购物车json实现
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CustomView
package 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 Listdata; 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 getData() { return data; } public void setData(List 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 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 getList() { return list; } public void setList(List 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{ private Context context; private List list; public ShopAdapter(Context context) { this.context = context; } public void add(List 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 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 list); } CustomViewListener listener; public void setCustomViewListener(CustomViewListener listener){ this.listener = listener; } interface CustomViewListener{ public void click(int count,List list); } DelListener delListener; public void setDelListener(DelListener listener){ this.delListener = listener; } interface DelListener{ public void del(int position,List 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接下来就是要粘贴主布局了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 list) { sum(list); } }); adapter.setCustomViewListener(new ShopAdapter.CustomViewListener() { @Override public void click(int count,List list) { sum(list); } }); adapter.setDelListener(new ShopAdapter.DelListener() { @Override public void del(int position,List list) { sum(list); } }); } float price = 0; int count; private void sum(List 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()); } }
xml version="1.0" encoding="utf-8"?>
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:id="@+id/third_recyclerview"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
/>
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"
>
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"
/>
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
>
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"
/>
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"
/>
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"
/>
自定义控件的布局
xml version="1.0" encoding="utf-8"?>
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="match_parent">
适配器的item布局
xml version="1.0" encoding="utf-8"?>
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="match_parent">
android:id="@+id/checkbox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
android:layout_width="match_parent"
android:layout_height="wrap_content" android:orientation="vertical">
android:id="@+id/shopface"
android:layout_width="80dp"
android:layout_height="80dp"
android:src="@mipmap/ic_launcher"/>
android:layout_width="match_parent"
android:layout_height="wrap_content" android:orientation="vertical">
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/danjia"/>
android:id="@+id/customviewid"
android:layout_width="100dp"
android:layout_height="50dp"/>
color
xml version="1.0" encoding="utf-8"?>
name="colorPrimary">#3F51B5
name="colorPrimaryDark">#303F9F
name="colorAccent">#FF4081
name="cwhite">#FFFFFF
name="title_bg">#FDE23D
name="tab_bg">#FFFFFF
name="tab_normal_textcolor">#373737
name="tab_selected_textcolor">#FDE23D
name="coffer">#442509
name="pressed_icon_color">#e53e42
name="background_color">#f6f6f6
name="main_red_text">#e53e42
name="padding_20dp">20dp
name="splitline_color">#dddddd
name="cblack">#000000
dinmens
xml version="1.0" encoding="utf-8"?>
<dimen name="margin_10dp">10dpdimen>
<dimen name="padding_5dp">5dpdimen>
<dimen name="padding_10dp">10dpdimen>
<dimen name="common_font_size_16">16spdimen>
<dimen name="common_font_size_14">14spdimen>
<dimen name="height_200dp">200dpdimen>
<dimen name="margin_30dp">30dpdimen>
<dimen name="margin_15dp">15dpdimen>
<dimen name="margin_1dp">1dpdimen>
<dimen name="margin_5dp">5dpdimen>
<dimen name="common_font_size_12">12spdimen>
<dimen name="padding_2dp">2dpdimen>
<dimen name="margin_20dp">20dpdimen>
权限
android:name="android.permission.READ_EXTERNAL_STORAGE" />
android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
android:name="android.permission.INTERNET" />
android:name="android.permission.ACCESS_COARSE_LOCATION" />
android:name="android.permission.ACCESS_FINE_LOCATION" />
android:name="android.permission.ACCESS_NETWORK_STATE" />
android:name="android.permission.ACCESS_WIFI_STATE" />
android:name="android.permission.CHANGE_WIFI_STATE" />
android:name="android.permission.INTERNET" />
android:name="android.permission.READ_PHONE_STATE" />
android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />
android:name="android.permission.BLUETOOTH" />
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'