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购物车二级列表演示

2017-12-19 19:49 423 查看

设置点击进入购物车之后的代码

首先添加依赖

compile 'com.github.bumptech.glide:glide:3.5.2'
compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'
compile 'com.google.code.gson:gson:2.8.2'
compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
compile 'org.greenrobot:eventbus:3.1.1'

//添加权限

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.CAMERA" />

Main2Activity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:id="@+id/top_bar"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="#f7f7f7"
android:orientation="vertical"
>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="@android:color/transparent"
android:orientation="vertical" >

<ImageView
android:id="@+id/back"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_alignParentLeft="true"
android:layout_gravity="center_vertical"
android:padding="12dp"
android:src="@drawable/back" />

<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:minHei
1e377
ght="48dp"
android:text="购物车"
android:textColor="#1a1a1a"
android:textSize="16sp" />

<TextView
android:id="@+id/edit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginRight="40dp"
android:gravity="center"
android:minHeight="48dp"
android:text="编辑"
android:textColor="#1a1a1a"
android:textSize="14sp"
android:visibility="visible" />
</RelativeLayout>

</LinearLayout>
<ExpandableListView
android:id="@+id/exListView"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:childIndicator="@null"
android:groupIndicator="@null" >
</ExpandableListView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:gravity="center_vertical"
android:orientation="horizontal"
>
<CheckBox
android:id="@+id/all_chekbox"
android:layout_marginLeft="20dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="全选"/>

<LinearLayout
android:id="@+id/ll_info"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="4"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginRight="20dp"
android:layout_weight="1"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="right"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:text="合计:"
android:textSize="18sp"
android:textStyle="bold" />

<TextView
android:id="@+id/total_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="￥0.00"
android:textColor="#f23232"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<TextView
android:id="@+id/total_number"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="共有商品:0件"
android:gravity="right"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<TextView
android:id="@+id/tv_go_to_pay"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="3"
android:background="#fd7a05"
android:clickable="true"
android:gravity="center"
android:text="结算"
android:textColor="#FAFAFA"

/>

</LinearLayout>

</LinearLayout>

</LinearLayout>

edit.xml设置在drawable文件夹下用来设置EditText背景

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#FFFFFF" />
<!--<corners android:radius="3dip"/>-->
<stroke
android:width="1dip"
android:color="#BDC7D8" />
</shape>

values下的attrs.xml方法

<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="AddDeleteViewStyle">
<attr name="left_text" format="string"></attr>
<attr name="right_text" format="string"></attr>
<attr name="middle_text" format="string"></attr>
<attr name="left_text_color" format="color"></attr>
</declare-styleable>

</resources>

//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"
xmlns:app="http://schemas.android.com/apk/res-auto">
<CheckBox
android:id="@+id/child_checkbox"
android:layout_marginTop="50dp"
android:layout_marginLeft="20dp"
android:layout_marginBottom="50dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"

/>
<RelativeLayout
android:layout_marginLeft="20dp"
android:layout_width="match_parent"
android:layout_height="match_parent">

<TextView
android:id="@+id/shop_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginLeft="17dp"
android:layout_marginStart="17dp"
android:text="TextView"
android:layout_alignParentTop="true"
/>
<ImageView
android:id="@+id/shop_img"
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_marginTop="30dp"
app:srcCompat="@mipmap/ic_launcher"
android:layout_below="@+id/shop_name"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />

<TextView
android:id="@+id/shop_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/shop_img"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:text="￥20"
android:textColor="#f23232"/>
<wuhao.bwei.com.wuhaoshopunderstand.AddDeleteView
android:id="@+id/adv"
android:layout_width="160dp"
android:layout_height="30dp"
android:layout_below="@+id/shop_price"
android:layout_marginTop="30dp"
android:layout_marginLeft="140dp"
app:left_text="-"
app:right_text="+"
app:middle_text="1"
android:focusable="false"

>

</wuhao.bwei.com.wuhaoshopunderstand.AddDeleteView>
<Button
android:id="@+id/shop_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:visibility="invisible"
android:text="删除" />

</RelativeLayout>

</LinearLayout>

二级列表布局

<?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">
<CheckBox
android:id="@+id/group_checkbox"
android:layout_marginLeft="20dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:focusable="false"/>

<TextView
android:id="@+id/shop_name"
android:layout_marginLeft="20dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16dp" />
</LinearLayout>

加减器

<?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="horizontal"
android:weightSum="1">

<TextView
android:id="@+id/txt_delete"
android:layout_width="30dp"
android:layout_height="30dp"
android:text="减"
android:gravity="center"
android:background="#8b948b"/>

<EditText
android:id="@+id/et_number"
android:layout_marginTop="2dp"
android:layout_width="50dp"
android:layout_height="30dp"
android:background="@drawable/edit"
android:layout_weight="0.00"
android:gravity="center"
android:text="1"/>
<TextView
android:id="@+id/txt_add"
android:layout_width="30dp"
android:layout_height="30dp"
android:text="加"
android:gravity="center"
android:background="#8b948b"/>

</LinearLayout>

AddDeleteView设置自定义view

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
* Created by alienware on 2017/12/18.
*/

public class AddDeleteView extends LinearLayout{

private OnAddDelClickListener listener;
private EditText etNumber;

//对外提供一个点击的回调接口
public interface OnAddDelClickListener{
void onAddClick(View v);
void onDelClick(View v);
}

public void setOnAddDelClickListener(OnAddDelClickListener listener){
if(listener!=null){
this.listener=listener;
}
}

public AddDeleteView(Context context) {
this(context,null);
}

public AddDeleteView(Context context, AttributeSet attrs) {
this(context, attrs,0);
}

public AddDeleteView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView(context, attrs, defStyleAttr);
}

private void initView(Context context, AttributeSet attrs, int defStyleAttr) {
View.inflate(context,R.layout.layout_add_delete,this);

//获取控件
TextView txtDelete=findViewById(R.id.txt_delete);
TextView txtAdd=findViewById(R.id.txt_add);
etNumber = findViewById(R.id.et_number);

TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.AddDeleteViewStyle);

String leftText = typedArray.getString(R.styleable.AddDeleteViewStyle_left_text);
String rightText = typedArray.getString(R.styleable.AddDeleteViewStyle_right_text);
String middleText = typedArray.getString(R.styleable.AddDeleteViewStyle_middle_text);
int color = typedArray.getColor(R.styleable.AddDeleteViewStyle_left_text_color, Color.RED);

txtDelete.setText(leftText);
txtAdd.setText(rightText);
etNumber.setText(middleText);
txtDelete.setTextColor(color);

//回收
typedArray.recycle();

txtDelete.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
listener.onDelClick(view);
}
});

txtAdd.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
listener.onAddClick(view);
}
});

}
//对外提供一个修改数字的方法
public void setNumber(int number){
if(number>0){
etNumber.setText(number+"");
}
}
//对外提供一个获取当前数字的方法
public int getNumber(){
String string = etNumber.getText().toString();
int i = Integer.parseInt(string);
return i;
}

}

utils包下的GsonUtils

public class GsonUtils {
private static Gson gson;

public static  Gson getInstance(){
if(gson==null){
gson = new Gson();
}
return gson;
}

}

View层定义两个接口

1.CallBack

public interface CallBack {
void onSuccess(String tag,Object o);
void onFailed(String tag,Exception e);

}

2.INewView

public interface INewView {
//创建接口
void success(String tag,Object o);
void failed(String tag,Exception e);
}

model层

public class HttpUtils {
private static final String TAG = "HttpUtils";
private static HttpUtils instance;
Handler handler = new Handler();

public HttpUtils(){
}

public static HttpUtils getInstance(){
if(null==instance){
synchronized (HttpUtils.class){
if(instance==null){
instance = new HttpUtils();
}

}

}
return instance;

}
//重写get请求
public void get(String url, Map<String,String> map, final CallBack callback, final Class cla, final String tag){
if(TextUtils.isEmpty(url)){
return;
}

StringBuffer sb = new StringBuffer();
sb.append(url);

if(!map.isEmpty()){
Log.i(TAG, "get: url="+"开始拼接+++++++++++++++++");
if(url.contains("?")){
if(url.indexOf("?")==url.length()-1){
}else{
sb.append("&");
}

}else{
sb.append("?");
}
for(Map.Entry<String,String> entry:map.entrySet()){
sb.append(entry.getKey())
.append("=")
.append(entry.getValue())
.append("&");
}
if(sb.indexOf("&")!=-1){
sb.deleteCharAt(sb.lastIndexOf("&"));
}

}
Log.i(TAG, "get: url="+sb);
OkHttpClient client = new OkHttpClient.Builder().build();

final Request request = new Request.Builder()
.get()
.url(sb.toString())
.build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
//失败
handler.post(new Runnable() {
@Override
public void run() {
callback.onFailed(tag,e);
}
});

}

@Override
public void onResponse(Call call, Response response) throws IOException {
final String result = response.body().string();
Log.e(TAG, "onResponse: result--"+result);
handler.post(new Runnable() {
@Override
public void run() {
Object o;
if (TextUtils.isEmpty(result)) {
o = null;
} else {
o = GsonUtils.getInstance().fromJson(result, cla);
}
//Log.e(TAG, "onResponse: bean--"+);
callback.onSuccess(tag,o);
}
});

}
});

}

}

P层

public class NewsPresenter {
private static final String TAG = "NewsPresenter";
private INewView inv;
public void attachView(INewView inv){
this.inv=inv;
}

public void get(String url, Map<String, String> map, String tag, Class cla){

HttpUtils.getInstance().get(url, map, new CallBack() {

@Override
public void onSuccess(String tag, Object o) {
if(o!=null){
inv.success(tag,o);
//Log.i(TAG, "onSuccess:++++++++++++++++++++++++ "+gridSudokuBeanData.toString());
}
}

@Override
public void onFailed(String tag, Exception e) {
inv.failed(tag,e);
}
}, cla,tag);

}

public void deleteView(){
if(inv!=null){
inv=null;
}
}
}

bean包下的类

public class ChildBean {
private String title;
private String images;
private double price;
private int num;
private boolean childCb;
private boolean btn;

public ChildBean(String title, String images, double price, int num, boolean childCb, boolean btn) {
this.title = title;
this.images = images;
this.price = price;
this.num = num;
this.childCb = childCb;
this.btn = btn;
}

public boolean isBtn() {
return btn;
}

public void setBtn(boolean btn) {
this.btn = btn;
}

public String getTitle() {
return title;
}

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

public String getImages() {
return images;
}

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

public double getPrice() {
return price;
}

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

public int getNum() {
return num;
}

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

public boolean isChildCb() {
return childCb;
}

public void setChildCb(boolean childCb) {
this.childCb = childCb;
}

@Override
public String toString() {
return "ChildBean{" +
"title='" + title + '\'' +
", images='" + images + '\'' +
", price=" + price +
", num=" + num +
", childCb=" + childCb +
'}';
}

}

public class GroupBean {
private String sellerName;
private boolean gropuCb;

public GroupBean(String sellerName, boolean gropuCb) {
this.sellerName = sellerName;
this.gropuCb = gropuCb;
}

public String getSellerName() {
return sellerName;
}

public void setSellerName(String sellerName) {
this.sellerName = sellerName;
}

public boolean isGropuCb() {
return gropuCb;
}

public void setGropuCb(boolean gropuCb) {
this.gropuCb = gropuCb;
}

@Override
public String toString() {
return "GroupBean{" +
"sellerName='" + sellerName + '\'' +
", gropuCb=" + gropuCb +
'}';
}

}

public class ShopCarBean {
/**
* 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":84,"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"}]
* msg : 请求成功
*/

private String code;
private String msg;
private List<DataBean> data;

public String getCode() {
return code;
}

public void setCode(String code) {
this.code = code;
}

public String getMsg() {
return msg;
}

public void setMsg(String msg) {
this.msg = msg;
}

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 : 288.0
* 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 double 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 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;
}
}
}

}

购物车的adapter

public class ExpandableAdapter extends BaseExpandableListAdapter{
// private static final String TAG = "ExpandableAdapter二级列表适配器";

private Context context;
private List<GroupBean> groupBeen=new ArrayList<>();
private List<List<ChildBean>> childBeen=new ArrayList<>();

public ExpandableAdapter(Context context, List<GroupBean> groupBeen, List<List<ChildBean>> childBeen) {
this.context = context;
this.groupBeen = groupBeen;
this.childBeen = childBeen;
}

@Override
public int getGroupCount() {
return groupBeen.size();
}

@Override
public int getChildrenCount(int i) {
return childBeen.get(i).size();
}

@Override
public Object getGroup(int i) {
return groupBeen.get(i).getSellerName();
}

@Override
public Object getChild(int i, int i1) {
return childBeen.get(i).get(i1).getTitle();
}

@Override
public long getGroupId(int i) {
return i;
}

@Override
public long getChildId(int i, int i1) {
return i1;
}

@Override
public boolean hasStableIds() {
return false;
}

//一级组
@Override
public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
//加载视图
view=View.inflate(context, R.layout.ex_group_item ,null);

final CheckBox groupCb= view.findViewById(R.id.group_checkbox);
TextView shopName= view.findViewById(R.id.shop_name);

shopName.setText(groupBeen.get(i).getSellerName());
groupCb.setChecked(groupBeen.get(i).isGropuCb());

//组复选按钮
groupCb.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
boolean gchecked = groupCb.isChecked();
groupBeen.get(i).setGropuCb(gchecked);
Main2Activity main= (Main2Activity) context;
for(GroupBean i: groupBeen){
boolean gropuCb = i.isGropuCb();
if(!gropuCb){
main.allCheckbox.setChecked(false);
break;
}else{
main.allCheckbox.setChecked(true);
}
}
int size = childBeen.get(i).size();
if(gchecked){
for(int r=0;r<size;r++){
//Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
childBeen.get(i).get(r).setChildCb(true);
}
}else{
for(int r=0;r<size;r++){
//Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
childBeen.get(i).get(r).setChildCb(false);
}
}
notifyDataSetChanged();
main.changesum(childBeen);
}
});
return view;
}

//二级组
@Override
public View getChildView(final int i, final int i1, boolean b, View v, ViewGroup viewGroup) {
//加载视图
v=View.inflate(context, R.layout.ex_child_item ,null);

final CheckBox childCb = v.findViewById(R.id.child_checkbox);
TextView shopTitle= v.findViewById(R.id.shop_title);
TextView shopPrice= v.findViewById(R.id.shop_price);
ImageView shopImg=v.findViewById(R.id.shop_img);
final AddDeleteView adv = v.findViewById(R.id.adv);
Button shop_delete=v.findViewById(R.id.shop_delete);

childCb.setChecked(childBeen.get(i).get(i1).isChildCb());
Glide.with(context).load(childBeen.get(i).get(i1).getImages()).into(shopImg);
shopTitle.setText(childBeen.get(i).get(i1).getTitle());
shopPrice.setText(childBeen.get(i).get(i1).getPrice()+"");
adv.setNumber(childBeen.get(i).get(i1).getNum());

final Main2Activity main= (Main2Activity) context;
//控制删除按钮的显隐
if(childBeen.get(i).get(i1).isBtn()){
shop_delete.setVisibility(View.VISIBLE);
}else{
shop_delete.setVisibility(View.INVISIBLE);
}
//删除按钮监听
shop_delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
int size = childBeen.get(i).size();
if(size==1){
childBeen.remove(i);
groupBeen.remove(i);
}else{
childBeen.get(i).remove(i1);
}
//点击删除后隐藏所有删除按钮
for (List<ChildBean> i1:childBeen){
for(int r=0;r<i1.size();r++) {
i1.get(r).setBtn(false);
}
}
notifyDataSetChanged();
main.changesum(childBeen);
}
});

//加减器逻辑

adv.setOnAddDelClickListener(new AddDeleteView.OnAddDelClickListener() {
@Override
public void onAddClick(View v) {
int number = adv.getNumber();
number++;
adv.setNumber(number);
childBeen.get(i).get(i1).setNum(number);
main.changesum(childBeen);
}

@Override
public void onDelClick(View v) {
int number = adv.getNumber();
number--;
adv.setNumber(number);
childBeen.get(i).get(i1).setNum(number);
main.changesum(childBeen);
}
});

//二级组的复选框监听
childCb.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
boolean flag=false;
boolean cchecked = childCb.isChecked();
childBeen.get(i).get(i1).setChildCb(cchecked);
//Toast.makeText(context,"child按钮"+ cchecked+""+i1, Toast.LENGTH_SHORT).show();
Main2Activity main= (Main2Activity) context;
for (List<ChildBean> i1:childBeen){
for(int r=0;r<i1.size();r++) {
boolean childCb1 = i1.get(r).isChildCb();
if(!childCb1){
main.allCheckbox.setChecked(false);
groupBeen.get(i).setGropuCb(false);
flag=true;
break;
}else{
main.allCheckbox.setChecked(true);
groupBeen.get(i).setGropuCb(true);
}
}
if(flag){
break;
}
}

int size = childBeen.get(i).size();
for(int x=0;x<size;x++) {
boolean childCb1 = childBeen.get(i).get(x).isChildCb();
if(!childCb1){
groupBeen.get(i).setGropuCb(false);
break;
}else{
groupBeen.get(i).setGropuCb(true);
}
}
notifyDataSetChanged();
main.changesum(childBeen);
}
});

return v;
}

@Override
public boolean isChildSelectable(int i, int i1) {
return false;
}

}

主函数的方法

public class Main2Activity extends AppCompatActivity implements INewView{
//定义全局变量
private ExpandableListView exListView;
public CheckBox allCheckbox;
private TextView totalPrice;
private TextView totalnumber;

List<GroupBean> groupBeen=new ArrayList<>();
List<List<ChildBean>> childBeen=new ArrayList<>();

private NewsPresenter presenter;
private ExpandableAdapter expandableAdapter;
private TextView edit;

private boolean flagedit=true;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
getSupportActionBar().hide();

initView();

presenter = new NewsPresenter();
presenter.attachView(this);
Map<String,String> map = new HashMap<>();
presenter.get("http://120.27.23.105/product/getCarts?uid=100",map,"car",ShopCarBean.class);

//获取二级列表适配器
expandableAdapter = new ExpandableAdapter(Main2Activity.this, groupBeen, childBeen);
exListView.setAdapter(expandableAdapter);

for(int i = 0; i < expandableAdapter.getGroupCount(); i++){

exListView.expandGroup(i);

}

exListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView expandableListView, View view, int i, long l) {
return true;
}
});

//全选监听
allCheckbox.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View view) {
boolean checked = allCheckbox.isChecked();
//改变一级item复选框
for (GroupBean i:groupBeen){
i.setGropuCb(checked);
}
//改变二级item复选框
for (List<ChildBean> i1:childBeen){
for(int r=0;r<i1.size();r++) {
i1.get(r).setChildCb(checked);
}
}
expandableAdapter.notifyDataSetChanged();
changesum(childBeen);
//Toast.makeText(Main2Activity.this,"全选按钮"+checked,Toast.LENGTH_SHORT).show();
}
});

edit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
for (List<ChildBean> i1:childBeen){
for(int r=0;r<i1.size();r++) {
i1.get(r).setBtn(flagedit);
}
}
flagedit=!flagedit;
expandableAdapter.notifyDataSetChanged();
}
});
}
private void initView() {
exListView = (ExpandableListView) findViewById(R.id.exListView);
allCheckbox = (CheckBox)findViewById(R.id.all_chekbox);
totalPrice = (TextView)findViewById(R.id.total_price);
totalnumber = (TextView)findViewById(R.id.total_number);
edit = (TextView) findViewById(R.id.edit);
}

@Override
public void success(String tag, Object o) {
//成功的方法
if(o!=null&&tag.equals("car")){
ShopCarBean shopCarBean = (ShopCarBean) o;

List<ShopCarBean.DataBean> data = shopCarBean.getData();
for(ShopCarBean.DataBean i:data){
GroupBean groupBean = new GroupBean(i.getSellerName(),false);
this.groupBeen.add(groupBean);
List<ShopCarBean.DataBean.ListBean> list = i.getList();
List<ChildBean> ls = new ArrayList<>();
for(ShopCarBean.DataBean.ListBean w:list){
String[] split = w.getImages().split("\\|");
ChildBean childBean = new ChildBean(w.getTitle(),split[0],w.getPrice(),1,false,false);
ls.add(childBean);

}
this.childBeen.add(ls);

}
for(int i = 0; i < expandableAdapter.getGroupCount(); i++){
exListView.expandGroup(i);
}
expandableAdapter.notifyDataSetChanged();

}

}

@Override
public void failed(String tag, Exception e) {
Toast.makeText(Main2Activity.this,e.getMessage()+"",Toast.LENGTH_SHORT).show();
}
//计算和数量总价
public void changesum(List<List<ChildBean>> childBeen){
//冒泡排序
int count=0;
double sum=0;
for (List<ChildBean> i1:childBeen){
for(int r=0;r<i1.size();r++) {
boolean childCb1 = i1.get(r).isChildCb();
if(childCb1){
double price = i1.get(r).getPrice();
int num = i1.get(r).getNum();
sum+=price*num;
count++;
}
}
}
totalPrice.setText("￥"+sum);
totalnumber.setText("共有商品:"+count+"件");
}

}

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