main

main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.llw.cart">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

main/java/com/llw/cart/MainActivity.java

@@ -0,0 +1,389 @@
+package com.llw.cart;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.annotation.SuppressLint;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.google.gson.Gson;
+import com.llw.cart.adapter.StoreAdapter;
+import com.llw.cart.bean.CarResponse;
+import com.llw.cart.util.Constant;
+import com.llw.cart.util.GoodsCallback;
+import com.scwang.smartrefresh.layout.SmartRefreshLayout;
+import com.scwang.smartrefresh.layout.api.RefreshLayout;
+import com.scwang.smartrefresh.layout.listener.OnRefreshListener;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 购物车
+ *
+ * @author llw
+ */
+public class MainActivity extends AppCompatActivity implements GoodsCallback, View.OnClickListener {
+
+    public static final String TAG = "MainActivity";
+
+    private RecyclerView rvStore;
+    private StoreAdapter storeAdapter;
+    private List<CarResponse.OrderDataBean> mList = new ArrayList<>();
+    private TextView tvEdit;//编辑
+    private ImageView ivCheckedAll;//全选
+    private TextView tvTotal;//合计价格
+    private TextView tvSettlement;//结算
+    private LinearLayout layEdit;//编辑底部布局
+    private TextView tvShareGoods;//分享商品
+    private TextView tvCollectGoods;//收藏商品
+    private TextView tvDeleteGoods;//删除商品
+
+    private boolean isEdit = false;//是否编辑
+    private boolean isAllChecked = false;//是否全选
+
+    private List<Integer> shopIdList = new ArrayList<>();//店铺列表
+
+    private double totalPrice = 0.00;//商品总价
+    private int totalCount = 0;//商品总数量
+
+    private AlertDialog dialog;//弹窗
+
+    private boolean isHaveGoods = false;//购物车是否有商品
+
+    private SmartRefreshLayout refresh;//刷新布局
+    private LinearLayout layEmpty;//空布局
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        initView();
+    }
+
+    /**
+     * 初始化
+     */
+    private void initView() {
+        //设置亮色状态栏模式 systemUiVisibility在Android11中弃用了，可以尝试一下。
+        getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+
+        rvStore = findViewById(R.id.rv_store);
+        tvEdit = findViewById(R.id.tv_edit);
+        ivCheckedAll = findViewById(R.id.iv_checked_all);
+        tvTotal = findViewById(R.id.tv_total);
+        tvSettlement = findViewById(R.id.tv_settlement);
+        layEdit = findViewById(R.id.lay_edit);
+        tvShareGoods = findViewById(R.id.tv_share_goods);
+        tvCollectGoods = findViewById(R.id.tv_collect_goods);
+        tvDeleteGoods = findViewById(R.id.tv_delete_goods);
+        refresh = findViewById(R.id.refresh);
+        layEmpty = findViewById(R.id.lay_empty);
+        //禁用下拉刷新和上拉加载更多
+        refresh.setEnableRefresh(false);
+        refresh.setEnableLoadMore(false);
+        //下拉刷新监听
+        refresh.setOnRefreshListener(refreshLayout -> initView());
+
+        tvEdit.setOnClickListener(this);
+        ivCheckedAll.setOnClickListener(this);
+        tvSettlement.setOnClickListener(this);
+        tvShareGoods.setOnClickListener(this);
+        tvCollectGoods.setOnClickListener(this);
+        tvDeleteGoods.setOnClickListener(this);
+
+        CarResponse carResponse = new Gson().fromJson(Constant.CAR_JSON, CarResponse.class);
+
+        mList.addAll(carResponse.getOrderData());
+        storeAdapter = new StoreAdapter(R.layout.item_store, mList, this);
+        rvStore.setLayoutManager(new LinearLayoutManager(this));
+        rvStore.setAdapter(storeAdapter);
+        //店铺点击
+        storeAdapter.setOnItemChildClickListener(new BaseQuickAdapter.OnItemChildClickListener() {
+            @Override
+            public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+                CarResponse.OrderDataBean storeBean = mList.get(position);
+                if (view.getId() == R.id.iv_checked_store) {
+                    storeBean.setChecked(!storeBean.isChecked());
+                    storeAdapter.notifyDataSetChanged();
+                    //传递选中店铺的id
+                    if (storeBean.isChecked()) {
+                        //全选商品
+                        storeAdapter.controlGoods(storeBean.getShopId(), true);
+
+                        //添加到列表中
+                        if (!shopIdList.contains(storeBean.getShopId())) {
+                            //如果列表中没有这个店铺Id且当前店铺为选中状态
+                            shopIdList.add(storeBean.getShopId());
+                        }
+                    } else {
+                        //清除全选商品
+                        storeAdapter.controlGoods(storeBean.getShopId(), false);
+
+                        //从列表中清除
+                        if (shopIdList.contains(storeBean.getShopId())) {
+                            shopIdList.remove((Integer) storeBean.getShopId());
+                        }
+                    }
+                    //控制页面全选
+                    controlAllChecked();
+                }
+            }
+        });
+        //有商品
+        isHaveGoods = true;
+        //下拉加载数据完成后，关闭下拉刷新动画
+        refresh.finishRefresh();
+        //隐藏布局
+        layEmpty.setVisibility(View.GONE);
+    }
+
+    /**
+     * 控制页面全选   与页面全选进行交互
+     */
+    private void controlAllChecked() {
+        if (shopIdList.size() == mList.size() && mList.size() != 0) {
+            //全选
+            ivCheckedAll.setImageDrawable(getDrawable(R.drawable.ic_checked));
+            isAllChecked = true;
+        } else {
+            //不全选
+            ivCheckedAll.setImageDrawable(getDrawable(R.drawable.ic_check));
+            isAllChecked = false;
+        }
+        //计算价格
+        calculationPrice();
+    }
+
+    /**
+     * 选中店铺
+     *
+     * @param shopId 店铺id
+     */
+    @Override
+    public void checkedStore(int shopId, boolean state) {
+        for (CarResponse.OrderDataBean bean : mList) {
+            //遍历
+            if (shopId == bean.getShopId()) {
+                bean.setChecked(state);
+                storeAdapter.notifyDataSetChanged();
+                //记录选中店铺的shopid,添加到一个列表中。
+                if (!shopIdList.contains(bean.getShopId()) && state) {
+                    //如果列表中没有这个店铺Id且当前店铺为选中状态
+                    shopIdList.add(bean.getShopId());
+                } else {
+                    if (shopIdList.contains(bean.getShopId())) {
+                        //通过list.indexOf获取属性的在列表中的下标，不过强转Integer更简洁
+                        shopIdList.remove((Integer) bean.getShopId());
+                    }
+                }
+            }
+        }
+        //控制页面全选
+        controlAllChecked();
+    }
+
+
+    /**
+     * 商品价格
+     */
+    @Override
+    public void calculationPrice() {
+        //每次计算之前先置零
+        totalPrice = 0.00;
+        totalCount = 0;
+        //循环购物车中的店铺列表
+        for (int i = 0; i < mList.size(); i++) {
+            CarResponse.OrderDataBean orderDataBean = mList.get(i);
+            //循环店铺中的商品列表
+            for (int j = 0; j < orderDataBean.getCartlist().size(); j++) {
+                CarResponse.OrderDataBean.CartlistBean cartlistBean = orderDataBean.getCartlist().get(j);
+                //当有选中商品时计算数量和价格
+                if (cartlistBean.isChecked()) {
+                    totalCount++;
+                    totalPrice += cartlistBean.getPrice() * cartlistBean.getCount();
+                }
+            }
+        }
+        tvTotal.setText("￥" + totalPrice);
+        tvSettlement.setText(totalCount == 0 ? "结算" : "结算(" + totalCount + ")");
+    }
+
+    /**
+     * 页面控件点击事件
+     *
+     * @param v
+     */
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.tv_edit://编辑
+                if (!isHaveGoods) {
+                    showMsg("当前购物车空空如也~");
+                    return;
+                }
+                if (isEdit) {
+                    tvEdit.setText("编辑");
+                    layEdit.setVisibility(View.GONE);
+                    isEdit = false;
+                } else {
+                    tvEdit.setText("完成");
+                    layEdit.setVisibility(View.VISIBLE);
+                    isEdit = true;
+                }
+                break;
+            case R.id.iv_checked_all://全选
+                if (!isHaveGoods) {
+                    showMsg("当前购物车空空如也~");
+                    return;
+                }
+                if (isAllChecked) {
+                    //取消全选
+                    isSelectAllStore(false);
+                } else {
+                    //全选
+                    isSelectAllStore(true);
+                }
+                break;
+            case R.id.tv_settlement://结算
+                if (!isHaveGoods) {
+                    showMsg("当前购物车空空如也~");
+                    return;
+                }
+                if (totalCount == 0) {
+                    showMsg("请选择要结算的商品");
+                    return;
+                }
+                //弹窗
+                dialog = new AlertDialog.Builder(this)
+                        .setMessage("总计:" + totalCount + "种商品，" + totalPrice + "元")
+                        .setPositiveButton("确定", (dialog, which) -> deleteGoods())
+                        .setNegativeButton("取消", (dialog, which) -> dialog.dismiss())
+                        .create();
+                dialog.show();
+                break;
+            case R.id.tv_delete_goods://删除
+                if (totalCount == 0) {
+                    showMsg("请选择要删除的商品");
+                    return;
+                }
+                //弹窗
+                dialog = new AlertDialog.Builder(this)
+                        .setMessage("确定要删除所选商品吗?")
+                        .setPositiveButton("确定", (dialog, which) -> deleteGoods())
+                        .setNegativeButton("取消", (dialog, which) -> dialog.dismiss())
+                        .create();
+                dialog.show();
+                break;
+            case R.id.tv_collect_goods://收藏
+                if (totalCount == 0) {
+                    showMsg("请选择要收藏的商品");
+                    return;
+                }
+                showMsg("收藏成功!");
+                break;
+            case R.id.tv_share_goods://分享
+                if (totalCount == 0) {
+                    showMsg("请选择要分享的商品");
+                    return;
+                }
+                showMsg("分享成功!");
+                break;
+            default:
+                break;
+        }
+    }
+
+    /**
+     * 删除商品
+     */
+    private void deleteGoods() {
+        //店铺列表
+        List<CarResponse.OrderDataBean> storeList = new ArrayList<>();
+
+        for (int i = 0; i < mList.size(); i++) {
+            CarResponse.OrderDataBean store = mList.get(i);
+            if (store.isChecked()) {
+                //店铺如果选择则添加到此列表中
+                storeList.add(store);
+            }
+            //商品列表
+            List<CarResponse.OrderDataBean.CartlistBean> goodsList = new ArrayList<>();
+
+            List<CarResponse.OrderDataBean.CartlistBean> goods = store.getCartlist();
+            //循环店铺中的商品列表
+            for (int j = 0; j < goods.size(); j++) {
+                CarResponse.OrderDataBean.CartlistBean cartlistBean = goods.get(j);
+                //当有选中商品时添加到此列表中
+                if (cartlistBean.isChecked()) {
+                    goodsList.add(cartlistBean);
+                }
+            }
+            //删除商品
+            goods.removeAll(goodsList);
+        }
+        //删除店铺
+        mList.removeAll(storeList);
+
+        shopIdList.clear();//删除了选中商品，清空已选择的标识
+        controlAllChecked();//控制去全选
+        //改变界面UI
+        tvEdit.setText("编辑");
+        layEdit.setVisibility(View.GONE);
+        isEdit = false;
+        //刷新数据
+        storeAdapter.notifyDataSetChanged();
+        if (mList.size() <= 0) {
+            //无商品
+            isHaveGoods = false;
+            //启用下拉刷新
+            refresh.setEnableRefresh(true);
+            //显示空布局
+            layEmpty.setVisibility(View.VISIBLE);
+        }
+    }
+
+    /**
+     * 是否全选
+     *
+     * @param state 状态
+     */
+    private void isSelectAllStore(boolean state) {
+        //修改背景
+        ivCheckedAll.setImageDrawable(getDrawable(state ? R.drawable.ic_checked : R.drawable.ic_check));
+
+        for (CarResponse.OrderDataBean orderDataBean : mList) {
+            //商品是否选中
+            storeAdapter.controlGoods(orderDataBean.getShopId(), state);
+            //店铺是否选中
+            checkedStore(orderDataBean.getShopId(), state);
+        }
+        isAllChecked = state;
+    }
+
+    /**
+     * Toast提示
+     *
+     * @param msg
+     */
+    private void showMsg(String msg) {
+        Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
+    }
+
+
+}

main/java/com/llw/cart/adapter/GoodsAdapter.java

@@ -0,0 +1,49 @@
+package com.llw.cart.adapter;
+
+import android.view.View;
+import android.widget.ImageView;
+
+import androidx.annotation.Nullable;
+
+import com.bumptech.glide.Glide;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+import com.llw.cart.bean.CarResponse;
+import com.llw.cart.R;
+
+import java.util.List;
+
+/**
+ * 商品适配器
+ *
+ * @author llw
+ */
+public class GoodsAdapter extends BaseQuickAdapter<CarResponse.OrderDataBean.CartlistBean, BaseViewHolder> {
+
+    public GoodsAdapter(int layoutResId, @Nullable List<CarResponse.OrderDataBean.CartlistBean> data) {
+        super(layoutResId, data);
+    }
+
+    @Override
+    protected void convert(BaseViewHolder helper, CarResponse.OrderDataBean.CartlistBean item) {
+        helper.setText(R.id.tv_good_name, item.getProductName())
+                .setText(R.id.tv_good_color, item.getColor())
+                .setText(R.id.tv_good_size, item.getSize())
+                .setText(R.id.tv_goods_price, item.getPrice() + "")
+                .setText(R.id.tv_goods_num, item.getCount() + "");
+        ImageView goodImg = helper.getView(R.id.iv_goods);
+
+
+        ImageView checkedGoods = helper.getView(R.id.iv_checked_goods);
+        //判断商品是否选中
+        if (item.isChecked()) {
+            checkedGoods.setImageDrawable(mContext.getDrawable(R.drawable.ic_checked));
+        } else {
+            checkedGoods.setImageDrawable(mContext.getDrawable(R.drawable.ic_check));
+        }
+        //添加点击事件
+        helper.addOnClickListener(R.id.iv_checked_goods)//选中商品
+                .addOnClickListener(R.id.tv_increase_goods_num)//增加商品
+                .addOnClickListener(R.id.tv_reduce_goods_num);//减少商品
+    }
+}

main/java/com/llw/cart/adapter/StoreAdapter.java

@@ -0,0 +1,155 @@
+package com.llw.cart.adapter;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+import com.llw.cart.MainActivity;
+import com.llw.cart.bean.CarResponse;
+import com.llw.cart.R;
+import com.llw.cart.util.GoodsCallback;
+
+import java.util.List;
+
+/**
+ * 店铺适配器
+ *
+ * @author llw
+ */
+public class StoreAdapter extends BaseQuickAdapter<CarResponse.OrderDataBean, BaseViewHolder> {
+
+    private RecyclerView rvGood;
+    //商品回调
+    private GoodsCallback goodsCallback;
+    //店铺对象
+    private List<CarResponse.OrderDataBean> storeBean;
+
+    public StoreAdapter(int layoutResId, @Nullable List<CarResponse.OrderDataBean> data, GoodsCallback goodsCallback) {
+        super(layoutResId, data);
+        this.goodsCallback = goodsCallback;
+        storeBean = data;//赋值
+    }
+
+    @Override
+    protected void convert(BaseViewHolder helper, final CarResponse.OrderDataBean item) {
+
+        rvGood = helper.getView(R.id.rv_goods);
+        helper.setText(R.id.tv_store_name, item.getShopName());
+
+        ImageView checkedStore = helper.getView(R.id.iv_checked_store);
+        if (item.isChecked()) {
+            checkedStore.setImageDrawable(mContext.getDrawable(R.drawable.ic_checked));
+        } else {
+            checkedStore.setImageDrawable(mContext.getDrawable(R.drawable.ic_check));
+        }
+        //点击事件
+        helper.addOnClickListener(R.id.iv_checked_store);//选中店铺
+
+
+        final GoodsAdapter goodsAdapter = new GoodsAdapter(R.layout.item_good, item.getCartlist());
+        rvGood.setLayoutManager(new LinearLayoutManager(mContext));
+        rvGood.setAdapter(goodsAdapter);
+
+        //商品item中的点击事件
+        goodsAdapter.setOnItemChildClickListener(new OnItemChildClickListener() {
+            @Override
+            public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+                CarResponse.OrderDataBean.CartlistBean goodsBean = item.getCartlist().get(position);
+
+                switch (view.getId()) {
+                    case R.id.iv_checked_goods://选中商品
+                        //如果已选中则取消选中，未选中则选中
+                        goodsBean.setChecked(!goodsBean.isChecked());
+                        //刷新适配器
+                        goodsAdapter.notifyDataSetChanged();
+                        //控制店铺是否选中
+                        controlStore(item);
+                        //商品控制价格
+                        goodsCallback.calculationPrice();
+                        break;
+                    case R.id.tv_increase_goods_num://增加商品数量
+                        updateGoodsNum(goodsBean, goodsAdapter,true);
+                        break;
+                    case R.id.tv_reduce_goods_num://减少商品数量
+                        updateGoodsNum(goodsBean, goodsAdapter,false);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        });
+
+    }
+
+    /**
+     * 修改商品数量  增加或者减少
+     * @param goodsBean
+     * @param goodsAdapter
+     * @param state  true增加 false减少
+     */
+    private void updateGoodsNum(CarResponse.OrderDataBean.CartlistBean goodsBean, GoodsAdapter goodsAdapter,boolean state) {
+        //其实商品应该还有一个库存值或者其他的限定值，我这里写一个假的库存值为10
+        int inventory = 10;
+        int count = goodsBean.getCount();
+
+        if(state){
+            if (count >= inventory){
+                Toast.makeText(mContext,"商品数量不可超过库存值~",Toast.LENGTH_SHORT).show();
+                return;
+            }
+            count++;
+        }else {
+            if (count <= 1){
+                Toast.makeText(mContext,"已是最低商品数量~",Toast.LENGTH_SHORT).show();
+                return;
+            }
+            count--;
+        }
+        goodsBean.setCount(count);//设置商品数量
+        //刷新适配器
+        goodsAdapter.notifyDataSetChanged();
+        //计算商品价格
+        goodsCallback.calculationPrice();
+    }
+
+    /**
+     * 控制店铺是否选中
+     */
+    private void controlStore(CarResponse.OrderDataBean item) {
+        int num = 0;
+        for (CarResponse.OrderDataBean.CartlistBean bean : item.getCartlist()) {
+            if (bean.isChecked()) {
+                ++num;
+            }
+        }
+        if (num == item.getCartlist().size()) {
+            //全选中  传递需要选中的店铺的id过去
+            goodsCallback.checkedStore(item.getShopId(), true);
+        } else {
+            goodsCallback.checkedStore(item.getShopId(), false);
+        }
+    }
+
+    /**
+     * 控制商品是否选中
+     */
+    public void controlGoods(int shopId, boolean state) {
+        //根据店铺id选中该店铺下所有商品
+        for (CarResponse.OrderDataBean orderDataBean : storeBean) {
+            //店铺id等于传递过来的店铺id  则选中该店铺下所有商品
+            if (orderDataBean.getShopId() == shopId) {
+                for (CarResponse.OrderDataBean.CartlistBean cartlistBean : orderDataBean.getCartlist()) {
+                    cartlistBean.setChecked(state);
+                    //刷新
+                    notifyDataSetChanged();
+                }
+            }
+        }
+    }
+}

main/java/com/llw/cart/bean/CarResponse.java

@@ -0,0 +1,196 @@
+package com.llw.cart.bean;
+
+import java.util.List;
+
+/**
+ * 购物车返回数据
+ * @author llw
+ */
+public class CarResponse {
+
+
+    /**
+     * code : 200
+     * orderData : [{"shopId":1,"shopName":"京东自营","cartlist":[{"id":1,"shopId":1,"shopName":"京东自营","defaultPic":"https://img30.360buyimg.com/popWareDetail/jfs/t3208/194/7616404169/244198/369625db/58b7d093N03520fb7.jpg","productId":1,"productName":"三只松鼠_零食大礼包","color":"黑色","size":"18L","price":20,"count":1},{"id":2,"shopId":1,"shopName":"京东自营","defaultPic":"https://img14.360buyimg.com/n0/jfs/t2971/15/167732091/93002/204c1016/574d9d9aNe4e6fa7a.jpg","productId":2,"productName":"小米心跳手环","color":"白色","size":"20XXL","price":148,"count":1}]},{"shopId":2,"shopName":"海澜之家","cartlist":[{"id":1,"shopId":2,"shopName":"海澜之家","defaultPic":"https://img30.360buyimg.com/popWaterMark/jfs/t4075/83/1343091204/132469/9034cb9c/5873496bN68020ba8.jpg","productId":1,"productName":"短袖T恤男 2017夏季新品","color":"蓝色","size":"30X","price":181,"count":1}]},{"shopId":3,"shopName":"OPPO官方旗舰店","cartlist":[{"id":1,"shopId":3,"shopName":"OPPO官方旗舰店","defaultPic":"https://img10.360buyimg.com/cms/jfs/t6064/272/2163314583/157700/442d6477/593c1c49N7c63a7d9.jpg","productId":1,"productName":"OPPO R11 全网通","color":"蓝色","size":"30X","price":1999,"count":1},{"id":2,"shopId":3,"shopName":"OPPO官方旗舰店","defaultPic":"https://img14.360buyimg.com/n0/jfs/t3142/194/4953241722/254855/1651c2b1/585b9021Nf653e48a.jpg","productId":1,"productName":"OPPO R9 全网通","color":"蓝色","size":"30X","price":999,"count":1}]}]
+     */
+
+
+    private int code;
+    private List<OrderDataBean> orderData;
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public List<OrderDataBean> getOrderData() {
+        return orderData;
+    }
+
+    public void setOrderData(List<OrderDataBean> orderData) {
+        this.orderData = orderData;
+    }
+
+    public static class OrderDataBean {
+        /**
+         * shopId : 1
+         * shopName : 京东自营
+         * cartlist : [{"id":1,"shopId":1,"shopName":"京东自营","defaultPic":"https://img30.360buyimg.com/popWareDetail/jfs/t3208/194/7616404169/244198/369625db/58b7d093N03520fb7.jpg","productId":1,"productName":"三只松鼠_零食大礼包","color":"黑色","size":"18L","price":20,"count":1},{"id":2,"shopId":1,"shopName":"京东自营","defaultPic":"https://img14.360buyimg.com/n0/jfs/t2971/15/167732091/93002/204c1016/574d9d9aNe4e6fa7a.jpg","productId":2,"productName":"小米心跳手环","color":"白色","size":"20XXL","price":148,"count":1}]
+         */
+
+        private int shopId;
+        private String shopName;
+        private List<CartlistBean> cartlist;
+        private boolean isChecked;//店铺是否选中
+
+        public int getShopId() {
+            return shopId;
+        }
+
+        public void setShopId(int shopId) {
+            this.shopId = shopId;
+        }
+
+        public String getShopName() {
+            return shopName;
+        }
+
+        public void setShopName(String shopName) {
+            this.shopName = shopName;
+        }
+
+        public List<CartlistBean> getCartlist() {
+            return cartlist;
+        }
+
+        public void setCartlist(List<CartlistBean> cartlist) {
+            this.cartlist = cartlist;
+        }
+
+        public boolean isChecked() {
+            return isChecked;
+        }
+
+        public void setChecked(boolean checked) {
+            isChecked = checked;
+        }
+
+        public static class CartlistBean {
+            /**
+             * id : 1
+             * shopId : 1
+             * shopName : 京东自营
+             * defaultPic : https://img30.360buyimg.com/popWareDetail/jfs/t3208/194/7616404169/244198/369625db/58b7d093N03520fb7.jpg
+             * productId : 1
+             * productName : 三只松鼠_零食大礼包
+             * color : 黑色
+             * size : 18L
+             * price : 20
+             * count : 1
+             */
+
+            private int id;
+            private int shopId;
+            private String shopName;
+            private String defaultPic;
+            private int productId;
+            private String productName;
+            private String color;
+            private String size;
+            private int price;
+            private int count;
+            private boolean isChecked;//商品是否选中
+
+            public boolean isChecked() {
+                return isChecked;
+            }
+
+            public void setChecked(boolean checked) {
+                isChecked = checked;
+            }
+
+            public int getId() {
+                return id;
+            }
+
+            public void setId(int id) {
+                this.id = id;
+            }
+
+            public int getShopId() {
+                return shopId;
+            }
+
+            public void setShopId(int shopId) {
+                this.shopId = shopId;
+            }
+
+            public String getShopName() {
+                return shopName;
+            }
+
+            public void setShopName(String shopName) {
+                this.shopName = shopName;
+            }
+
+            public String getDefaultPic() {
+                return defaultPic;
+            }
+
+            public void setDefaultPic(String defaultPic) {
+                this.defaultPic = defaultPic;
+            }
+
+            public int getProductId() {
+                return productId;
+            }
+
+            public void setProductId(int productId) {
+                this.productId = productId;
+            }
+
+            public String getProductName() {
+                return productName;
+            }
+
+            public void setProductName(String productName) {
+                this.productName = productName;
+            }
+
+            public String getColor() {
+                return color;
+            }
+
+            public void setColor(String color) {
+                this.color = color;
+            }
+
+            public String getSize() {
+                return size;
+            }
+
+            public void setSize(String size) {
+                this.size = size;
+            }
+
+            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;
+            }
+        }
+    }
+}

main/java/com/llw/cart/util/Constant.java

@@ -0,0 +1,101 @@
+package com.llw.cart.util;
+
+/**
+ * 常量
+ * @author llw
+ */
+public class Constant {
+
+    public static final String CAR_JSON = "{  \"code\" : 200 ,\n" +
+            "  \"orderData\" : [\n" +
+            "    {\n" +
+            "\n" +
+            "      \"shopId\": 1,\n" +
+            "      \"shopName\":\"小黄の店铺\",\n" +
+            "      \"cartlist\": [\n" +
+            "        {\n" +
+            "          \"id\": 1,\n" +
+            "          \"shopId\": 1,\n" +
+            "          \"shopName\": \"小黄の店铺\",\n" +
+            "          \"productId\": 1,\n" +
+            "          \"productName\": \"QQㄋㄟㄋㄟ好喝到咩噗茶\",\n" +
+            "          \"color\": \"无\",\n" +
+            "          \"size\": \"600ml\",\n" +
+            "          \"price\": 20,\n" +
+            "          \"count\":1\n" +
+            "        },\n" +
+            "       {\n" +
+            "          \"id\": 2,\n" +
+            "          \"shopId\": 1,\n" +
+            "          \"shopName\": \"小黄の店铺\",\n" +
+            "          \"productId\": 1,\n" +
+            "          \"productName\": \"银耀石手串\",\n" +
+            "          \"color\": \"无\",\n" +
+            "          \"size\": \"8mm\",\n" +
+            "          \"price\": 20,\n" +
+            "          \"count\":1\n" +
+            "        },\n" +
+            "        {\n" +
+            "          \"id\": 3,\n" +
+            "          \"shopId\": 1,\n" +
+            "          \"shopName\": \"小黄の店铺\",\n" +
+            "          \"productId\": 2,\n" +
+            "          \"productName\": \"菩提手串\",\n" +
+            "          \"color\": \"白色\",\n" +
+            "          \"size\": \"9mm\",\n" +
+            "          \"price\": 50,\n" +
+            "          \"count\": 1\n" +
+            "        }\n" +
+            "      ]\n" +
+            "    }\n" +
+            "  ,\n" +
+            "    {\n" +
+            "      \"shopId\": 2,\n" +
+            "      \"shopName\":\"手办之家\",\n" +
+            "      \"cartlist\": [\n" +
+            "        {\n" +
+            "          \"id\": 1,\n" +
+            "          \"shopId\": 2,\n" +
+            "          \"shopName\": \"手办之家\",\n" +
+            "          \"productId\": 1,\n" +
+            "          \"productName\": \"坂田银时 2023夏季新品\",\n" +
+            "          \"color\": \"无\",\n" +
+            "          \"size\": \"1/8\",\n" +
+            "          \"price\": 999,\n" +
+            "          \"count\":1\n" +
+            "        }\n" +
+            "      ]\n" +
+            "    }\n" +
+            "  ,\n" +
+            "    {\n" +
+            "      \"shopId\": 3,\n" +
+            "      \"shopName\":\"小孙杂货铺\",\n" +
+            "      \"cartlist\": [\n" +
+            "        {\n" +
+            "          \"id\": 1,\n" +
+            "          \"shopId\": 3,\n" +
+            "          \"shopName\": \"小孙杂货铺\",\n" +
+            "          \"productId\": 1,\n" +
+            "          \"productName\": \"《广陵夜阙》\",\n" +
+            "          \"color\": \"装订本\",\n" +
+            "          \"size\": \"珍藏版\",\n" +
+            "          \"price\": 188,\n" +
+            "          \"count\":1\n" +
+            "        },\n" +
+            "        {\n" +
+            "          \"id\": 2,\n" +
+            "          \"shopId\": 3,\n" +
+            "          \"shopName\": \"小孙杂货铺\",\n" +
+            "          \"productId\": 1,\n" +
+            "          \"productName\": \"《春风夜夜周郎便》\",\n" +
+            "          \"color\": \"合订本\",\n" +
+            "          \"size\": \"珍藏签名版\",\n" +
+            "          \"price\": 216,\n" +
+            "          \"count\":1\n" +
+            "        }\n" +
+            "      ]\n" +
+            "    }\n" +
+            "\n" +
+            "  ]\n" +
+            "}";
+}

main/java/com/llw/cart/util/GoodsCallback.java

@@ -0,0 +1,21 @@
+package com.llw.cart.util;
+
+
+/**
+ * 商品回调接口
+ * @author llw
+ */
+public interface GoodsCallback {
+
+    /**
+     * 选中店铺
+     * @param shopId 店铺id
+     * @param state 是否选中
+     */
+    void checkedStore(int shopId,boolean state);
+
+    /**
+     * 计算价格
+     */
+    void calculationPrice();
+}

main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

main/res/drawable/bg_goods_num.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke android:color="#000"
+        android:width="0.5dp"/>
+</shape>

main/res/drawable/bg_increase_goods_num.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke android:color="#000"
+        android:width="0.5dp"/>
+    <corners android:topRightRadius="4dp"
+        android:bottomRightRadius="4dp" />
+</shape>

main/res/drawable/bg_reduce_goods_num.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke android:color="#000"
+        android:width="0.5dp"/>
+    <corners android:topLeftRadius="4dp"
+        android:bottomLeftRadius="4dp" />
+</shape>

main/res/drawable/bg_settlement.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="20dp"/>
+    <gradient
+        android:startColor="#FF5C13"
+        android:endColor="#FC7D0B"
+        android:angle="90" />
+</shape>

main/res/drawable/bg_white_8.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#FFF"/>
+    <corners android:radius="8dp"/>
+</shape>

main/res/drawable/ic_check.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:pathData="M12,22.5c-5.79,0 -10.5,-4.71 -10.5,-10.5S6.21,1.5 12,1.5 22.5,6.21 22.5,12 17.79,22.5 12,22.5zM12,3c-4.963,0 -9,4.037 -9,9s4.037,9 9,9 9,-4.037 9,-9S16.963,3 12,3z"
+        android:fillColor="#a9b7b7"/>
+</vector>

main/res/drawable/ic_checked.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#eb4f38"
+        android:pathData="M12,1.546c-5.764,0 -10.454,4.69 -10.454,10.454 0,5.765 4.689,10.454 10.454,10.454S22.454,17.765 22.454,12C22.454,6.236 17.765,1.546 12,1.546zM17.044,10.276 L11.039,16.346c-0.001,0.001 -0.005,0.002 -0.006,0.005 -0.002,0.001 -0.002,0.005 -0.005,0.006 -0.048,0.046 -0.107,0.075 -0.163,0.107 -0.028,0.016 -0.05,0.04 -0.08,0.051 -0.09,0.036 -0.185,0.055 -0.28,0.055 -0.096,0 -0.193,-0.019 -0.284,-0.056 -0.03,-0.013 -0.054,-0.038 -0.082,-0.054 -0.056,-0.031 -0.113,-0.059 -0.161,-0.107 -0.001,-0.001 -0.002,-0.005 -0.004,-0.006 -0.001,-0.002 -0.005,-0.002 -0.006,-0.005l-2.954,-3.035c-0.289,-0.297 -0.282,-0.772 0.015,-1.061 0.297,-0.288 0.771,-0.283 1.061,0.015l2.42,2.487 5.467,-5.527c0.291,-0.295 0.767,-0.298 1.061,-0.006C17.333,9.506 17.335,9.981 17.044,10.276z" />
+</vector>

main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#008577"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

main/res/drawable/ic_shopping_cart.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:tint="#616161"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7,18c-1.1,0 -1.99,0.9 -1.99,2S5.9,22 7,22s2,-0.9 2,-2 -0.9,-2 -2,-2zM1,3c0,0.55 0.45,1 1,1h1l3.6,7.59 -1.35,2.44C4.52,15.37 5.48,17 7,17h11c0.55,0 1,-0.45 1,-1s-0.45,-1 -1,-1L7,15l1.1,-2h7.45c0.75,0 1.41,-0.41 1.75,-1.03l3.58,-6.49c0.37,-0.66 -0.11,-1.48 -0.87,-1.48L5.21,4l-0.67,-1.43c-0.16,-0.35 -0.52,-0.57 -0.9,-0.57L2,2c-0.55,0 -1,0.45 -1,1zM17,18c-1.1,0 -1.99,0.9 -1.99,2s0.89,2 1.99,2 2,-0.9 2,-2 -0.9,-2 -2,-2z" />
+</vector>

main/res/layout/activity_main.xml

@@ -0,0 +1,205 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    android:orientation="vertical"
+    android:background="@drawable/beijing"
+    tools:context=".MainActivity">
+
+    <!--顶部-->
+    <androidx.appcompat.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="#FFF">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="购物车"
+            android:textColor="#000"
+            android:textSize="18sp" />
+        <!--编辑-->
+        <TextView
+            android:id="@+id/tv_edit"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="right"
+            android:layout_marginRight="12dp"
+            android:padding="@dimen/dp_4"
+            android:text="编辑"
+            android:textColor="#000"
+            android:textSize="16sp" />
+    </androidx.appcompat.widget.Toolbar>
+
+    <!--下拉刷新区域-->
+    <com.scwang.smartrefresh.layout.SmartRefreshLayout
+        android:id="@+id/refresh"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_above="@+id/lay_bottom"
+        android:layout_below="@+id/toolbar"
+        app:srlAccentColor="#000"
+        app:srlPrimaryColor="#00000000">
+        <!--刷新头部样式-->
+        <com.scwang.smartrefresh.header.StoreHouseHeader
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:shhText="SHOPPING CART" />
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+            <!--列表-->
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/rv_store"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:padding="12dp" />
+            <!--购物车为空时显示-->
+            <LinearLayout
+                android:id="@+id/lay_empty"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:orientation="vertical"
+                android:visibility="gone">
+
+                <ImageView
+                    android:layout_width="60dp"
+                    android:layout_height="60dp"
+                    android:src="@drawable/ic_shopping_cart" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="10dp"
+                    android:text="空空如也~" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="10dp"
+                    android:text="下拉可以增加数据喔~" />
+            </LinearLayout>
+        </RelativeLayout>
+
+    </com.scwang.smartrefresh.layout.SmartRefreshLayout>
+
+    <!--底部-->
+    <RelativeLayout
+        android:id="@+id/lay_bottom"
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:layout_alignParentBottom="true"
+        android:background="#FFF"
+        android:paddingLeft="12dp">
+
+        <ImageView
+            android:id="@+id/iv_checked_all"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_marginRight="12dp"
+            android:src="@drawable/ic_check" />
+
+        <TextView
+            android:id="@+id/tv_checked_all"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toRightOf="@+id/iv_checked_all"
+            android:text="全选"
+            android:textSize="16sp" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toLeftOf="@+id/tv_total"
+            android:text="合计:"
+            android:textColor="#000"
+            android:textSize="18sp" />
+
+        <TextView
+            android:id="@+id/tv_total"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_marginRight="8dp"
+            android:layout_toLeftOf="@+id/tv_settlement"
+            android:text="￥0"
+            android:textColor="#DF3B0D"
+            android:textSize="14sp" />
+
+        <!--结算-->
+        <TextView
+            android:id="@+id/tv_settlement"
+            android:layout_width="120dp"
+            android:layout_height="40dp"
+            android:layout_alignParentRight="true"
+            android:layout_centerVertical="true"
+            android:layout_marginEnd="12dp"
+            android:background="@drawable/bg_settlement"
+            android:gravity="center"
+            android:text="结算"
+            android:textColor="#FFF"
+            android:textSize="16sp" />
+
+        <!--点击编辑时出现底部布局-->
+        <LinearLayout
+            android:id="@+id/lay_edit"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginLeft="24dp"
+            android:layout_toRightOf="@+id/tv_checked_all"
+            android:background="#FFF"
+            android:gravity="center"
+            android:orientation="horizontal"
+            android:visibility="gone">
+
+            <TextView
+                android:id="@+id/tv_share_goods"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="0.3"
+                android:background="#f4c600"
+                android:foreground="?android:attr/selectableItemBackground"
+                android:gravity="center"
+                android:text="分享宝贝"
+                android:textColor="@android:color/white"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/tv_collect_goods"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginStart="1dp"
+                android:layout_weight="0.3"
+                android:background="#ea8010"
+                android:foreground="?android:attr/selectableItemBackground"
+                android:gravity="center"
+                android:text="移到收藏夹"
+                android:textColor="@android:color/white"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/tv_delete_goods"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginStart="1dp"
+                android:layout_weight="0.3"
+                android:background="#eb4f38"
+                android:foreground="?android:attr/selectableItemBackground"
+                android:gravity="center"
+                android:text="删除"
+                android:textColor="@android:color/white"
+                android:textSize="16sp" />
+        </LinearLayout>
+    </RelativeLayout>
+
+</RelativeLayout>

main/res/layout/item_good.xml

@@ -0,0 +1,120 @@
+<?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:layout_marginBottom="12dp"
+
+    android:background="@drawable/bg1"
+
+    android:gravity="center_vertical"
+    android:orientation="horizontal">
+    <!--选中商品-->
+    <ImageView
+        android:id="@+id/iv_checked_goods"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginRight="12dp"
+        android:src="@drawable/ic_check" />
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="100dp">
+        <!--商品图片-->
+        <ImageView
+            android:id="@+id/iv_goods"
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            android:layout_marginRight="12dp"
+            android:scaleType="fitXY"
+            android:src="@drawable/tu" />
+
+        <TextView
+            android:id="@+id/tv_good_name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_toRightOf="@+id/iv_goods"
+            android:text="商品名"
+            android:textColor="#000"
+            android:textSize="16sp" />
+
+        <TextView
+            android:id="@+id/tv_good_color"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/tv_good_name"
+            android:layout_marginTop="4dp"
+            android:layout_toRightOf="@+id/iv_goods"
+            android:text="商品颜色"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/tv_good_size"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/tv_good_name"
+            android:layout_marginLeft="6dp"
+            android:layout_marginTop="4dp"
+            android:layout_toRightOf="@+id/tv_good_color"
+            android:text="商品尺寸"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/tv_goods_price"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentBottom="true"
+            android:layout_centerVertical="true"
+            android:layout_marginBottom="4dp"
+            android:layout_toRightOf="@+id/iv_goods"
+            android:lines="1"
+            android:text="￥100000.00"
+            android:textColor="#DF550B"
+            android:textSize="20sp"
+            android:textStyle="bold" />
+
+        <!--改变商品数量-->
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentRight="true"
+            android:layout_alignParentBottom="true"
+            android:layout_marginTop="10dp"
+            android:layout_marginBottom="4dp"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/tv_reduce_goods_num"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:background="@drawable/bg_reduce_goods_num"
+                android:gravity="center"
+                android:text="—"
+                android:textColor="#000"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/tv_goods_num"
+                android:layout_width="40dp"
+                android:layout_height="24dp"
+                android:layout_marginLeft="-0.5dp"
+                android:layout_marginRight="-0.5dp"
+                android:layout_toRightOf="@+id/tv_reduce_goods_num"
+                android:background="@drawable/bg_goods_num"
+                android:gravity="center"
+                android:text="1"
+                android:textColor="#000"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/tv_increase_goods_num"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:layout_toRightOf="@+id/tv_goods_num"
+                android:background="@drawable/bg_increase_goods_num"
+                android:gravity="center"
+                android:text="+"
+                android:textColor="#000"
+                android:textSize="16sp" />
+        </RelativeLayout>
+    </RelativeLayout>
+</LinearLayout>

main/res/layout/item_store.xml

@@ -0,0 +1,38 @@
+<?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:layout_marginBottom="12dp"
+    android:background="@drawable/bg_white_8"
+    android:orientation="vertical"
+    android:padding="12dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="12dp"
+        android:gravity="center_vertical">
+        <!--选中店铺-->
+        <ImageView
+            android:id="@+id/iv_checked_store"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginRight="12dp"
+            android:src="@drawable/ic_check" />
+
+        <TextView
+            android:id="@+id/tv_store_name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="店铺名"
+            android:textColor="#000"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+    <!--店铺商品列表-->
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv_goods"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+</LinearLayout>

main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#FFF</color>
+    <color name="colorPrimaryDark">#FFF</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">ShoppingCart</string>
+</resources>

main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

main/res/xml/network_config.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <base-config cleartextTrafficPermitted="true" />
+</network-security-config>