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 com.bwie.com.myapplication.adapter.MyAdapter;
    import com.bwie.com.myapplication.bean.CartBean;
    import com.bwie.com.myapplication.callback.CartCallBack;
    import com.bwie.com.myapplication.eventbusevent.MessageEvent;
    import com.bwie.com.myapplication.eventbusevent.PriceAndCountEvent;
    import com.bwie.com.myapplication.presenter.CartPresenter;
    
    import org.greenrobot.eventbus.EventBus;
    import org.greenrobot.eventbus.Subscribe;
    
    import java.util.ArrayList;
    import java.util.List;
    
    public class MainActivity extends AppCompatActivity implements CartCallBack{
        private List<CartBean.DataBean> groupList = new ArrayList<>();
        private List<List<CartBean.DataBean.ListBean>> childList = new ArrayList<>();
        private ExpandableListView mElv;
        private CheckBox mCheckbox2;
        /** * 0 */ private TextView mTvPrice;
        /** * 结算(0) */ private TextView mTvNum;
        private MyAdapter adapter;
        private CartPresenter presenter;
    
        @Override protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            initView();
            adapter = new MyAdapter(this, groupList, childList);
            mElv.setAdapter(adapter);
            presenter = new CartPresenter();
            presenter.attachView(this);
            presenter.getNews();
            mCheckbox2.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    adapter.changeAllListCbState(mCheckbox2.isChecked());
                }
            });
    
        }
        private void initView() {
            mElv = (ExpandableListView) findViewById(R.id.elv);
            mCheckbox2 = (CheckBox) findViewById(R.id.checkbox2);
            mTvPrice = (TextView) findViewById(R.id.tv_price);
            mTvNum = (TextView) findViewById(R.id.tv_num);
        }
    
        @Override public void success(String tag, List<CartBean.DataBean> news) {
            groupList.addAll(news);
            for (int i = 0; i < news.size(); i++) {
                List<CartBean.DataBean.ListBean> datas = news.get(i).getList();
                childList.add(datas);
            }
            adapter.notifyDataSetChanged();
            mElv.setGroupIndicator(null);
            for (int i=0;i<groupList.size();i++){
                mElv.expandGroup(i);
            }
    
        }
    
        @Override public void failed(String tag, Exception e) {
    
        }
    
        @Override protected void onStart() {
            super.onStart();
            EventBus.getDefault().register(this);
        }
    
        @Subscribe public void onMessageEvent(MessageEvent event) {
            mCheckbox2.setChecked(event.isChecked());
        }
    
        @Subscribe public void onMessageEvent(PriceAndCountEvent event) {
            mTvNum.setText("结算(" + event.getCount() + ")");
            mTvPrice.setText("￥"+event.getPrice() );
        }
        @Override protected void onDestroy() {
            super.onDestroy();
            EventBus.getDefault().unregister(this);
            if (presenter != null) {
                presenter.detachView();
            }
        }
    
    }

布局文件：

**activity\_main.xml**

item\_child\_market.xml

<?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">
    
        <LinearLayout android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginLeft="20dp"
            android:orientation="horizontal"
            android:gravity="center"
            >
    
            <CheckBox android:id="@+id/cb_child"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:button="@drawable/check_box_bg"
                android:focusable="false" />
    
            <ImageView android:id="@+id/img_icon"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:src="@mipmap/ic_launcher" />
    
            <LinearLayout android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:orientation="vertical">
    
                <TextView android:id="@+id/tv_tel"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="20sp"
                    android:textStyle="bold"
                    android:singleLine="true"
                    android:text="iphone6" />
    
                <TextView android:id="@+id/tv_pri"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:textSize="18sp"
                    android:text="¥3000.00"
                    android:textColor="#f00" />
    
                <LinearLayout android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:gravity="center_vertical">
    
                    <ImageView android:id="@+id/iv_del"
                        android:layout_width="25dp"
                        android:layout_height="25dp"
                        android:src="@drawable/shopcart_minus_grey" />
    
                    <TextView android:id="@+id/tv_num"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="5dp"
                        android:background="@drawable/shopcart_add_btn"
                        android:paddingBottom="2dp"
                        android:paddingLeft="20dp"
                        android:paddingRight="20dp"
                        android:paddingTop="2dp"
                        android:text="1"
                        android:textSize="20sp"
                        />
    
                    <ImageView android:id="@+id/iv_add"
                        android:layout_width="25dp"
                        android:layout_height="25dp"
                        android:layout_marginLeft="5dp"
                        android:src="@drawable/shopcart_add_red" />
    
                </LinearLayout>
            </LinearLayout>
        </LinearLayout>
    
        <TextView android:id="@+id/tv_del"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:background="@mipmap/deletes"
            android:layout_alignParentRight="true"
            android:layout_marginRight="10dp"
            android:layout_marginTop="25dp"
            android:layout_centerVertical="true"
            android:gravity="center" />
    
    
    </RelativeLayout>

item\_parent\_market.xml

<?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="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal">
        <RelativeLayout android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/white" >
    
            <CheckBox android:id="@+id/cb_parent"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="4dp"
                android:button="@drawable/check_box_bg"
                android:checkMark="?android:attr/listChoiceIndicatorMultiple"
                android:gravity="center"
                android:minHeight="38dp"
                android:minWidth="32dp"
                android:textAppearance="?android:attr/textAppearanceLarge"
                android:visibility="visible" />
    
            <TextView android:id="@+id/tv_number"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_marginBottom="10dp"
                android:layout_marginTop="10dp"
                android:layout_toRightOf="@id/cb_parent"
                android:background="@android:color/white"
                android:drawableLeft="@drawable/shop_ico"
                android:drawablePadding="10dp"
                android:drawableRight="@drawable/s_jr_ico"
                android:text="第八号当铺"
                android:textColor="#666666"
                android:textSize="18sp" />
            <Button android:id="@+id/tv_store_edtor"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentRight="true"
                android:layout_centerVertical="true"
                android:layout_marginRight="4dp"
                android:background="@null"
                android:text="编辑"
                android:textSize="18sp"
                />
        </RelativeLayout>
    </LinearLayout>

check\_box\_bg.xml

<?xml version="1.0" encoding="utf-8"?>
    <selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@mipmap/ic_checked" android:state_checked="true"></item>
        <item android:drawable="@mipmap/ic_uncheck"></item>
    </selector>

**改进版购物车**

MainActivity

public class MainActivity extends AppCompatActivity implements IView {
    
        private static final String TAG = "MainActivity";
        @BindView(R.id.back)
        ImageView back;
        @BindView(R.id.title)
        TextView title;
        @BindView(R.id.subtitle)
        TextView subtitle;
        @BindView(R.id.top_bar)
        LinearLayout topBar;
        @BindView(R.id.exListView)
        ExpandableListView exListView;
        @BindView(R.id.all_chekbox)
        CheckBox allChekbox;
        @BindView(R.id.tv_total_price)
        TextView tvTotalPrice;
        @BindView(R.id.tv_go_to_pay)
        TextView tvGoToPay;
        @BindView(R.id.ll_info)
        LinearLayout llInfo;
        @BindView(R.id.tv_share)
        TextView tvShare;
        @BindView(R.id.tv_save)
        TextView tvSave;
        @BindView(R.id.tv_delete)
        TextView tvDelete;
        @BindView(R.id.ll_shar)
        LinearLayout llShar;
        @BindView(R.id.ll_cart)
        LinearLayout llCart;
    
        private int count = 0;
        private List<SelCartBean.DataBean> list = new ArrayList<>();
        private ShopCartExListAdapter adapter;
        private boolean flag = false;
        private int totalCount = 0;
        private double totalPrice = 0.00;
    
        @Override protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            ButterKnife.bind(this);
            getData();
        }
    
        @Override protected void onStart() {
            super.onStart();
            EventBus.getDefault().register(this);
        }
    
        private void getData() {
            ShopCartPresenter presenter = new ShopCartPresenter();
            presenter.attachView(this);
            Map<String, String> map = new HashMap<>();
            map.put("uid", "101");
            map.put("source", "android");
            presenter.getCartListData(map);
            adapter = new ShopCartExListAdapter(this, list);
            exListView.setAdapter(adapter);
        }
    
        @Override public void onSelCartSuccess(Object o) {
            if (o instanceof List) {
                List<SelCartBean.DataBean> dataBean = (List<SelCartBean.DataBean>) o;
                list.addAll(dataBean);
                adapter.notifyDataSetChanged();
                for (int i = 0; i < adapter.getGroupCount(); i++) {
                    exListView.expandGroup(i);
                }
            }
        }
    
        @Override public void onAddCartSuccess(Object o) {
    
        }
    
        @Override public void onDelCartSuccess(Object o) {
    
        }
    
        @Override public void onFailed(Exception e) {
    
        }
    
        public void delete() {
            for (int i = 0; i < list.size(); i++) {
                List<SelCartBean.DataBean.ListBean> listbean = list.get(i).getList();
                for (int j = 0; j < listbean.size(); j++) {
                    SelCartBean.DataBean.ListBean listBean =listbean.get(j);
                    if (listBean.isChecked()) {
                        listbean.remove(j);
                        j--;
                        if (listbean.size() == 0) {
                            list.remove(i);
                            i--;
                        }
                    }
                }
            }
            adapter.notifyDataSetChanged();
        }
    
        @OnClick({
      R.id.all_chekbox, R.id.tv_share, R.id.tv_save, R.id.tv_delete, R.id.subtitle,R.id.tv_go_to_pay})
        public void onViewClicked(View view) {
            switch (view.getId()) {
                case R.id.all_chekbox:
                    adapter.changeAllListCbState(allChekbox.isChecked());
                    break;
                case R.id.tv_share:
                    Toast.makeText(this, "分享成功", Toast.LENGTH_SHORT).show();
                    break;
                case R.id.tv_save:
                    Toast.makeText(this, "加入成功", Toast.LENGTH_SHORT).show();
                    break;
                case R.id.tv_delete:
                    AlertDialog dialog;
                    if (totalCount == 0) {
                        Toast.makeText(MainActivity.this, "请选择要删除的商品", Toast.LENGTH_SHORT).show();
                        return;
                    }
                    dialog = new AlertDialog.Builder(MainActivity.this).create();
                    dialog.setTitle("操作提示");
                    dialog.setMessage("您确定要将这些商品从购物车中移除吗？");
                    dialog.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener() {
                        @Override public void onClick(DialogInterface dialogInterface, int i) {
                            return;
                        }
                    });
                    dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener() {
                        @Override public void onClick(DialogInterface dialogInterface, int i) {
                            delete();
                        }
                    });
                    dialog.show();
                    break;
                case R.id.subtitle:
                    flag = !flag;
                    if (flag) {
                        subtitle.setText("完成");
                        llShar.setVisibility(View.VISIBLE);
                        llInfo.setVisibility(View.GONE);
                    } else {
                        subtitle.setText("编辑");
                        llShar.setVisibility(View.GONE);
                        llInfo.setVisibility(View.VISIBLE);
                    }
                    break;
                case R.id.tv_go_to_pay:
                    AlertDialog alert;
                    if (totalCount == 0) {
                        Toast.makeText(this, "请选择要支付的商品", Toast.LENGTH_LONG).show();
                        return;
                    }
                    alert = new AlertDialog.Builder(this).create();
                    alert.setTitle("操作提示");
                    alert.setMessage("总计:\n" + totalCount + "种商品\n" + totalPrice + "元");
                    alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消",
                            new DialogInterface.OnClickListener() {
                                @Override public void onClick(DialogInterface dialog, int which) {
                                    return;
                                }
                            });
                    alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定",
                            new DialogInterface.OnClickListener() {
                                @Override public void onClick(DialogInterface dialog, int which) {
    
                                }
                            });
                    alert.show();
                    break;
            }
        }
    
        @Subscribe public void onMessageEvent(MessageEvent event) {
            allChekbox.setChecked(event.isChecked());
        }
    
        @Subscribe public void onMessageEvent(PriceAndCountEvent event) {
            title.setText("购物车(" + event.getCount() + ")");
            tvGoToPay.setText("结算(" + event.getCount() + ")");
            tvTotalPrice.setText("￥" + event.getPrice());
            totalCount = event.getCount();
            totalPrice = event.getPrice();
        }
    
    }

ShopCartExListAdapter

public class ShopCartExListAdapter extends BaseExpandableListAdapter {
        private Context context;
        private List<SelCartBean.DataBean> list = new ArrayList<>();
        private boolean isShow = true;
        private boolean flag = true;
        private int totalCount=0;
    
        public ShopCartExListAdapter(Context context, List<SelCartBean.DataBean> list) {
            this.context = context;
            this.list = list;
        }
    
        @Override public int getGroupCount() {
            return list.size();
        }
    
        @Override public int getChildrenCount(int i) {
            return list.get(i).getList().size();
        }
    
        @Override public Object getGroup(int i) {
            return list.get(i);
        }
    
        @Override public Object getChild(int i, int i1) {
            return list.get(i).getList().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;
        }
    
        @Override public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
            View view;
            final GroupViewHolder holder;
            if (convertView == null) {
                holder = new GroupViewHolder();
                view = View.inflate(context,R.layout.item_shopcart_group, null);
                holder.determine_chekbox = (CheckBox) view.findViewById(R.id.determine_chekbox);
                holder.tv_source_name = (TextView) view.findViewById(R.id.tv_source_name);
                holder.tv_store_edtor = (TextView) view.findViewById(R.id.tv_store_edtor);
                view.setTag(holder);
            } else {
                view = convertView;
                holder = (GroupViewHolder) view.getTag();
            }
            final SelCartBean.DataBean dataBean = list.get(groupPosition);
    
            holder.determine_chekbox.setChecked(dataBean.isChecked());
    
            holder.tv_source_name.setText(dataBean.getSellerName());
            //一级checkbox holder.determine_chekbox.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    totalCount++;
                    dataBean.setChecked(holder.determine_chekbox.isChecked());
                    changeChildCbState(groupPosition, holder.determine_chekbox.isChecked());
                    EventBus.getDefault().post(compute());
                    changeAllCbState(isAllGroupCbSelected());
                    notifyDataSetChanged();
                }
            });
            if (dataBean.isEdtor()) {
                holder.tv_store_edtor.setText("完成");
            } else {
                holder.tv_store_edtor.setText("编辑");
            }
            holder.tv_store_edtor.setOnClickListener(new GroupViewClick(groupPosition, holder.tv_store_edtor, dataBean));
            notifyDataSetChanged();
            return view;
        }
    
        @Override public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
            View view;
            final ChildViewHolder holder;
            if (convertView == null) {
                holder = new ChildViewHolder();
                view = View.inflate(context,R.layout.item_shopcart_product, null);
                holder.cbChild = (CheckBox) view.findViewById(R.id.check_box);
                holder.tv_intro = (TextView) view.findViewById(R.id.tv_intro);
                holder.imgIcon = (SimpleDraweeView) view.findViewById(R.id.iv_adapter_list_pic);
                holder.tv_price = (TextView) view.findViewById(R.id.tv_price);
                holder.tv_del = (TextView) view.findViewById(R.id.tv_goods_delete);
    // holder.bt_add = (ImageView) view.findViewById(R.id.bt_add); // holder.bt_del = (ImageView) view.findViewById(R.id.bt_reduce); // holder.et_num = (EditText) view.findViewById(R.id.et_num); holder.tv_num = (TextView) view.findViewById(R.id.tv_buy_num);
                holder.ll_edtor = (LinearLayout) view.findViewById(R.id.ll_edtor);
                holder.rl_no_edtor = (RelativeLayout) view.findViewById(R.id.rl_no_edtor);
                holder.adv = view.findViewById(R.id.adv_main);
                view.setTag(holder);
            } else {
                view = convertView;
                holder = (ChildViewHolder) view.getTag();
            }
            final SelCartBean.DataBean.ListBean datasBean = list.get(groupPosition).getList().get(childPosition);
    
    
    
            holder.cbChild.setChecked(datasBean.isChecked());
    
            holder.tv_intro.setText(datasBean.getTitle());
            holder.tv_price.setText("￥"+datasBean.getPrice() );
            holder.tv_num.setText(datasBean.getNum() + "");
    // holder.et_num.setText(datasBean.getNum() + ""); holder.adv.setNumber(datasBean.getNum());
            String[] split = datasBean.getImages().split("[|]");
            holder.imgIcon.setImageURI(Uri.parse(split[0]));
    
            //二级checkbox holder.cbChild.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    //设置该条目对象里的checked属性值 datasBean.setChecked(holder.cbChild.isChecked());
                    PriceAndCountEvent priceAndCountEvent = compute();
                    EventBus.getDefault().post(priceAndCountEvent);
                    if (holder.cbChild.isChecked()) {
                        //当前checkbox是选中状态 if (isAllChildCbSelected(groupPosition)) {
                            changGroupCbState(groupPosition, true);
                            changeAllCbState(isAllGroupCbSelected());
                        }
                        totalCount++;
                    } else {
                        changGroupCbState(groupPosition, false);
                        changeAllCbState(isAllGroupCbSelected());
                    }
                    notifyDataSetChanged();
                }
            });
            holder.adv.setOnAddDelClickListener(new AddDeleteView.OnAddDelClickListener() {
                @Override public void onAddClick(View v) {
                    Log.i("zxz", "onAddClick: 执行");
                    int origin = holder.adv.getNumber();
                    origin++;
    // holder.adv.setNumber(origin); int num = datasBean.getNum();
                    num++;
                    holder.adv.setNumber(num);
                    datasBean.setNum(num);
                    if (holder.cbChild.isChecked()) {
                        EventBus.getDefault().post(compute());
                    }
                }
    
                @Override public void onDelClick(View v) {
                    int origin = holder.adv.getNumber();
    // int num = datasBean.getNum(); origin--;
                    if (origin == 0) {
                        Toast.makeText(context,"最小数量为1", Toast.LENGTH_SHORT).show();
                        return ;
                    }
                    holder.adv.setNumber(origin);
                    datasBean.setNum(origin);
                    if (holder.cbChild.isChecked()) {
    
                        EventBus.getDefault().post(compute());
                    }
    
                }
            });
    // //加号 // holder.bt_add.setOnClickListener(new View.OnClickListener() { // @Override // public void onClick(View v) { // int num = datasBean.getNum(); // ++num; // holder.tv_num.setText(num + ""); // holder.et_num.setText(num +""); // datasBean.setNum(num); // if (holder.cbChild.isChecked()) { // PriceAndCountEvent priceAndCountEvent = compute(); // EventBus.getDefault().post(priceAndCountEvent); // } // } // }); // //减号 // holder.bt_del.setOnClickListener(new View.OnClickListener() { // @Override // public void onClick(View v) { // int num = datasBean.getNum(); // if (num == 1) { // return; // } // --num; // holder.tv_num.setText(num + ""); // holder.et_num.setText(num + ""); // datasBean.setNum(num); // if (holder.cbChild.isChecked()) { // PriceAndCountEvent priceAndCountEvent = compute(); // EventBus.getDefault().post(priceAndCountEvent); // } // } // }); //删除 holder.tv_del.setOnClickListener(new View.OnClickListener() {
                @Override public void onClick(View v) {
                    AlertDialog alert;
                    alert = new AlertDialog.Builder(context).create();
                    alert.setTitle("操作提示");
                    alert.setMessage("您确定要将这些商品从购物车中移除吗？");
                    alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消",
                            new DialogInterface.OnClickListener() {
                                @Override public void onClick(DialogInterface dialog, int which) {
                                    return;
                                }
                            });
                    alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定",
                            new DialogInterface.OnClickListener() {
                                @Override public void onClick(DialogInterface dialog, int which) {
                                    List<SelCartBean.DataBean.ListBean> datasBeen = list.get(groupPosition).getList();
                                    SelCartBean.DataBean.ListBean remove = datasBeen.remove(childPosition);
                                    if (datasBeen.size() == 0) {
                                        list.remove(groupPosition);
                                    }
                                    EventBus.getDefault().post(compute());
                                    notifyDataSetChanged();
                                }
                            });
                    alert.show();
                }
            });
            //编辑 //判断是否在编辑状态下(标题中的编辑) if (list.get(groupPosition).isEdtor() == true) {
                holder.ll_edtor.setVisibility(View.VISIBLE);
                holder.rl_no_edtor.setVisibility(View.GONE);
            } else {
                holder.ll_edtor.setVisibility(View.GONE);
                holder.rl_no_edtor.setVisibility(View.VISIBLE);
            }
    
            return view;
        }
    
        @Override public boolean isChildSelectable(int groupPosition, int childPosition) {
            return true;
        }
    
        class GroupViewHolder {
            CheckBox determine_chekbox;
            TextView tv_source_name,tv_store_edtor;
        }
        /** * 使某个组处于编辑状态 * <p/> * groupPosition组的位置 */ class GroupViewClick implements View.OnClickListener {
            private int groupPosition;
            private TextView edtor;
            private SelCartBean.DataBean group;
    
            public GroupViewClick(int groupPosition, TextView edtor, SelCartBean.DataBean group) {
                this.groupPosition = groupPosition;
                this.edtor = edtor;
                this.group = group;
            }
            @Override public void onClick(View v) {
                int groupId = v.getId();
                if (groupId == edtor.getId()) {
                    if (group.isEdtor()) {
                        group.setEdtor(false);
                    } else {
                        group.setEdtor(true);
    
                    }
                    notifyDataSetChanged();
                }
            }
        }
        /** * 监听编辑状态 */ public interface GroupEdtorListener {
            void groupEdit(int groupPosition);
        }
    
        class ChildViewHolder {
            CheckBox cbChild;
            TextView tv_intro;
            SimpleDraweeView imgIcon;
            TextView tv_price;
            TextView tv_del;
            ImageView bt_del,bt_add;
            EditText et_num;
    // TextView tv_num; LinearLayout ll_edtor;
            RelativeLayout rl_no_edtor;
            AddDeleteView adv;
            ImageView iv_del;
            ImageView iv_add;
            TextView tv_num;
        }
    
        /** * 改变全选的状态 * * @param flag */ private void changeAllCbState(boolean flag) {
            MessageEvent messageEvent = new MessageEvent();
            messageEvent.setChecked(flag);
            EventBus.getDefault().post(messageEvent);
        }
    
        /** * 改变一级列表checkbox状态 * * @param groupPosition */ private void changGroupCbState(int groupPosition, boolean flag) {
            SelCartBean.DataBean dataBean = list.get(groupPosition);
            dataBean.setChecked(flag);
        }
    
        /** * 改变二级列表checkbox状态 * * @param groupPosition * @param flag */ private void changeChildCbState(int groupPosition, boolean flag) {
            List<SelCartBean.DataBean.ListBean> datasBeen = list.get(groupPosition).getList();
    
            for (int i = 0; i < datasBeen.size(); i++) {
                SelCartBean.DataBean.ListBean datasBean = datasBeen.get(i);
    
                datasBean.setChecked(flag);
            }
        }
    
        /** * 判断一级列表是否全部选中 * * @return */ private boolean isAllGroupCbSelected() {
            for (int i = 0; i < list.size(); i++) {
                SelCartBean.DataBean dataBean = list.get(i);
                if (!dataBean.isChecked()) {
                    return false;
                }
            }
            return true;
        }
    
        /** * 判断二级列表是否全部选中 * * @param groupPosition * @return */ private boolean isAllChildCbSelected(int groupPosition) {
            List<SelCartBean.DataBean.ListBean> datasBeen = list.get(groupPosition).getList();
            for (int i = 0; i < datasBeen.size(); i++) {
                SelCartBean.DataBean.ListBean datasBean = datasBeen.get(i);
                if (!datasBean.isChecked()) {
                    return false;
                }
            }
            return true;
        }
    
        /** * 计算列表中，选中的钱和数量 */ private PriceAndCountEvent compute() {
            int count = 0;
            int price = 0;
            for (int i = 0; i < list.size(); i++) {
                List<SelCartBean.DataBean.ListBean> datasBeen = list.get(i).getList();
                for (int j = 0; j < datasBeen.size(); j++) {
                    SelCartBean.DataBean.ListBean datasBean = datasBeen.get(j);
                    if (datasBean.isChecked()) {
                        price += datasBean.getNum() * datasBean.getPrice();
                        count += datasBean.getNum();
                    }
                }
            }
            PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
            priceAndCountEvent.setCount(count);
            priceAndCountEvent.setPrice(price);
            return priceAndCountEvent;
        }
    
        /** * 设置全选、反选 * * @param flag */ public void changeAllListCbState(boolean flag) {
            for (int i = 0; i < list.size(); i++) {
                changGroupCbState(i, flag);
                changeChildCbState(i, flag);
            }
            EventBus.getDefault().post(compute());
            notifyDataSetChanged();
        }
        /** * 是否显示可编辑 * * @param flag */ public void isShow(boolean flag) {
            isShow = flag;
            notifyDataSetChanged();
        }
    }

自定义加减器

AddDeleteView

public class AddDeleteView extends LinearLayout {
    
        private OnAddDelClickListener listener;
        private TextView et_number;
    
        public void setOnAddDelClickListener(OnAddDelClickListener listener) {
            if (listener != null) {
                this.listener = listener;
            }
        }
    
    
        public interface OnAddDelClickListener{
            void onAddClick(View v);
            void onDelClick(View v);
        }
    
        public AddDeleteView(Context context) {
            this(context,null);
        }
    
        public AddDeleteView(Context context, @Nullable AttributeSet attrs) {
            this(context, attrs,0);
    
        }
        public AddDeleteView(Context context, @Nullable 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);
            Button but_add = findViewById(R.id.but_add);
            Button but_delete = findViewById(R.id.but_delete);
            et_number = findViewById(R.id.et_number);
    
            TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.AddDeleteViewStyle);
            String left_text = typedArray.getString(R.styleable.AddDeleteViewStyle_left_text);
            String middle_text = typedArray.getString(R.styleable.AddDeleteViewStyle_middle_text);
            String right_text = typedArray.getString(R.styleable.AddDeleteViewStyle_right_text);
    
            et_number.setText(middle_text);
            //释放资源 typedArray.recycle();
    
            but_add.setOnClickListener(new OnClickListener() {
                @Override public void onClick(View view) {
                    listener.onAddClick(view);
                }
            });
            but_delete.setOnClickListener(new OnClickListener() {
                @Override public void onClick(View view) {
                    listener.onDelClick(view);
                }
            });
        }
        /** * 对外提供设置EditText值的方法 */ public void setNumber(int number){
            if (number>0){
                et_number.setText(number+"");
            }
        }
        /** * 得到控件原来的值 */ public int getNumber(){
            int number = 0;
            try {
                String numberStr = et_number.getText().toString().trim();
                number = Integer.valueOf(numberStr);
            } catch (Exception e) {
                number = 0;
            }
            return number;
        }
    }

layout\_add\_delete.xml

<?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">
        <LinearLayout android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="horizontal"
            >
            <Button android:id="@+id/but_delete"
                android:layout_width="22dp"
                android:layout_height="22dp"
                android:background="@mipmap/remove"
                />
            <TextView android:id="@+id/et_number"
                android:layout_width="40dp"
                android:inputType="number"
                android:layout_height="wrap_content"
                android:gravity="center"
    
                />
            <Button android:id="@+id/but_add"
                android:layout_width="20dp"
                android:layout_height="20dp"
                android:background="@mipmap/add"
                />
        </LinearLayout>
    
    </LinearLayout>

styles.xml

<declare-styleable name="AddDeleteViewStyle">
        <attr name="left_text" format="string"/>
        <attr name="right_text" format="string"/>
        <attr name="middle_text" format="string"/>
    </declare-styleable>

activity\_main.xml

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout 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"
        android:orientation="vertical"
        tools:context="bwie.com.zhouyafei.MainActivity">
        <LinearLayout android:id="@+id/top_bar"
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:orientation="vertical" >
            <RelativeLayout android:layout_width="match_parent"
                android:layout_height="48dp"
                android:orientation="vertical" >
    
                <ImageView android:id="@+id/back"
                    android:layout_width="30dp"
                    android:layout_height="30dp"
                    android:layout_alignParentLeft="true"
                    android:layout_gravity="center_vertical"
                    android:layout_marginTop="10dp"
                    android:src="@mipmap/left" />
                <TextView android:id="@+id/title"
                    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/subtitle"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentRight="true"
                    android:layout_marginRight="20dp"
                    android:gravity="center"
                    android:minHeight="48dp"
                    android:text="编辑"
                    android:textColor="#1a1a1a"
                    android:textSize="14sp"
                    android:visibility="visible" />
            </RelativeLayout>
        </LinearLayout>
        <FrameLayout android:layout_width="match_parent"
            android:layout_height="match_parent" >
            <LinearLayout android:id="@+id/ll_cart"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical"
    
                >
                <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_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1"
                        android:layout_gravity="center_vertical"
                        android:layout_marginRight="4dp"
                        android:gravity="center"
                        android:focusable="false"
                        android:layout_marginLeft="10dp"
                        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/tv_total_price"
                                    android:layout_width="wrap_content"
                                    android:layout_height="wrap_content"
                                    android:text="￥0.00"
                                    android:textColor="#000"
                                    android:textSize="16sp"
                                    android:textStyle="bold" />
                            </LinearLayout>
                            <TextView android:layout_width="match_parent"
                                android:layout_height="wrap_content"
                                android:text="不含运费"
                                android:gravity="right"
                                android:textColor="#000"
                                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="#f00"
                            android:clickable="true"
                            android:gravity="center"
                            android:text="结算(0)"
                            android:textColor="#FAFAFA"
    
                            />
                    </LinearLayout>
                    <LinearLayout android:id="@+id/ll_shar"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_weight="4"
                        android:orientation="horizontal"
                        android:visibility="gone"
                        >
                        <TextView android:id="@+id/tv_share"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:gravity="center"
                            android:layout_weight="1"
                            android:layout_marginLeft="5dp"
                            android:text="分享宝贝"
                            android:background="#ef930a"
                            android:textColor="#fff"
                            android:textSize="16sp"
                            android:layout_marginRight="5dp"
                            android:textStyle="bold" />
    
                        <TextView android:id="@+id/tv_save"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:layout_weight="1"
                            android:gravity="center"
                            android:text="移到收藏夹"
                            android:background="#ef930a"
                            android:textColor="#fff"
                            android:layout_marginRight="5dp"
                            android:textSize="16sp"
                            android:textStyle="bold" />
                        <TextView android:id="@+id/tv_delete"
                            android:layout_width="match_parent"
                            android:layout_height="match_parent"
                            android:layout_weight="1"
                            android:background="#f00"
                            android:clickable="true"
                            android:gravity="center"
                            android:text="删除"
                            android:textColor="#FAFAFA"
                            />
                    </LinearLayout>
    
                </LinearLayout>
            </LinearLayout>
                  </FrameLayout>
    </LinearLayout>

item\_shopcart\_group.xml

item\_shopcart\_product.xml

<?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="wrap_content"
        android:orientation="vertical" >
    
        <View android:layout_width="match_parent"
            android:layout_height="1dp"
            android:background="#CCCCCC" />
    
        <LinearLayout android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal" >
    
            <CheckBox android:id="@+id/check_box"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="4dp"
                android:checkMark="?android:attr/listChoiceIndicatorMultiple"
                android:gravity="center"
                android:minHeight="64dp"
                android:minWidth="32dp"
                android:textAppearance="?android:attr/textAppearanceLarge"
                android:visibility="visible" />
    
            <com.facebook.drawee.view.SimpleDraweeView android:id="@+id/iv_adapter_list_pic"
                android:layout_width="85dp"
                android:layout_height="85dp"
                android:layout_marginBottom="15dp"
                android:layout_marginTop="13dp"
                android:scaleType="centerCrop"
                 />
    
            <RelativeLayout android:id="@+id/rl_no_edtor"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_marginLeft="13dp"
                >
    
                <TextView android:id="@+id/tv_intro"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginRight="10dp"
                    android:layout_marginTop="20dp"
                    android:ellipsize="end"
                    android:maxLines="2"
                    android:text="第八号店铺"
                    android:textColor="#000"
                    android:singleLine="true"
                    />
                <TextView android:id="@+id/tv_color_size"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="颜色：黑色；尺码：29"
                    android:layout_marginTop="5dp"
                    android:textColor="#000"
                    android:layout_centerVertical="true"
                    android:layout_alignParentLeft="true"
                    android:layout_alignParentStart="true" />
                <RelativeLayout android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal"
                    android:layout_alignParentBottom="true"
                    android:layout_alignParentLeft="true"
                   android:layout_marginBottom="20dp"
                    android:layout_alignParentStart="true">
    
                    <TextView android:id="@+id/tv_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerVertical="true"
                        android:singleLine="true"
                        android:text="￥ 308.00"
                        android:textColor="#000"
                        android:textStyle="bold" />
    
                    <TextView android:id="@+id/tv_discount_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerVertical="true"
                        android:layout_marginLeft="10dp"
                        android:layout_toRightOf="@+id/tv_price"
                        android:text=""
                        />
                    <TextView android:id="@+id/tv_buy_num"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerVertical="true"
                        android:layout_marginRight="20dp"
                        android:layout_alignParentRight="true"
                        android:text="X 1"
                        android:textColor="#000"
                        />
                </RelativeLayout>
            </RelativeLayout>
            <LinearLayout android:id="@+id/ll_edtor"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginLeft="13dp"
                android:visibility="gone"
                android:orientation="horizontal">
               <LinearLayout android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:orientation="vertical">
                   <RelativeLayout android:id="@+id/ll_change_num"
                       android:layout_width="match_parent"
                       android:layout_height="wrap_content"
                       android:gravity="center"
                       android:layout_marginTop="20dp"
                       android:orientation="horizontal">
                       <bwie.com.zhouyafei.view.AddDeleteView android:id="@+id/adv_main"
                           android:layout_width="wrap_content"
                           android:layout_height="wrap_content">
                           app:left_text="-"
                           app:middle_text="3"
                           app:right_text="+"
                       </bwie.com.zhouyafei.view.AddDeleteView>
                                                   </RelativeLayout>
    
                    <TextView android:id="@+id/tv_colorsize"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginTop="10dp"
                        android:gravity="center"
                        android:text="颜色：黑色；尺码：29"
                        android:layout_gravity="left"
                        android:textColor="#000"/>
                </LinearLayout>
    
               <TextView android:id="@+id/tv_goods_delete"
                   android:layout_width="match_parent"
                   android:layout_height="match_parent"
                   android:layout_weight="3"
                   android:text="删除"
                   android:background="#ecb74c"
                   android:gravity="center"
                   android:layout_gravity="center"
                   android:textColor="#fff"/>
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>

[Center]: /images/20220605/18acd5cb779847b1a35f537f54cac4bf.png
[Center 1]: /images/20220605/a171c82e419a4a6d8f893f17e8929b3d.png