Android 购物车 高仿淘宝

比下边的高级的购物车下载地址
http://download.csdn.net/download/wyj1369/10038262
先上图

接下来我就上代码啦
main布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:id="@+id/top_bar"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="@drawable/topbar_background"
        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="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentLeft="true"
                android:layout_gravity="center_vertical"
                android:padding="12dp"
                android:src="@drawable/topbar_up" />

            <TextView
                android:id="@+id/title"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:minHeight="48dp"
                android:text="购物车"
                android:textColor="#1a1a1a"
                android:textSize="16sp" />

            <TextView
                android:id="@+id/subtitle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentRight="true"
                android:layout_marginRight="12dp"
                android:gravity="center"
                android:minHeight="48dp"
                android:text=""
                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:orientation="horizontal" >

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="2.5"
            android:gravity="center_vertical"
            android:orientation="horizontal" >

            <CheckBox
                android:id="@+id/all_chekbox"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="4dp"
                android:button="@drawable/check_box_bg"
                android:checkMark="?android:attr/listChoiceIndicatorMultiple"
                android:gravity="center"
                android:minHeight="64dp"
                android:paddingLeft="10dp"
                android:textAppearance="?android:attr/textAppearanceLarge"
                android:visibility="visible" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="5dp"
                android:text="合计:"
                android:textSize="16sp"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/tv_total_price"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="￥0.00"
                android:textColor="@color/purple"
                android:textSize="16sp"
                android:textStyle="bold" />
        LinearLayout>

        <TextView
            android:id="@+id/tv_delete"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:background="@color/orange"
            android:clickable="true"
            android:gravity="center"
            android:text="删除"
            android:textColor="#FAFAFA" />

        <TextView
            android:id="@+id/tv_go_to_pay"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:background="@color/crimson"
            android:clickable="true"
            android:gravity="center"
            android:text="结算(0)"
            android:textColor="#FAFAFA" />
    LinearLayout>

LinearLayout>`

`布局文件 item_shopcart_group.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/white"
    android:orientation="vertical" >

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@android:color/white" >

        <CheckBox
            android:id="@+id/determine_chekbox"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="4dp"
            android:button="@drawable/check_box_bg"
            android:checkMark="?android:attr/listChoiceIndicatorMultiple"
            android:gravity="center"
            android:minHeight="38dp"
            android:minWidth="32dp"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:visibility="visible" />

        <TextView
            android:id="@+id/tv_source_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginBottom="10dp"
            android:layout_marginTop="10dp"
            android:layout_toRightOf="@id/determine_chekbox"
            android:background="@android:color/white"
            android:drawableLeft="@drawable/shop_ico"
            android:drawablePadding="10dp"
            android:drawableRight="@drawable/s_jr_ico"
            android:text="第八号当铺"
            android:textColor="@color/grey_color2"
            android:textSize="@dimen/txt_14" />
    RelativeLayout>

LinearLayout>

第二个布局 item_shopcart_product.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical" >

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="#CCCCCC" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/page_backgroup"
        android:orientation="horizontal" >

        <CheckBox
            android:id="@+id/check_box"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="4dp"
            android:button="@drawable/check_box_bg"
            android:checkMark="?android:attr/listChoiceIndicatorMultiple"
            android:gravity="center"
            android:minHeight="64dp"
            android:minWidth="32dp"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:visibility="visible" />

        <ImageView
            android:id="@+id/iv_adapter_list_pic"
            android:layout_width="85dp"
            android:layout_height="85dp"
            android:layout_marginBottom="15dp"
            android:layout_marginTop="13dp"
            android:scaleType="centerCrop"
            android:src="@drawable/psb" />

        <RelativeLayout
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_marginLeft="13dp" >

            <TextView
                android:id="@+id/tv_intro"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginRight="10dp"
                android:layout_marginTop="20dp"
                android:ellipsize="end"
                android:maxLines="2"
                android:text="第八号当铺美女一枚"
                android:textColor="@color/grey_color1"
                android:textSize="@dimen/txt_14" />

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_marginBottom="30dp"
                android:orientation="horizontal" >

                <TextView
                    android:id="@+id/tv_price"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:singleLine="true"
                    android:text="￥ 308.00"
                    android:textColor="@color/orange_color"
                    android:textSize="@dimen/txt_14"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/tv_type_size"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:layout_marginLeft="10dp"
                    android:layout_toRightOf="@+id/tv_price"
                    android:singleLine="true"
                    android:text="( 4L )"
                    android:textColor="@color/grey_color3"
                    android:textSize="@dimen/txt_10"
                    android:visibility="gone" />

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentRight="true"
                    android:layout_centerVertical="true"
                    android:layout_marginRight="15dp"
                    android:orientation="horizontal" >

                    <TextView
                        android:id="@+id/tv_reduce"
                        android:layout_width="25dp"
                        android:layout_height="25dp"
                        android:background="@drawable/text_angle_gray"
                        android:gravity="center"
                        android:text="一"
                        android:textColor="@color/grey_color1"
                        android:textSize="@dimen/txt_12" />

                    <TextView
                        android:id="@+id/tv_num"
                        android:layout_width="25dp"
                        android:layout_height="25dp"
                        android:background="@drawable/text_angle"
                        android:gravity="center"
                        android:singleLine="true"
                        android:text="1"
                        android:textColor="@color/grey_color1"
                        android:textSize="@dimen/txt_12" />

                    <TextView
                        android:id="@+id/tv_add"
                        android:layout_width="25dp"
                        android:layout_height="25dp"
                        android:background="@drawable/text_angle_right"
                        android:gravity="center"
                        android:text="+"
                        android:textColor="@color/grey_color1"
                        android:textSize="@dimen/txt_12" />
                LinearLayout>
            RelativeLayout>
        RelativeLayout>
    LinearLayout>

LinearLayout>

配置文件字体

 
    <dimen name="txt_8">8spdimen>
    <dimen name="txt_10">10spdimen>
    <dimen name="txt_12">12spdimen>
    <dimen name="txt_14">14spdimen>
    <dimen name="txt_16">16spdimen>
    <dimen name="txt_18">18spdimen>
    <dimen name="txt_20">20spdimen>
    <dimen name="txt_22">22spdimen>
    <dimen name="txt_24">24spdimen>
    <dimen name="txt_26">26spdimen>
    <dimen name="txt_28">28spdimen>

颜色`

<resources>

    
    <color name="list_divider">#999999color>
    
    <color name="list_item_pressed">#D7D7D7color>
    <color name="white">#ffffffcolor>
    
    <color name="ivory">#fffff0color>
    
    <color name="lightyellow">#ffffe0color>
    <color name="capture_text_cover_bg">#3060a4e3color>

    
    <color name="yellow">#ffff00color>
    
    <color name="snow">#fffafacolor>
    
    <color name="floralwhite">#fffaf0color>
    
    <color name="lemonchiffon">#fffacdcolor>
    
    <color name="cornsilk">#fff8dccolor>
    
    <color name="seaShell">#fff5eecolor>
    
    <color name="lavenderblush">#fff0f5color>
    
    <color name="papayawhip">#ffefd5color>
    
    <color name="blanchedalmond">#ffebcdcolor>
    
    <color name="mistyrose">#ffe4e1color>
    
    <color name="bisque">#ffe4c4color>
    
    <color name="moccasin">#ffe4b5color>
    
    <color name="navajowhite">#ffdeadcolor>
    
    <color name="peachpuff">#ffdab9color>
    
    <color name="gold">#ffd700color>
    
    <color name="pink">#ffc0cbcolor>
    
    <color name="lightpink">#ffb6c1color>
    
    <color name="orange">#fd7903color>
    
    <color name="lightsalmon">#ffa07acolor>
    
    <color name="darkorange">#ff8c00color>
    
    <color name="coral">#ff7f50color>
    
    <color name="hotpink">#ff69b4color>
    
    <color name="tomato">#ff6347color>
    
    <color name="orangered">#ff4500color>
    
    <color name="deeppink">#ff1493color>
    
    <color name="fuchsia">#ff00ffcolor>
    
    <color name="magenta">#ff00ffcolor>
    
    <color name="red">#ff0000color>
    
    <color name="oldlace">#fdf5e6color>
    
    <color name="lightgoldenrodyellow">#fafad2color>
    
    <color name="linen">#faf0e6color>
    
    <color name="antiquewhite">#faebd7color>
    
    <color name="salmon">#fa8072color>
    
    <color name="ghostwhite">#f8f8ffcolor>
    
    <color name="mintcream">#f5fffacolor>
    
    <color name="whitesmoke">#f5f5f5color>
    
    <color name="beige">#f5f5dccolor>
    
    <color name="wheat">#f5deb3color>
    
    <color name="sandybrown">#f4a460color>
    
    <color name="azure">#f0ffffcolor>
    
    <color name="honeydew">#f0fff0color>
    
    <color name="aliceblue">#f0f8ffcolor>
    
    <color name="khaki">#f0e68ccolor>
    
    <color name="lightcoral">#f08080color>
    
    <color name="palegoldenrod">#eee8aacolor>
    
    <color name="violet">#ee82eecolor>
    
    <color name="darksalmon">#e9967acolor>
    
    <color name="lavender">#e6e6facolor>
    
    <color name="lightcyan">#e0ffffcolor>
    
    <color name="burlywood">#deb887color>
    
    <color name="plum">#dda0ddcolor>
    
    <color name="gainsboro">#dcdcdccolor>
    
    <color name="crimson">#dc143ccolor>
    
    <color name="palevioletred">#db7093color>
    
    <color name="goldenrod">#daa520color>
    
    <color name="orchid">#da70d6color>
    
    <color name="thistle">#d8bfd8color>
    
    <color name="lightgray">#d3d3d3color>
    
    <color name="lightgrey">#d3d3d3color>
    
    <color name="tan">#d2b48ccolor>
    
    <color name="chocolate">#d2691ecolor>
    
    <color name="peru">#cd853fcolor>
    
    <color name="indianred">#cd5c5ccolor>
    
    <color name="mediumvioletred">#c71585color>
    
    <color name="silver">#c0c0c0color>
    
    <color name="darkkhaki">#bdb76bcolor>
    
    <color name="rosybrown">#bc8f8fcolor>
    
    <color name="mediumorchid">#ba55d3color>
    
    <color name="darkgoldenrod">#b8860bcolor>
    
    <color name="firebrick">#b22222color>
    
    <color name="powderblue">#b0e0e6color>
    
    <color name="lightsteelblue">#b0c4decolor>
    
    <color name="paleturquoise">#afeeeecolor>
    
    <color name="greenyellow">#adff2fcolor>
    
    <color name="lightblue">#add8e6color>
    
    <color name="darkgray">#a9a9a9color>
    
    <color name="darkgrey">#a9a9a9color>
    
    <color name="brown">#a52a2acolor>
    
    <color name="sienna">#a0522dcolor>
    
    <color name="darkorchid">#9932cccolor>
    
    <color name="palegreen">#98fb98color>
    
    <color name="darkviolet">#9400d3color>
    
    <color name="mediumpurple">#9370dbcolor>
    
    <color name="lightgreen">#90ee90color>
    
    <color name="darkseagreen">#8fbc8fcolor>
    
    <color name="saddlebrown">#8b4513color>
    
    <color name="darkmagenta">#8b008bcolor>
    
    <color name="darkred">#8b0000color>
    
    <color name="blueviolet">#8a2be2color>
    
    <color name="lightskyblue">#87cefacolor>
    
    <color name="skyblue">#87ceebcolor>
    
    <color name="gray">#808080color>
    
    <color name="grey">#7c7b7bcolor>
    
    <color name="olive">#808000color>
    
    <color name="purple">#800080color>
    
    <color name="maroon">#800000color>
    
    <color name="aquamarine">#7fffd4color>
    
    <color name="chartreuse">#7fff00color>
    
    <color name="lawngreen">#7cfc00color>
    
    <color name="mediumslateblue">#7b68eecolor>
    
    <color name="lightslategray">#778899color>
    
    <color name="lightslategrey">#778899color>
    
    <color name="slategray">#708090color>
    
    <color name="slategrey">#708090color>
    
    <color name="olivedrab">#6b8e23color>
    
    <color name="slateblue">#6a5acdcolor>
    
    <color name="dimgray">#696969color>
    
    <color name="dimgrey">#696969color>
    
    <color name="mediumaquamarine">#66cdaacolor>
    
    <color name="cornflowerblue">#6495edcolor>
    
    <color name="cadetblue">#5f9ea0color>
    
    <color name="darkolivegreen">#556b2fcolor>
    
    <color name="indigo">#4b0082color>
    
    <color name="mediumturquoise">#48d1cccolor>
    
    <color name="darkslateblue">#483d8bcolor>
    
    <color name="steelblue">#4682b4color>
    
    <color name="royalblue">#4169e1color>
    
    <color name="turquoise">#40e0d0color>
    
    <color name="mediumseagreen">#3cb371color>
    
    <color name="limegreen">#32cd32color>
    
    <color name="darkslategray">#2f4f4fcolor>
    
    <color name="darkslategrey">#2f4f4fcolor>
    
    <color name="seagreen">#2e8b57color>
    
    <color name="forestgreen">#228b22color>
    
    <color name="lightseagreen">#20b2aacolor>
    
    <color name="dodgerblue">#1e90ffcolor>
    
    <color name="midnightblue">#191970color>
    
    <color name="aqua">#00ffffcolor>
    
    <color name="cyan">#00ffffcolor>
    
    <color name="springgreen">#00ff7fcolor>
    
    <color name="lime">#00ff00color>
    
    <color name="mediumspringgreen">#00fa9acolor>
    
    <color name="darkturquoise">#00ced1color>
    
    <color name="deepskyblue">#00bfffcolor>
    
    <color name="darkcyan">#008b8bcolor>
    
    <color name="teal">#008080color>
    
    <color name="green">#008000color>
    
    <color name="darkgreen">#006400color>
    
    <color name="blue">#005dc1color>
    
    <color name="mediumblue">#0000cdcolor>
    
    <color name="darkblue">#00008bcolor>
    
    <color name="navy">#000080color>
    
    <color name="black">#3B3B3Bcolor>
    
    
    
    <color name="text_click">#0174E1color>
    <color name="table_background">#cbcbcbcolor>
    <color name="background">#eaeaeacolor>
    <color name="light_white">#fcfcfccolor>
    <color name="tab_main_color">#1e1d1dcolor>
    <color name="comm_bg">#eaeaeacolor>
    
    <color name="comm_text_black">#464646color>
    
    <color name="comm_text_left">#3c3c3ccolor>
    
    <color name="comm_text_right">#3c3c3ccolor>
    <color name="comm_text_red">#da1609color>
    <color name="comm_text_blue">#0f90e3color>
    <color name="comm_text_green">#66c058color>
    <color name="comm_text_yellow">#DAE532color>
    <color name="comm_button_blue">#0074E1color>
    
    <color name="comm_text_tips">#949494color>
    
    <color name="comm_cutline">#c4c4c4color>

    
    <color name="pressed_bg">#f2f2f2color>
    <color name="nopressed_bg">#fffcolor>

    
    <color name="title_content_color">#484848color>
    <color name="content_color">#7d7d7dcolor>

    
    <color name="new_red">#D21A3Ecolor>
    <color name="new_red_press">#B41131color>
    <color name="text_black">#515151color>
    <color name="text_left">#646464color>
    <color name="text_right">#a1a1a1color>
    <color name="text_gray">#b5b5b5color>
    <color name="cutline_gray">#c4c4c4color>
    <color name="text_yellow">#b18500color>
    <color name="btn_bg_gray">#f7f7f7color>
    <color name="new_green">#00FF99color>

    
    <color name="menu_item_bg">#f6f6f6color>
    <color name="text_tips">#929292color>
    
    <color name="text_left_account">#464646color>
    <color name="text_bom_account">#464646color>
    
    <color name="text_price_red">#ed3b3bcolor>
    <color name="text_sold_greay">#b0b0b0color>
    <color name="text_title_black">#232323color>
    
    <color name="text_question">#333333color>
    <color name="text_answer">#777777color>
    <color name="result_view">#b0000000color>
    <color name="viewfinder_mask">#60000000color>
    <color name="possible_result_points">#c0ffff00color>
    <color name="transparent">#00000000color>
    <color name="comm_card_bg">#ffffffcolor>
    <color name="grey_50">#fafafacolor>
    <color name="grey_200">#eeeeeecolor>
    <color name="btn_blue">#0067dbcolor>
    
    <color name="right_menu_unpressed">#CDCEC9color>
    <color name="right_menu_pressed">#C3C3C3color>
    <color name="menu_item_press">#2e000000color>
    <color name="page_backgroup">#f2f2f2color>
    
    <color name="grey_color1">#333333color>
    <color name="grey_color2">#666666color>
    <color name="grey_color3">#999999color>
    
    <color name="orange_color">#de6838color>

resources>

适配器 ShopcartExpandableListViewAdapter

package com.jock.adapter;

import java.util.List;
import java.util.Map;

import android.content.Context;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.TextView;

import com.jock.entity.GroupInfo;
import com.jock.entity.ProductInfo;
import com.jock.shopcar.R;

public class ShopcartExpandableListViewAdapter extends BaseExpandableListAdapter
{
    private List groups;
    private Map> children;
    private Context context;
    //HashMap groupMap = new HashMap();
    //HashMap childrenMap = new HashMap();
    private CheckInterface checkInterface;
    private ModifyCountInterface modifyCountInterface;

    /**
     * 构造函数
     * 
     * @param groups
     *            组元素列表
     * @param children
     *            子元素列表
     * @param context
     */
    public ShopcartExpandableListViewAdapter(List groups, Map> children, Context context)
    {
        super();
        this.groups = groups;
        this.children = children;
        this.context = context;
    }

    public void setCheckInterface(CheckInterface checkInterface)
    {
        this.checkInterface = checkInterface;
    }

    public void setModifyCountInterface(ModifyCountInterface modifyCountInterface)
    {
        this.modifyCountInterface = modifyCountInterface;
    }

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

    @Override
    public int getChildrenCount(int groupPosition)
    {
        String groupId = groups.get(groupPosition).getId();
        return children.get(groupId).size();
    }

    @Override
    public Object getGroup(int groupPosition)
    {
        return groups.get(groupPosition);
    }

    @Override
    public Object getChild(int groupPosition, int childPosition)
    {
        List childs = children.get(groups.get(groupPosition).getId());

        return childs.get(childPosition);
    }

    @Override
    public long getGroupId(int groupPosition)
    {
        return 0;
    }

    @Override
    public long getChildId(int groupPosition, int childPosition)
    {
        return 0;
    }

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

    @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent)
    {

        GroupHolder gholder;
        if (convertView == null)
        {
            gholder = new GroupHolder();
            convertView = View.inflate(context, R.layout.item_shopcart_group, null);
            gholder.cb_check = (CheckBox) convertView.findViewById(R.id.determine_chekbox);
            gholder.tv_group_name = (TextView) convertView.findViewById(R.id.tv_source_name);
            //groupMap.put(groupPosition, convertView);
             convertView.setTag(gholder);
        } else
        {
            // convertView = groupMap.get(groupPosition);
            gholder = (GroupHolder) convertView.getTag();
        }
        final GroupInfo group = (GroupInfo) getGroup(groupPosition);
        if (group != null)
        {
            gholder.tv_group_name.setText(group.getName());
            gholder.cb_check.setOnClickListener(new OnClickListener()
            {
                @Override
                public void onClick(View v)

                {
                    group.setChoosed(((CheckBox) v).isChecked());
                    checkInterface.checkGroup(groupPosition, ((CheckBox) v).isChecked());// 暴露组选接口
                }
            });
            gholder.cb_check.setChecked(group.isChoosed());
        }
        return convertView;
    }

    @Override
    public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent)
    {

        final ChildHolder cholder;
        if (convertView == null)
        {
            cholder = new ChildHolder();
            convertView = View.inflate(context, R.layout.item_shopcart_product, null);
            cholder.cb_check = (CheckBox) convertView.findViewById(R.id.check_box);

            cholder.tv_product_desc = (TextView) convertView.findViewById(R.id.tv_intro);
            cholder.tv_price = (TextView) convertView.findViewById(R.id.tv_price);
            cholder.iv_increase = (TextView) convertView.findViewById(R.id.tv_add);
            cholder.iv_decrease = (TextView) convertView.findViewById(R.id.tv_reduce);
            cholder.tv_count = (TextView) convertView.findViewById(R.id.tv_num);
            // childrenMap.put(groupPosition, convertView);
            convertView.setTag(cholder);
        } else
        {
            // convertView = childrenMap.get(groupPosition);
            cholder = (ChildHolder) convertView.getTag();
        }
        final ProductInfo product = (ProductInfo) getChild(groupPosition, childPosition);

        if (product != null)
        {

            cholder.tv_product_desc.setText(product.getDesc());
            cholder.tv_price.setText("￥" + product.getPrice() + "");
            cholder.tv_count.setText(product.getCount() + "");
            cholder.cb_check.setChecked(product.isChoosed());
            cholder.cb_check.setOnClickListener(new OnClickListener()
            {
                @Override
                public void onClick(View v)
                {
                    product.setChoosed(((CheckBox) v).isChecked());
                    cholder.cb_check.setChecked(((CheckBox) v).isChecked());
                    checkInterface.checkChild(groupPosition, childPosition, ((CheckBox) v).isChecked());// 暴露子选接口
                }
            });
            cholder.iv_increase.setOnClickListener(new OnClickListener()
            {
                @Override
                public void onClick(View v)
                {
                    modifyCountInterface.doIncrease(groupPosition, childPosition, cholder.tv_count, cholder.cb_check.isChecked());// 暴露增加接口
                }
            });
            cholder.iv_decrease.setOnClickListener(new OnClickListener()
            {
                @Override
                public void onClick(View v)
                {
                    modifyCountInterface.doDecrease(groupPosition, childPosition, cholder.tv_count, cholder.cb_check.isChecked());// 暴露删减接口
                }
            });
        }
        return convertView;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition)
    {
        return false;
    }

    /**
     * 组元素绑定器
     * 
     * 
     */
    private class GroupHolder
    {
        CheckBox cb_check;
        TextView tv_group_name;
    }

    /**
     * 子元素绑定器
     * 
     * 
     */
    private class ChildHolder
    {
        CheckBox cb_check;

        TextView tv_product_name;
        TextView tv_product_desc;
        TextView tv_price;
        TextView iv_increase;
        TextView tv_count;
        TextView iv_decrease;
    }

    /**
     * 复选框接口
     * 
     * 
     */
    public interface CheckInterface
    {
        /**
         * 组选框状态改变触发的事件
         * 
         * @param groupPosition
         *            组元素位置
         * @param isChecked
         *            组元素选中与否
         */
        public void checkGroup(int groupPosition, boolean isChecked);

        /**
         * 子选框状态改变时触发的事件
         * 
         * @param groupPosition
         *            组元素位置
         * @param childPosition
         *            子元素位置
         * @param isChecked
         *            子元素选中与否
         */
        public void checkChild(int groupPosition, int childPosition, boolean isChecked);
    }

    /**
     * 改变数量的接口
     * 
     * 
     */
    public interface ModifyCountInterface
    {
        /**
         * 增加操作
         * 
         * @param groupPosition
         *            组元素位置
         * @param childPosition
         *            子元素位置
         * @param showCountView
         *            用于展示变化后数量的View
         * @param isChecked
         *            子元素选中与否
         */
        public void doIncrease(int groupPosition, int childPosition, View showCountView, boolean isChecked);

        /**
         * 删减操作
         * 
         * @param groupPosition
         *            组元素位置
         * @param childPosition
         *            子元素位置
         * @param showCountView
         *            用于展示变化后数量的View
         * @param isChecked
         *            子元素选中与否
         */
        public void doDecrease(int groupPosition, int childPosition, View showCountView, boolean isChecked);
    }

}

bean类1

package com.jock.entity;


public class BaseInfo
{
    protected String Id;
    protected String name;
    protected boolean isChoosed;

    public BaseInfo()
    {
        super();
    }

    public BaseInfo(String id, String name)
    {
        super();
        Id = id;
        this.name = name;

    }

    public String getId()
    {
        return Id;
    }

    public void setId(String id)
    {
        Id = id;
    }

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public boolean isChoosed()
    {
        return isChoosed;
    }

    public void setChoosed(boolean isChoosed)
    {
        this.isChoosed = isChoosed;
    }

}

bean2

package com.jock.entity;

public class GroupInfo extends BaseInfo
{
    public GroupInfo()
    {
        super();
    }

    public GroupInfo(String id, String name)
    {
        super(id, name);
        // TODO Auto-generated constructor stub
    }

}

bean类3

package com.jock.entity;


public class ProductInfo extends BaseInfo
{
    private String imageUrl;
    private String desc;
    private double price;
    private int count;
    private int position;// 绝对位置，只在ListView构造的购物车中，在删除时有效

    public ProductInfo()
    {
        super();
    }

    public ProductInfo(String id, String name, String imageUrl, String desc, double price, int count)
    {

        super.Id = id;
        super.name = name;
        this.imageUrl = imageUrl;
        this.desc = desc;
        this.price = price;
        this.count = count;

    }

    public String getImageUrl()
    {
        return imageUrl;
    }

    public void setImageUrl(String imageUrl)
    {
        this.imageUrl = imageUrl;
    }

    public String getDesc()
    {
        return desc;
    }

    public void setDesc(String desc)
    {
        this.desc = desc;
    }

    public int getCount()
    {
        return count;
    }

    public void setCount(int count)
    {
        this.count = count;
    }

    public double getPrice()
    {
        return price;
    }

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

    public int getPosition()
    {
        return position;
    }

    public void setPosition(int position)
    {
        this.position = position;
    }

}

main中的代码

package com.jock.shopcart;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;
import android.widget.Toast;

import com.jock.adapter.ShopcartExpandableListViewAdapter;
import com.jock.adapter.ShopcartExpandableListViewAdapter.CheckInterface;
import com.jock.adapter.ShopcartExpandableListViewAdapter.ModifyCountInterface;
import com.jock.entity.GroupInfo;
import com.jock.entity.ProductInfo;
import com.jock.shopcar.R;

public class MainActivity extends Activity implements CheckInterface, ModifyCountInterface, OnClickListener
{
    private ExpandableListView exListView;
    private CheckBox cb_check_all;
    private TextView tv_total_price;
    private TextView tv_delete;
    private TextView tv_go_to_pay;
    private Context context;

    private double totalPrice = 0.00;// 购买的商品总价
    private int totalCount = 0;// 购买的商品总数量

    private ShopcartExpandableListViewAdapter selva;
    private List groups = new ArrayList();// 组元素数据列表
    private Map> children = new HashMap>();// 子元素数据列表

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);

        initView();
        initEvents();
    }

    private void initView()
    {
        context = this;
        virtualData();
        exListView = (ExpandableListView) findViewById(R.id.exListView);
        cb_check_all = (CheckBox) findViewById(R.id.all_chekbox);
        tv_total_price = (TextView) findViewById(R.id.tv_total_price);
        tv_delete = (TextView) findViewById(R.id.tv_delete);
        tv_go_to_pay = (TextView) findViewById(R.id.tv_go_to_pay);
    }

    private void initEvents()
    {
        selva = new ShopcartExpandableListViewAdapter(groups, children, this);
        selva.setCheckInterface(this);// 关键步骤1,设置复选框接口
        selva.setModifyCountInterface(this);// 关键步骤2,设置数量增减接口
        exListView.setAdapter(selva);

        for (int i = 0; i < selva.getGroupCount(); i++)
        {
            exListView.expandGroup(i);// 关键步骤3,初始化时，将ExpandableListView以展开的方式呈现
        }

        cb_check_all.setOnClickListener(this);
        tv_delete.setOnClickListener(this);
        tv_go_to_pay.setOnClickListener(this);
    }

    /**
     * 模拟数据

     * 遵循适配器的数据列表填充原则，组元素被放在一个List中，对应的组元素下辖的子元素被放在Map中，

     * 其键是组元素的Id(通常是一个唯一指定组元素身份的值)
     */
    private void virtualData()
    {

        for (int i = 0; i < 6; i++)
        {

            groups.add(new GroupInfo(i + "", "第八号当铺" + (i + 1) + "号店"));

            List products = new ArrayList();
            for (int j = 0; j <= i; j++)
            {

                products.add(new ProductInfo(j + "", "商品", "", groups.get(i).getName() + "的第" + (j + 1) + "个商品", 120.00 + i * j, 1));
            }
            children.put(groups.get(i).getId(), products);// 将组元素的一个唯一值，这里取Id，作为子元素List的Key
        }
    }

    @Override
    public void onClick(View v)
    {
        AlertDialog alert;
        switch (v.getId())
        {
        case R.id.all_chekbox:
            doCheckAll();
            break;
        case R.id.tv_go_to_pay:
            if (totalCount == 0)
            {
                Toast.makeText(context, "请选择要支付的商品", Toast.LENGTH_LONG).show();
                return;
            }
            alert = new AlertDialog.Builder(context).create();
            alert.setTitle("操作提示");
            alert.setMessage("总计:\n" + totalCount + "种商品\n" + totalPrice + "元");
            alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener()
            {
                @Override
                public void onClick(DialogInterface dialog, int which)
                {
                    return;
                }
            });
            alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener()
            {
                @Override
                public void onClick(DialogInterface dialog, int which)
                {
                    return;
                }
            });
            alert.show();
            break;
        case R.id.tv_delete:
            if (totalCount == 0)
            {
                Toast.makeText(context, "请选择要移除的商品", Toast.LENGTH_LONG).show();
                return;
            }
            alert = new AlertDialog.Builder(context).create();
            alert.setTitle("操作提示");
            alert.setMessage("您确定要将这些商品从购物车中移除吗？");
            alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener()
            {
                @Override
                public void onClick(DialogInterface dialog, int which)
                {
                    return;
                }
            });
            alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener()
            {
                @Override
                public void onClick(DialogInterface dialog, int which)
                {
                    doDelete();
                }
            });
            alert.show();
            break;
        }
    }

    /**
     * 删除操作

     * 1.不要边遍历边删除，容易出现数组越界的情况

     * 2.现将要删除的对象放进相应的列表容器中，待遍历完后，以removeAll的方式进行删除
     */
    protected void doDelete()
    {
        List toBeDeleteGroups = new ArrayList();// 待删除的组元素列表
        for (int i = 0; i < groups.size(); i++)
        {
            GroupInfo group = groups.get(i);
            if (group.isChoosed())
            {

                toBeDeleteGroups.add(group);
            }
            List toBeDeleteProducts = new ArrayList();// 待删除的子元素列表
            List childs = children.get(group.getId());
            for (int j = 0; j < childs.size(); j++)
            {
                if (childs.get(j).isChoosed())
                {
                    toBeDeleteProducts.add(childs.get(j));
                }
            }
            childs.removeAll(toBeDeleteProducts);

        }

        groups.removeAll(toBeDeleteGroups);

        selva.notifyDataSetChanged();
        calculate();
    }

    @Override
    public void doIncrease(int groupPosition, int childPosition, View showCountView, boolean isChecked)
    {

        ProductInfo product = (ProductInfo) selva.getChild(groupPosition, childPosition);
        int currentCount = product.getCount();
        currentCount++;
        product.setCount(currentCount);
        ((TextView) showCountView).setText(currentCount + "");

        selva.notifyDataSetChanged();
        calculate();
    }

    @Override
    public void doDecrease(int groupPosition, int childPosition, View showCountView, boolean isChecked)
    {

        ProductInfo product = (ProductInfo) selva.getChild(groupPosition, childPosition);
        int currentCount = product.getCount();
        if (currentCount == 1)
            return;
        currentCount--;

        product.setCount(currentCount);
        ((TextView) showCountView).setText(currentCount + "");

        selva.notifyDataSetChanged();
        calculate();
    }

    @Override
    public void checkGroup(int groupPosition, boolean isChecked)
    {
        GroupInfo group = groups.get(groupPosition);
        List childs = children.get(group.getId());
        for (int i = 0; i < childs.size(); i++)
        {
            childs.get(i).setChoosed(isChecked);
        }
        if (isAllCheck())
            cb_check_all.setChecked(true);
        else
            cb_check_all.setChecked(false);
        selva.notifyDataSetChanged();
        calculate();
    }

    @Override
    public void checkChild(int groupPosition, int childPosiTion, boolean isChecked)
    {
        boolean allChildSameState = true;// 判断改组下面的所有子元素是否是同一种状态
        GroupInfo group = groups.get(groupPosition);
        List childs = children.get(group.getId());
        for (int i = 0; i < childs.size(); i++)
        {
            if (childs.get(i).isChoosed() != isChecked)
            {
                allChildSameState = false;
                break;
            }
        }
        if (allChildSameState)
        {
            group.setChoosed(isChecked);// 如果所有子元素状态相同，那么对应的组元素被设为这种统一状态
        } else
        {
            group.setChoosed(false);// 否则，组元素一律设置为未选中状态
        }

        if (isAllCheck())
            cb_check_all.setChecked(true);
        else
            cb_check_all.setChecked(false);
        selva.notifyDataSetChanged();
        calculate();
    }

    private boolean isAllCheck()
    {

        for (GroupInfo group : groups)
        {
            if (!group.isChoosed())
                return false;

        }

        return true;
    }

    /** 全选与反选 */
    private void doCheckAll()
    {
        for (int i = 0; i < groups.size(); i++)
        {
            groups.get(i).setChoosed(cb_check_all.isChecked());
            GroupInfo group = groups.get(i);
            List childs = children.get(group.getId());
            for (int j = 0; j < childs.size(); j++)
            {
                childs.get(j).setChoosed(cb_check_all.isChecked());
            }
        }
        selva.notifyDataSetChanged();
    }

    /**
     * 统计操作

     * 1.先清空全局计数器

     * 2.遍历所有子元素，只要是被选中状态的，就进行相关的计算操作

     * 3.给底部的textView进行数据填充
     */
    private void calculate()
    {
        totalCount = 0;
        totalPrice = 0.00;
        for (int i = 0; i < groups.size(); i++)
        {
            GroupInfo group = groups.get(i);
            List childs = children.get(group.getId());
            for (int j = 0; j < childs.size(); j++)
            {
                ProductInfo product = childs.get(j);
                if (product.isChoosed())
                {
                    totalCount++;
                    totalPrice += product.getPrice() * product.getCount();
                }
            }
        }
        tv_total_price.setText("￥" + totalPrice);
        tv_go_to_pay.setText("去支付(" + totalCount + ")");
    }
}

就这样啦一些没有的drawable文件没有也不影响运行
把他注释或删除到