购物车

最新推荐文章于 2023-05-26 14:36:40 发布

原创最新推荐文章于 2023-05-26 14:36:40 发布 · 273 阅读

CC 4.0 BY-SA版权

//1 主页面布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.bwei.www.thridweek1117.MainActivity">

    <RelativeLayout
        android:id="@+id/rl_top"
        android:layout_width="match_parent"
        android:layout_height="55dp"
        android:background="#e67137">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="购物车"
            android:textSize="22sp" />

        <TextView
            android:id="@+id/txt_edit"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:layout_marginTop="17dp"
            android:text="编辑"
            android:textSize="17sp" />
    </RelativeLayout>

    <android.support.v7.widget.RecyclerView
        android:layout_below="@id/rl_top"
        android:layout_above="@id/rl_bottom"
        android:id="@+id/rv_shopper"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </android.support.v7.widget.RecyclerView>

    <RelativeLayout
        android:id="@+id/rl_bottom"
        android:layout_alignParentBottom="true"
        android:layout_width="match_parent"
        android:layout_height="50dp">
        <CheckBox
            android:id="@+id/cb_total_select"
            android:text="全选"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <TextView
            android:id="@+id/txt_price"
            android:layout_toRightOf="@id/cb_total_select"
            android:textColor="#d12626"
            android:layout_marginLeft="10dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/btn_calu"
            android:background="#e67137"
            android:layout_alignParentRight="true"
            android:text="结算"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

    </RelativeLayout>

</RelativeLayout>

//2 一级列表布局

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

    <LinearLayout
        android:layout_gravity="center_vertical"
        android:layout_width="match_parent"
        android:orientation="horizontal"
        android:layout_height="wrap_content">

        <CheckBox
            android:id="@+id/cb_shopper"
            android:text="@null"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <TextView
            android:id="@+id/txt_shopper_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

    </LinearLayout>
    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv_product"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></android.support.v7.widget.RecyclerView>

</LinearLayout>

//3 二级列表布局

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

    <CheckBox
        android:layout_marginLeft="10dp"
        android:id="@+id/cb_product"
        android:text="@null"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
        <com.facebook.drawee.view.SimpleDraweeView
            android:id="@+id/img_product"
            android:layout_marginLeft="10dp"
            android:layout_toRightOf="@id/cb_product"
            android:layout_width="60dp"
            android:layout_height="60dp" />
    <com.bwei.www.thridweek1117.weight.AddDecreaseView
        android:id="@+id/adv_product"
        android:layout_alignParentRight="true"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
        <LinearLayout
            android:layout_toRightOf="@id/img_product"
            android:layout_toLeftOf="@id/adv_product"
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">
            <TextView
                android:id="@+id/txt_product_name"
                android:layout_marginLeft="10dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <TextView
                android:id="@+id/txt_single_price"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
        </LinearLayout>

</RelativeLayout>

//4 加减器布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="70dp"
    android:layout_height="wrap_content">

    <TextView
        android:id="@+id/txt_decrease"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="#ddd78181"
        android:padding="5dp"
        android:text="-" />

    <TextView
        android:id="@+id/txt_add"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:background="#ddd78181"
        android:padding="5dp"
        android:text="+" />

    <TextView
        android:id="@+id/txt_num"
        android:maxLength="3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_toLeftOf="@id/txt_add"
        android:layout_toRightOf="@id/txt_decrease"
        android:gravity="center" />

</RelativeLayout>

//5 Bean层 isChecked

package com.bwei.www.thridweek1117.bean;

import java.util.List;

/**
 * Created by asus on 2018/11/17.
 */

public class Cart {

    /**
     * msg : 请求成功
     * code : 0
     * data : [{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":80,"price":777,"pscid":40,"selected":0,"sellerid":1,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":99,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/4345173.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6037/35/2944615848/95178/6cd6cff0/594a3a10Na4ec7f39.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6607/258/1025744923/75738/da120a2d/594a3a12Ne3e6bc56.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6370/292/1057025420/64655/f87644e3/594a3a12N5b900606.jpg!q70.jpg","num":1,"pid":45,"price":2999,"pscid":39,"selected":0,"sellerid":1,"subhead":"高清双摄，就是清晰！2000+1600万高清摄像头，6GB大内存+高通骁龙835处理器，性能怪兽！","title":"一加手机5 (A5000) 6GB+64GB 月岩灰 全网通 双卡双待 移动联通电信4G手机"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/5025518.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8830/106/1760940277/195595/5cf9412f/59bf2ef5N5ab7dc16.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5428/70/1520969931/274676/b644dd0d/591128e7Nd2f70da0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5566/365/1519564203/36911/620c750c/591128eaN54ac3363.jpg!q70.jpg","num":11,"pid":58,"price":6399,"pscid":40,"selected":0,"sellerid":2,"subhead":"升级4G大显存！Nvme协议Pcie SSD,速度快人一步】GTX1050Ti就选拯救者！专业游戏键盘&新模具全新设计！","title":"联想(Lenovo)拯救者R720 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 1T+128G SSD GTX1050Ti 4G IPS 黑)"},{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":2,"pid":9,"price":78.99,"pscid":1,"selected":0,"sellerid":2,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"},{"bargainPrice":6666,"createtime":"2017-10-10T16:01:31","detailUrl":"https://item.m.jd.com/product/5089273.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8284/363/1326459580/71585/6d3e8013/59b857f2N6ca75622.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t9346/182/1406837243/282106/68af5b54/59b8480aNe8af7f5c.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8434/54/1359766007/56140/579509d9/59b85801Nfea207db.jpg!q70.jpg","num":1,"pid":46,"price":234,"pscid":39,"selected":0,"sellerid":2,"subhead":"【iPhone新品上市】新一代iPhone，让智能看起来更不一样","title":"Apple iPhone 8 Plus (A1864) 64GB 金色 移动联通电信4G手机"}],"sellerName":"商家2","sellerid":"2"},{"list":[{"bargainPrice":22.9,"createtime":"2017-10-03T23:53:28","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":1,"pid":26,"price":88,"pscid":2,"selected":0,"sellerid":3,"subhead":"三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 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全网通"}],"sellerName":"商家3","sellerid":"3"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":6,"pid":11,"price":8989,"pscid":1,"selected":0,"sellerid":4,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 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        }

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

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

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

        public static class ListBean {
            /**
             * bargainPrice : 11800.0
             * createtime : 2017-10-14T21:38:26
             * detailUrl : https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1
             * images : https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg
             * num : 1
             * pid : 80
             * price : 777.0
             * pscid : 40
             * selected : 0
             * sellerid : 1
             * subhead : 购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）
             * title : 全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G
             */

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

            public boolean isChecked() {
                return isChecked;
            }

            public void setChecked(boolean checked) {
                isChecked = checked;
            }

            public double getBargainPrice() {
                return bargainPrice;
            }

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

            public String getCreatetime() {
                return createtime;
            }

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

            public String getDetailUrl() {
                return detailUrl;
            }

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

            public String getImages() {
                return images;
            }

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

            public int getNum() {
                return num;
            }

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

            public int getPid() {
                return pid;
            }

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

            public double getPrice() {
                return price;
            }

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

            public int getPscid() {
                return pscid;
            }

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

            public int getSelected() {
                return selected;
            }

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

            public int getSellerid() {
                return sellerid;
            }

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

            public String getSubhead() {
                return subhead;
            }

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

            public String getTitle() {
                return title;
            }

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

//7 IApi

package com.bwei.www.thridweek1117;

import com.bwei.www.thridweek1117.bean.Cart;

import io.reactivex.Observable;
import retrofit2.http.GET;
import retrofit2.http.Query;

/**
 * Created by asus on 2018/11/17.
 */

public interface IApi {
    @GET("product/getCarts")
    Observable<Cart> cart1(@Query("uid") int uid);
}

//8 App

package com.bwei.www.thridweek1117;

import android.app.Application;

import com.facebook.drawee.backends.pipeline.Fresco;

/**
 * Created by asus on 2018/11/17.
 */

public class App extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        Fresco.initialize(this);
    }
}

// 9 截取字符串

package com.bwei.www.thridweek1117.HttpUtils;

/**
 * Created by asus on 2018/11/13.
 */

public class ImgProcess {
    public static String getImg(String images) {
        String[] a = images.split("\\|");
        return a[0];
    }
    public static String setImg(String images) {
        String a = images.replace("https","http");
        return a;
    }
}

// 10 HttpUtils

package com.bwei.www.thridweek1117.HttpUtils;

import java.util.concurrent.TimeUnit;

import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by asus on 2018/11/17.
 */

public class RetrofitManager {
    private static final String BASE_URL = "http://www.zhaoapi.cn/";

    private Retrofit retrofit;

    private static final class SINGLE_INSTANCE {
        private static RetrofitManager INSTANCE = new RetrofitManager();
    }

    public static RetrofitManager getInstance() {

        return SINGLE_INSTANCE.INSTANCE;
    }

    private RetrofitManager() {
        retrofit = new Retrofit.Builder()
                .baseUrl(BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .client(buildOKHttpClient())
                .build();
    }

    private OkHttpClient buildOKHttpClient() {
        return new OkHttpClient.Builder()
                .readTimeout(5000, TimeUnit.MILLISECONDS)
                .writeTimeout(5000, TimeUnit.MILLISECONDS)
                .build();
    }

    public Retrofit getRetrofit() {
        return retrofit;
    }

    public <T> T create(Class<T> clazz) {
        return retrofit.create(clazz);
    }
}

// 11 model

package com.bwei.www.thridweek1117.model;

import com.bwei.www.thridweek1117.HttpUtils.RetrofitManager;
import com.bwei.www.thridweek1117.IApi;
import com.bwei.www.thridweek1117.bean.Cart;

import io.reactivex.Observable;

/**
 * Created by asus on 2018/11/17.
 */

public class CartModel {
    public Observable<Cart> getCart(int uid){
        IApi iApi = RetrofitManager.getInstance().create(IApi.class);
        Observable<Cart> cartObservable = iApi.cart1(uid);
        return cartObservable;

    }
}

// 12 View

package com.bwei.www.thridweek1117.view;

import com.bwei.www.thridweek1117.bean.Cart;

import java.util.List;

/**
 * Created by asus on 2018/11/17.
 */

public interface IView {
    void getCart(List<Cart.DataBean> dataBeans);
    void faild(Throwable t);
}

// 13 Presenter

package com.bwei.www.thridweek1117.presenter;

import com.bwei.www.thridweek1117.bean.Cart;
import com.bwei.www.thridweek1117.model.CartModel;
import com.bwei.www.thridweek1117.view.IView;

import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;

/**
 * Created by asus on 2018/11/17.
 */

public class CartPresenter {
    private IView iv;
    private CartModel model;

    public void attach(IView iv){
        this.iv = iv;
        model = new CartModel();
    }

    public void getCart(int uid){
        model.getCart(uid)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Cart>() {
                    @Override
                    public void accept(Cart cart) throws Exception {
                        if (cart != null &"0".equals(cart.getCode())){
                            if (iv!= null){
                                iv.getCart(cart.getData());
                            }
                            return;
                        }
                        if (iv != null){
                            iv.faild(new Throwable(""+cart.getMsg()));
                        }
                    }
                }, new Consumer<Throwable>() {
                    @Override
                    public void accept(Throwable throwable) throws Exception {
                            if (iv != null){
                                iv.faild(throwable);
                            }
                    }
                });
    }
    public void detach(){
        this.iv = null;
    }

}

//14 自定义View

package com.bwei.www.thridweek1117.weight;

import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.bwei.www.thridweek1117.R;

import butterknife.BindView;

/**
 * Created by asus on 2018/11/17.
 */

public class AddDecreaseView extends LinearLayout implements View.OnClickListener {

    public interface OnAddDecreaseClickListener{
        void add (int num);
        void decrease(int num);
    }
    private OnAddDecreaseClickListener clickListener;

    public void setClickListener(OnAddDecreaseClickListener clickListener){
        this.clickListener = clickListener;
    }

    @BindView(R.id.txt_decrease)
    TextView txtDecrease;
    @BindView(R.id.txt_add)
    TextView txtAdd;
    @BindView(R.id.txt_num)
    TextView txtNum;
    private int num;
    public AddDecreaseView(Context context) {
        this(context, null);
    }

    public AddDecreaseView(Context context, @Nullable AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public AddDecreaseView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(context);

    }

    private void init(Context context) {
        View.inflate(context, R.layout.item_add, this);
        txtDecrease = findViewById(R.id.txt_decrease);
        txtAdd = findViewById(R.id.txt_add);
        txtNum = findViewById(R.id.txt_num);
        txtAdd.setOnClickListener(this);
        txtDecrease.setOnClickListener(this);
    }

    public void setNum(int num){
        this.num = num;
        txtNum.setText(num+"");
    }
    public int getNum(){
        return num;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.txt_add:
                num++;
                txtNum.setText(num+"");
                if (clickListener != null){
                    clickListener.add(num);
                }

                break;
            case R.id.txt_decrease:
                if (num>1){
                    num--;
                }
                txtNum.setText(num+"");
                if (clickListener != null){
                    clickListener.decrease(num);
                }
                break;

        }
    }
}

// 15 MainActivity

package com.bwei.www.thridweek1117;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.bwei.www.thridweek1117.adapter.CartAdapter;
import com.bwei.www.thridweek1117.adapter.ChildAdapter;
import com.bwei.www.thridweek1117.bean.Cart;
import com.bwei.www.thridweek1117.presenter.CartPresenter;
import com.bwei.www.thridweek1117.view.IView;

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

import butterknife.BindView;
import butterknife.ButterKnife;

public class MainActivity extends AppCompatActivity implements IView {

    @BindView(R.id.txt_edit)
    TextView txtEdit;
    @BindView(R.id.rl_top)
    RelativeLayout rlTop;
    @BindView(R.id.rv_shopper)
    RecyclerView rvShopper;
    @BindView(R.id.cb_total_select)
    CheckBox cbTotalSelect;
    @BindView(R.id.txt_price)
    TextView txtPrice;
    @BindView(R.id.btn_calu)
    Button btnCalu;
    @BindView(R.id.rl_bottom)
    RelativeLayout rlBottom;
    private CartPresenter presenter;
    private List<Cart.DataBean> list;
    private CartAdapter cartAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        initData();
    }

    private void initData() {
        presenter = new CartPresenter();
        presenter.attach(this);
        presenter.getCart(71);

        list = new ArrayList<>();
        cartAdapter = new CartAdapter(this,list);
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this);
        rvShopper.setLayoutManager(layoutManager);
        rvShopper.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
       rvShopper.setAdapter(cartAdapter);
       cartAdapter.notifyDataSetChanged();
       cartAdapter.setCreateClickListener(new CartAdapter.onCreateClickListener() {
           @Override
           public void onCreate(int position, boolean isChecked) {
               if (!isChecked){
                   cbTotalSelect.setChecked(false);
               }else {
                   boolean isAllCartSelect = true;
                   for (Cart.DataBean dataBean :list){
                       if (!dataBean.isChecked()){
                           isAllCartSelect = false;
                           break;
                       }
                   }
                   cbTotalSelect.setChecked(isAllCartSelect);
                   AllSum();
               }

           }
       });
       cartAdapter.setAddCreateClickListener(new ChildAdapter.onAddCreateClickListener() {
           @Override
           public void onChange(int position, int num) {
               AllSum();
           }
       });
       rvShopper.setAdapter(cartAdapter);
       cbTotalSelect.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               boolean checked = cbTotalSelect.isChecked();
               for (Cart.DataBean dataBean : list){
                 dataBean.setChecked(checked);
                 for (Cart.DataBean.ListBean listBean : dataBean.getList()){
                     listBean.setChecked(checked);
                 }
               }
               AllSum();
cartAdapter.notifyDataSetChanged();
           }
       });

    }
    private void AllSum(){
        float sum = 0;
        for (Cart.DataBean dataBean : list){
            for (Cart.DataBean.ListBean listBean : dataBean.getList()){
                if (listBean.isChecked()){
                    sum += listBean.getPrice() * listBean.getNum();
                }
            }
        }
        txtPrice.setText("总价"+sum);
    }

    @Override
    public void getCart(List<Cart.DataBean> dataBeans) {
        if (dataBeans != null){
            list.clear();
                list.addAll(dataBeans);
                cartAdapter.notifyDataSetChanged();
        }

    }

    @Override
    public void faild(Throwable t) {
        Toast.makeText(this, "" + t.getMessage(), Toast.LENGTH_SHORT).show();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        presenter.detach();
    }
}

//16 一级列表适配器

package com.bwei.www.thridweek1117.adapter;

import android.content.Context;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

import com.bwei.www.thridweek1117.R;
import com.bwei.www.thridweek1117.bean.Cart;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

/**
 * Created by asus on 2018/11/17.
 */

public class CartAdapter extends RecyclerView.Adapter<CartAdapter.ViewHolder> {
    //接口回调
    //一级列表(商家)发生变化的时候
    public interface onCreateClickListener {
        void onCreate(int position, boolean isChecked);
    }

    private onCreateClickListener createClickListener;

    public void setCreateClickListener(onCreateClickListener createClickListener) {
        this.createClickListener = createClickListener;
    }

    //二级列表的加减器监听
    private ChildAdapter.onAddCreateClickListener addCreateClickListener;

    public void setAddCreateClickListener(ChildAdapter.onAddCreateClickListener addCreateClickListener){
        this.addCreateClickListener = addCreateClickListener;
    }


    private Context context;
    private List<Cart.DataBean> list;

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v = View.inflate(context, R.layout.item_cart, null);
        ViewHolder holder = new ViewHolder(v);
        return holder;
    }

    public CartAdapter(Context context, List<Cart.DataBean> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, final int position) {
        final Cart.DataBean dataBean = list.get(position);
        holder.txtShopperName.setText(dataBean.getSellerName());
        //二级列表
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(context);
        final ChildAdapter childAdapter = new ChildAdapter(context, dataBean.getList());
        holder.rvProduct.setLayoutManager(layoutManager);
        holder.rvProduct.setAdapter(childAdapter);
        childAdapter.notifyDataSetChanged();
        //二级列表加减器的监听
        if (addCreateClickListener != null){
            childAdapter.setAddCreateClickListener(addCreateClickListener);
        }
        //二级条目复选框
        childAdapter.setChildClickListener(new ChildAdapter.onChildClickListener() {
            @Override
            public void onChildListener(int position, boolean isChecked) {
                if (!isChecked){
                    dataBean.setChecked(false);
                    createClickListener.onCreate(position,false);
                }else {
                    boolean isAllChildSelected = true;
                    for (Cart.DataBean.ListBean listBean :dataBean.getList()){
                        if (!listBean.isChecked()){
                            isAllChildSelected = false;
                            break;
                        }
                    }
                    dataBean.setChecked(isAllChildSelected);
                    createClickListener.onCreate(position,true);
                }
                notifyDataSetChanged();
            }
        });
        holder.rvProduct.setAdapter(childAdapter);
        //先取消掉之前的点击变化监听
        holder.cbShopper.setOnCheckedChangeListener(null);
        //设置好初始化的状态
        holder.cbShopper.setChecked(dataBean.isChecked());
        holder.cbShopper.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                for (Cart.DataBean.ListBean listBean : dataBean.getList()){
                    dataBean.setChecked(isChecked);
                }
                childAdapter.notifyDataSetChanged();
                if (createClickListener != null){
                    createClickListener.onCreate(position,isChecked);
                }
            }
        });

    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    class ViewHolder extends RecyclerView.ViewHolder {
        @BindView(R.id.cb_shopper)
        CheckBox cbShopper;
        @BindView(R.id.txt_shopper_name)
        TextView txtShopperName;
        @BindView(R.id.rv_product)
        RecyclerView rvProduct;

        public ViewHolder(View itemView) {
            super(itemView);
            ButterKnife.bind(this, itemView);
        }
    }
}

// 17 二级列表适配器

package com.bwei.www.thridweek1117.adapter;

import android.content.Context;
import android.net.Uri;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

import com.bwei.www.thridweek1117.HttpUtils.ImgProcess;
import com.bwei.www.thridweek1117.R;
import com.bwei.www.thridweek1117.bean.Cart;
import com.bwei.www.thridweek1117.weight.AddDecreaseView;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

/**
 * Created by asus on 2018/11/17.
 */

public class ChildAdapter extends RecyclerView.Adapter<ChildAdapter.ViewHolder> {

    //二级列表(商品)的监听
    public interface onChildClickListener{
        void onChildListener(int position,boolean isChecked);
    }
    private onChildClickListener childClickListener;

    public void setChildClickListener(onChildClickListener childClickListener){
        this.childClickListener = childClickListener;
    }

    //加减器发生变化的监听
    public interface onAddCreateClickListener{
        void onChange(int position,int num);
    }
    private onAddCreateClickListener addCreateClickListener;

    public void setAddCreateClickListener(onAddCreateClickListener addCreateClickListener){
        this.addCreateClickListener = addCreateClickListener;
    }

    private Context context;
    private List<Cart.DataBean.ListBean> list;

    public ChildAdapter(Context context, List<Cart.DataBean.ListBean> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v = View.inflate(context, R.layout.item_cart_child, null);
        ViewHolder holder = new ViewHolder(v);
        return holder;
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, final int position) {
        final Cart.DataBean.ListBean listBean=list.get(position);
        holder.txtProductName.setText(listBean.getTitle());
        holder.txtSinglePrice.setText(listBean.getPrice()+"");
        holder.imgProduct.setImageURI(Uri.parse(ImgProcess.getImg(listBean.getImages())));
        holder.advProduct.setNum(listBean.getNum());
        //商品的复选框
        holder.cbProduct.setOnCheckedChangeListener(null);
        holder.cbProduct.setChecked(listBean.isChecked());
        holder.cbProduct.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                listBean.setChecked(isChecked);
                if (childClickListener != null){
                    childClickListener.onChildListener(position,isChecked);
                }

            }
        });
        holder.advProduct.setClickListener(new AddDecreaseView.OnAddDecreaseClickListener() {
            @Override
            public void add(int num) {
                listBean.setNum(num);
                if (addCreateClickListener != null){
                    addCreateClickListener.onChange(position,num);
                }

            }

            @Override
            public void decrease(int num) {
                listBean.setNum(num);
                if (addCreateClickListener != null){
                    addCreateClickListener.onChange(position,num);
                }
            }
        });


    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    class ViewHolder extends RecyclerView.ViewHolder {
        @BindView(R.id.cb_product)
        CheckBox cbProduct;
        @BindView(R.id.img_product)
        SimpleDraweeView imgProduct;
        @BindView(R.id.adv_product)
        AddDecreaseView advProduct;
        @BindView(R.id.txt_product_name)
        TextView txtProductName;
        @BindView(R.id.txt_single_price)
        TextView txtSinglePrice;

        public ViewHolder(View itemView) {
            super(itemView);
            ButterKnife.bind(this,itemView);
        }
    }
}