购物车json实现
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shop.json文件
{ "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 } ] } ]}首先要创建一个自定义加减控件CustomViewpackage com.qizu.shoppingcarcar;import android.content.Context;import android.support.annotation.Nullable;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.LinearLayout;/** * Created by jiuhao on 2017/11/16. * data 2017/11/16 * time 下午 06:35 */public class CustomView extends LinearLayout{ private EditText editText; private Button revserse; private Button add; private int mCount = 1 ; public CustomView(Context context) { super(context); } public CustomView(Context context, @Nullable AttributeSet attrs) { super(context, attrs); View view = LayoutInflater.from(context).inflate(R.layout.customview,null,false); revserse = (Button) view.findViewById(R.id.revserse); add = (Button) view.findViewById(R.id.add); editText = (EditText) view.findViewById(R.id.content); revserse.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //减号 try { String content = editText.getText().toString().trim(); int count = Integer.valueOf(content)-1; mCount = count; if(count>=1){ editText.setText(count+""); } if(listener != null){ listener.click(count); } } catch (NumberFormatException e) { e.printStackTrace(); } } }); add.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //加号 try { String content = editText.getText().toString().trim(); int count = Integer.valueOf(content)+1; mCount = count; editText.setText(count+""); if(listener != null){ listener.click(count); } } catch (NumberFormatException e) { e.printStackTrace(); } } }); addView(view); } public int getCurrentCount(){ return mCount; } public CustomView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } public ClickListener listener; public void setListener(ClickListener listener){ this.listener = listener; } public interface ClickListener { public void click(int count); }}创建的Bean类
package com.qizu.shoppingcarcar;import java.util.List;/** * Created by jiuhao on 2017/11/17. * data 2017/11/17 * time 下午 03:13 */public class MyBean { /** * msg : 请求成功 * code : 0 * data : [{"list":[{"bargainPrice":22.9,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":2,"pid":24,"price":288,"pscid":2,"selected":0,"sellerid":1,"subhead":"三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/5025518.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8830/106/1760940277/195595/5cf9412f/59bf2ef5N5ab7dc16.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5428/70/1520969931/274676/b644dd0d/591128e7Nd2f70da0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5566/365/1519564203/36911/620c750c/591128eaN54ac3363.jpg!q70.jpg","num":1,"pid":58,"price":6399,"pscid":40,"selected":0,"sellerid":2,"subhead":"升级4G大显存！Nvme协议Pcie SSD,速度快人一步】GTX1050Ti就选拯救者！专业游戏键盘&新模具全新设计！","title":"联想(Lenovo)拯救者R720 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 1T+128G SSD GTX1050Ti 4G IPS 黑)"},{"bargainPrice":6666,"createtime":"2017-10-10T16:01:31","detailUrl":"https://item.m.jd.com/product/5089273.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8284/363/1326459580/71585/6d3e8013/59b857f2N6ca75622.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t9346/182/1406837243/282106/68af5b54/59b8480aNe8af7f5c.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8434/54/1359766007/56140/579509d9/59b85801Nfea207db.jpg!q70.jpg","num":1,"pid":46,"price":234,"pscid":39,"selected":0,"sellerid":2,"subhead":"【iPhone新品上市】新一代iPhone，让智能看起来更不一样","title":"Apple iPhone 8 Plus (A1864) 64GB 金色 移动联通电信4G手机"}],"sellerName":"商家2","sellerid":"2"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":82,"pid":10,"price":555.55,"pscid":1,"selected":0,"sellerid":3,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家3","sellerid":"3"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":61,"price":14999,"pscid":40,"selected":0,"sellerid":5,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}],"sellerName":"商家5","sellerid":"5"},{"list":[{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":1,"pid":100,"price":2200,"pscid":112,"selected":0,"sellerid":11,"subhead":"针织针织闪闪闪亮你的眼","title":"维迩旎 2017秋冬新款长袖针织连衣裙韩版气质中长款名媛包臀A字裙 zx179709 黑色 XL"}],"sellerName":"商家11","sellerid":"11"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":69,"price":16999,"pscid":40,"selected":0,"sellerid":13,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}],"sellerName":"商家13","sellerid":"13"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":1,"price":118,"pscid":1,"selected":0,"sellerid":17,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家17","sellerid":"17"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":2,"price":299,"pscid":1,"selected":0,"sellerid":18,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家18","sellerid":"18"}] */ private String msg; private String code; private List<DataBean> data; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public String getCode() { return code; } public void setCode(String code) { this.code = code; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class DataBean { /** * list : [{"bargainPrice":22.9,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":2,"pid":24,"price":288,"pscid":2,"selected":0,"sellerid":1,"subhead":"三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋"}] * sellerName : 商家1 * sellerid : 1 */ private String sellerName; private String sellerid; private List<ListBean> list; public String getSellerName() { return sellerName; } public void setSellerName(String sellerName) { this.sellerName = sellerName; } public String getSellerid() { return sellerid; } public void setSellerid(String sellerid) { this.sellerid = sellerid; } public List<ListBean> getList() { return list; } public void setList(List<ListBean> list) { this.list = list; } public static class ListBean { /** * bargainPrice : 22.9 * createtime : 2017-10-14T21:48:08 * detailUrl : https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends * images : https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg * num : 2 * pid : 24 * price : 288 * pscid : 2 * selected : 0 * sellerid : 1 * subhead : 三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》 * title : 三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋 */ private double bargainPrice; private String createtime; private String detailUrl; private String images; private int num; private int pid; private int price; private int pscid; private int selected; private int sellerid; private String subhead; private String title; public double getBargainPrice() { return bargainPrice; } public void setBargainPrice(double bargainPrice) { this.bargainPrice = bargainPrice; } public String getCreatetime() { return createtime; } public void setCreatetime(String createtime) { this.createtime = createtime; } public String getDetailUrl() { return detailUrl; } public void setDetailUrl(String detailUrl) { this.detailUrl = detailUrl; } public String getImages() { return images; } public void setImages(String images) { this.images = images; } public int getNum() { return num; } public void setNum(int num) { this.num = num; } public int getPid() { return pid; } public void setPid(int pid) { this.pid = pid; } public int getPrice() { return price; } public void setPrice(int 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; } } }}
adapter类
package com.qizu.shoppingcarcar;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.CheckBox;import android.widget.ImageView;import android.widget.TextView;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.ArrayList;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;/** * Created by jiuhao on 2017/11/16. * data 2017/11/16 * time 下午 06:36 */public class ShopAdapter extends RecyclerView.Adapter<ShopAdapter.IViewHolder> { private Context context; private List<ShopBean.OrderDataBean.CartlistBean> list; public ShopAdapter(Context context) { this.context = context; } public void add(List<ShopBean.OrderDataBean.CartlistBean> list) { if (this.list == null) { this.list = new ArrayList<>(); } this.list.addAll(list); notifyDataSetChanged(); } @Override public ShopAdapter.IViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = View.inflate(context, R.layout.shop_adapter, null); return new IViewHolder(view); } @Override public void onBindViewHolder(final IViewHolder holder, final int position) { holder.checkbox.setChecked(list.get(position).isCheck()); holder.danjia.setText(list.get(position).getPrice()+""); ImageLoader.getInstance().displayImage(list.get(position).getDefaultPic(),holder.shopface); holder.checkbox.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { list.get(position).setCheck(holder.checkbox.isChecked()); notifyDataSetChanged(); if(checkBoxListener != null){ checkBoxListener.check(position,holder.customviewid.getCurrentCount(),holder.checkbox.isChecked(),list); } } }); holder.customviewid.setListener(new CustomView.ClickListener() { @Override public void click(int count) { list.get(position).setCount(count); notifyDataSetChanged(); if(listener != null){ listener.click(count,list); } } }); holder.shopBtnDel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { list.remove(position); notifyDataSetChanged(); if(delListener != null){ delListener.del(position,list); } } }); } @Override public int getItemCount() { return list == null ? 0 : list.size(); } public class IViewHolder extends RecyclerView.ViewHolder { @BindView(R.id.checkbox) CheckBox checkbox; @BindView(R.id.shopface) ImageView shopface; @BindView(R.id.danjia) TextView danjia; @BindView(R.id.customviewid) CustomView customviewid; @BindView(R.id.shop_btn_del) Button shopBtnDel; public IViewHolder(View itemView) { super(itemView); ButterKnife.bind(this, itemView); } } public List<ShopBean.OrderDataBean.CartlistBean> getList(){ return list; } CheckBoxListener checkBoxListener; public void setCheckBoxListener(CheckBoxListener listener){ this.checkBoxListener = listener; } interface CheckBoxListener { public void check(int position,int count, boolean check,List<ShopBean.OrderDataBean.CartlistBean> list); } CustomViewListener listener; public void setCustomViewListener(CustomViewListener listener){ this.listener = listener; } interface CustomViewListener{ public void click(int count,List<ShopBean.OrderDataBean.CartlistBean> list); } DelListener delListener; public void setDelListener(DelListener listener){ this.delListener = listener; } interface DelListener{ public void del(int position,List<ShopBean.OrderDataBean.CartlistBean> list); }}
在主方法里面改的是
package com.qizu.shoppingcarcar;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.GridLayoutManager;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.widget.LinearLayout;import android.widget.TextView;import com.google.gson.Gson;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;import butterknife.OnClick;public class MainActivity extends AppCompatActivity { @BindView(R.id.third_recyclerview) RecyclerView thirdRecyclerview; @BindView(R.id.third_allselect) TextView thirdAllselect; @BindView(R.id.third_totalprice) TextView thirdTotalprice; @BindView(R.id.third_totalnum) TextView thirdTotalnum; @BindView(R.id.third_submit) TextView thirdSubmit; @BindView(R.id.third_pay_linear) LinearLayout thirdPayLinear; private List<ShopBean.OrderDataBean.CartlistBean> mAllOrderList = new ArrayList<>(); private ShopAdapter adapter; private GridLayoutManager manager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); getData(); thirdAllselect.setTag(1); manager = new GridLayoutManager(this,2, LinearLayoutManager.VERTICAL, false); adapter = new ShopAdapter(this); thirdRecyclerview.setLayoutManager(manager); thirdRecyclerview.setAdapter(adapter); adapter.add(mAllOrderList); adapter.setCheckBoxListener(new ShopAdapter.CheckBoxListener() { @Override public void check(int position, int count, boolean check,List<ShopBean.OrderDataBean.CartlistBean> list) { sum(list); } }); adapter.setCustomViewListener(new ShopAdapter.CustomViewListener() { @Override public void click(int count,List<ShopBean.OrderDataBean.CartlistBean> list) { sum(list); } }); adapter.setDelListener(new ShopAdapter.DelListener() { @Override public void del(int position,List<ShopBean.OrderDataBean.CartlistBean> list) { sum(list); } }); } float price = 0; int count; private void sum(List<ShopBean.OrderDataBean.CartlistBean> mAllOrderList) { price = 0; count = 0; boolean allCheck = true ; for (ShopBean.OrderDataBean.CartlistBean bean : mAllOrderList) { if (bean.isCheck()) { //得到总价 price += bean.getPrice() * bean.getCount(); //得到商品个数 count += bean.getCount(); }else { // 只要有一个商品未选中，全选按钮 应该设置成 为选中 allCheck = false; } } thirdTotalprice.setText("总价: " + price); thirdTotalnum.setText("共" + count + "件商品"); if(allCheck){ thirdAllselect.setTag(2); thirdAllselect.setBackgroundResource(R.drawable.shopcart_selected); }else { thirdAllselect.setTag(1); thirdAllselect.setBackgroundResource(R.drawable.shopcart_unselected); } } public void getData() { try { //模拟网络请求 InputStream inputStream = getAssets().open("shop.json"); String data = convertStreamToString(inputStream); Gson gson = new Gson(); ShopBean shopBean = gson.fromJson(data, ShopBean.class); for (int i = 0; i < shopBean.getOrderData().size(); i++) { int length = shopBean.getOrderData().get(i).getCartlist().size(); for (int j = 0; j < length; j++) { mAllOrderList.add(shopBean.getOrderData().get(i).getCartlist().get(j)); } } } catch (Exception e) { e.printStackTrace(); } } public static String convertStreamToString(InputStream is) { /* * To convert the InputStream to String we use the BufferedReader.readLine() * method. We iterate until the BufferedReader return null which means * there's no more data to read. Each line will appended to a StringBuilder * and returned as String. */ BufferedReader reader = new BufferedReader(new InputStreamReader(is)); StringBuilder sb = new StringBuilder(); String line = null; try { while ((line = reader.readLine()) != null) { sb.append(line); } } catch (IOException e) { e.printStackTrace(); } finally { try { is.close(); } catch (IOException e) { e.printStackTrace(); } } return sb.toString(); } boolean select = false ; @OnClick(R.id.third_allselect) public void onClick() { //全选按钮 点击事件 int tag = (Integer) thirdAllselect.getTag() ; if(tag ==1){ thirdAllselect.setTag(2); select = true; } else { thirdAllselect.setTag(1); select = false; } for (ShopBean.OrderDataBean.CartlistBean bean : mAllOrderList) { bean.setCheck(select); } adapter.notifyDataSetChanged(); sum(adapter.getList()); }}接下来就是要粘贴主布局了
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.qizu.shoppingcarcar.MainActivity"> <android.support.v7.widget.RecyclerView android:id="@+id/third_recyclerview" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" /> <LinearLayout android:layout_weight="0" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:background="#FFFFFF" android:gravity="center_vertical" android:id="@+id/third_pay_linear" > <TextView android:id="@+id/third_allselect" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="@dimen/margin_10dp" android:drawableLeft="@drawable/shopcart_unselected" android:text="全选" android:drawablePadding="@dimen/padding_5dp" /> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <TextView android:id="@+id/third_totalprice" android:layout_width="200dp" android:layout_height="wrap_content" android:paddingLeft="@dimen/padding_10dp" android:paddingTop="@dimen/padding_10dp" android:text="总价：" android:textColor="#000000" android:textSize="@dimen/common_font_size_16" /> <TextView android:textColor="#000000" android:id="@+id/third_totalnum" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="@dimen/padding_10dp" android:text="共0件商品" android:textSize="@dimen/common_font_size_14" android:paddingBottom="@dimen/padding_10dp" /> </LinearLayout> <TextView android:id="@+id/third_submit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/login_btn" android:text="去结算" android:paddingLeft="@dimen/margin_30dp" android:paddingRight="@dimen/margin_30dp" android:paddingTop="@dimen/padding_10dp" android:paddingBottom="@dimen/padding_10dp" android:textColor="#000000" android:layout_marginRight="@dimen/margin_10dp" /> </LinearLayout></LinearLayout>自定义控件的布局
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="match_parent"> <Button android:layout_width="10dp" android:layout_height="wrap_content" android:id="@+id/revserse" android:text="-" android:background="#00FFFFFF"/> <EditText android:text="1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/content"/> <Button android:background="#00FFFFFF" android:text="+" android:id="@+id/add" android:layout_width="10dp" android:layout_height="wrap_content" /></LinearLayout>
适配器的item布局
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="match_parent"> <CheckBox android:id="@+id/checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <ImageView android:id="@+id/shopface" android:layout_width="80dp" android:layout_height="80dp" android:src="@mipmap/ic_launcher"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/danjia"/> <com.qizu.shoppingcarcar.CustomView android:id="@+id/customviewid" android:layout_width="100dp" android:layout_height="50dp"/> </LinearLayout> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/shop_btn_del" android:text="删除"/> </LinearLayout></LinearLayout>color
<?xml version="1.0" encoding="utf-8"?><resources> <color name="colorPrimary">#3F51B5</color> <color name="colorPrimaryDark">#303F9F</color> <color name="colorAccent">#FF4081</color> <color name="cwhite">#FFFFFF</color> <color name="title_bg">#FDE23D</color> <color name="tab_bg">#FFFFFF</color> <color name="tab_normal_textcolor">#373737</color> <color name="tab_selected_textcolor">#FDE23D</color> <color name="coffer">#442509</color> <color name="pressed_icon_color">#e53e42</color> <color name="background_color">#f6f6f6</color> <color name="main_red_text">#e53e42</color> <dimen name="padding_20dp">20dp</dimen> <color name="splitline_color">#dddddd</color> <color name="cblack">#000000</color></resources>dinmens
<?xml version="1.0" encoding="utf-8"?><resources> <dimen name="margin_10dp">10dp</dimen> <dimen name="padding_5dp">5dp</dimen> <dimen name="padding_10dp">10dp</dimen> <dimen name="common_font_size_16">16sp</dimen> <dimen name="common_font_size_14">14sp</dimen> <dimen name="height_200dp">200dp</dimen> <dimen name="margin_30dp">30dp</dimen> <dimen name="margin_15dp">15dp</dimen> <dimen name="margin_1dp">1dp</dimen> <dimen name="margin_5dp">5dp</dimen> <dimen name="common_font_size_12">12sp</dimen> <dimen name="padding_2dp">2dp</dimen> <dimen name="margin_20dp">20dp</dimen></resources>权限
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.INTERNET" /><!-- 用于进行网络定位 --><uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /><!-- 用于访问GPS定位 --><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /><!-- 用于获取运营商信息，用于支持提供运营商信息相关的接口 --><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位 --><uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /><!-- 用于获取wifi的获取权限，wifi信息会用来进行网络定位 --><uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /><!-- 用于访问网络，网络定位需要上网 --><uses-permission android:name="android.permission.INTERNET" /><!-- 用于读取手机当前的状态 --><uses-permission android:name="android.permission.READ_PHONE_STATE" /><!-- 用于写入缓存数据到扩展存储卡 --><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><!-- 用于申请调用A-GPS模块 --><uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" /><!-- 用于申请获取蓝牙信息进行室内定位 --><uses-permission android:name="android.permission.BLUETOOTH" /><uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />依赖compile 'com.android.support:appcompat-v7:26.+'compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha7'testCompile 'junit:junit:4.12'compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'compile 'com.jakewharton:butterknife-compiler:8.8.1'compile 'com.jakewharton:butterknife:8.8.1'compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'compile 'com.google.code.gson:gson:2.8.2'
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