android实现简单的购物车

一.布局:

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_centerVertical="true"
            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="@mipmap/shop_ico"
            android:drawablePadding="10dp"
            android:drawableRight="@mipmap/s_jr_ico"
            android:text="第八号当铺"
            android:textColor="@color/grey_color2"
            android:textSize="@dimen/txt_14" />
        <Button
            android:id="@+id/tv_store_edtor"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="10dp"
            android:background="@null"
            android:text="编辑"/>
    RelativeLayout>

LinearLayout>

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/goods1" />

        <RelativeLayout
            android:id="@+id/rl_no_edtor"
            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" />
            <TextView
                android:id="@+id/tv_color_size"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="颜色：黑色；尺码：29"
                android:textColor="@color/gray"
                android:layout_centerVertical="true"
                android:layout_alignParentLeft="true"
                android:layout_alignParentStart="true" />
            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:layout_alignParentBottom="true"
                android:layout_alignParentLeft="true"
               android:layout_marginBottom="20dp"
                android:layout_alignParentStart="true">

                <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_discount_price"
                    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:text=""
                    android:textColor="@color/gray"
                    android:textSize="@dimen/txt_10"
                    />
                <TextView
                    android:id="@+id/tv_buy_num"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:layout_marginRight="20dp"
                    android:layout_alignParentRight="true"
                    android:text="X 1"
                    android:textColor="@color/gray"
                    android:textSize="@dimen/txt_10"
                    />
            RelativeLayout>
        RelativeLayout>
        <LinearLayout
            android:id="@+id/ll_edtor"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginLeft="13dp"
            android:visibility="gone"
            android:orientation="horizontal">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:orientation="vertical">
                <LinearLayout
                    android:id="@+id/ll_change_num"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignParentLeft="true"
                    android:layout_alignParentTop="true"
                    android:layout_centerVertical="true"
                    android:layout_marginTop="10dp"
                    android:orientation="horizontal" >

                    <TextView
                        android:id="@+id/tv_reduce"
                        android:layout_width="35dp"
                        android:layout_height="35dp"
                        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="35dp"
                        android:layout_height="35dp"
                        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="35dp"
                        android:layout_height="35dp"
                        android:background="@drawable/text_angle_right"
                        android:gravity="center"
                        android:text="+"
                        android:textColor="@color/grey_color1"
                        android:textSize="@dimen/txt_12" />
                LinearLayout>
                <TextView
                    android:id="@+id/tv_colorsize"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:text="颜色：黑色；尺码：29"
                    android:layout_gravity="left"
                    android:textColor="@color/gray"/>
            LinearLayout>

           <TextView
               android:id="@+id/tv_goods_delete"
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               android:layout_weight="3"
               android:text="删除"
               android:background="@color/orange"
               android:gravity="center"
               android:layout_gravity="center"
               android:textColor="@color/white"/>
        LinearLayout>
    LinearLayout>

LinearLayout>

在fragment中的布局:

<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="@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="@mipmap/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="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_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:layout_gravity="center_vertical"
            android:layout_marginRight="4dp"
            android:button="@drawable/check_box_bg"
            android:checkMark="?android:attr/listChoiceIndicatorMultiple"
            android:gravity="center"
            android:minHeight="64dp"
            android:layout_marginLeft="10dp"
            android:text="全选"
            android:textAppearance="?android:attr/textAppearanceLarge"
            />
        <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/tv_total_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="￥0.00"
                        android:textColor="@color/orangered"
                        android:textSize="16sp"
                        android:textStyle="bold" />
                LinearLayout>
                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="不含运费"
                    android:gravity="right"
                    android:textColor="@color/gray"
                    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="@color/orange"
                android:clickable="true"
                android:gravity="center"
                android:text="结算(0)"
                android:textColor="#FAFAFA"

                />
        LinearLayout>
        <LinearLayout
            android:id="@+id/ll_shar"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="4"
            android:orientation="horizontal"
            android:visibility="gone"
            >
            <TextView
                android:id="@+id/tv_share"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center"
                android:layout_weight="1"
                android:layout_marginLeft="5dp"
                android:text="分享宝贝"
                android:textColor="@color/white"
                android:background="@color/orange"
                android:textSize="16sp"
                android:layout_marginRight="5dp"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/tv_save"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="移到收藏夹"
                android:background="@color/orange"
                android:textColor="@color/white"
                android:layout_marginRight="5dp"
                android:textSize="16sp"
                android:textStyle="bold" />
            <TextView
                android:id="@+id/tv_delete"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@color/crimson"
                android:clickable="true"
                android:gravity="center"
                android:text="删除"
                android:textColor="#FAFAFA"
                />
        LinearLayout>

    LinearLayout>

LinearLayout>

二.资源文件
colors.xml(添加到自己的colors.xml)

    <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>

dimens.xml

 
    <dimen name="txt_8">8spdimen>
    <dimen name="txt_10">14spdimen>
    <dimen name="txt_12">16spdimen>
    <dimen name="txt_14">18spdimen>
    <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>

mipmap图片换成自己的图片
drawable文件中的xml文件需要自己准备

三.
GoodsInfo.java

package entity;

/**
 * 商品信息
 */
public class GoodsInfo {
    protected String Id;
    protected String name;
    protected boolean isChoosed;
    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
    private String color;
    private String size;
    private int goodsImg;
    private double discountPrice;

    public double getDiscountPrice() {
        return discountPrice;
    }

    public void setDiscountPrice(double discountPrice) {
        this.discountPrice = discountPrice;
    }

    public int getGoodsImg() {
        return goodsImg;
    }

    public void setGoodsImg(int goodsImg) {
        this.goodsImg = goodsImg;
    }

    public String getColor() {
        return color;
    }

    public void setColor(String color) {
        this.color = color;
    }

    public String getSize() {
        return size;
    }

    public void setSize(String size) {
        this.size = size;
    }

    public GoodsInfo(String id, String name, String desc, double price, int count, String color,
             String size, int goodsImg,double discountPrice) {
        Id = id;
        this.name = name;
        this.desc = desc;
        this.price = price;
        this.count = count;
        this.color=color;
        this.size=size;
        this.goodsImg=goodsImg;
        this.discountPrice=discountPrice;
    }

    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;
    }

    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;
    }

}

StoreInfo.java

package entity;

/**
 * 店铺信息
 */
public class StoreInfo
{
    protected String Id;
    protected String name;
    protected boolean isChoosed;
    private boolean isEdtor;

    public boolean isEdtor() {
        return isEdtor;
    }

    public void setIsEdtor(boolean isEdtor) {
        this.isEdtor = isEdtor;
    }

    public StoreInfo(String id, String name) {
        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;
    }
}

四.适配器

ShopcartAdapter.java

package guobao.bwie.com.gwc;

import android.content.Context;
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.StrikethroughSpan;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

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

import entity.GoodsInfo;
import entity.StoreInfo;

/**
 * 购物车数据适配器
 */
public class ShopcartAdapter extends BaseExpandableListAdapter {
    private List groups;
    private Map> children;
    private Context context;
    private CheckInterface checkInterface;
    private ModifyCountInterface modifyCountInterface;
    private int flag = 0;
   private GroupEdtorListener mListener;

    public GroupEdtorListener getmListener() {
        return mListener;
    }

    public void setmListener(GroupEdtorListener mListener) {
        this.mListener = mListener;
    }

    /**
     * 构造函数
     *
     * @param groups   组元素列表
     * @param children 子元素列表
     * @param context
     */
    public ShopcartAdapter(List groups, Map> children, Context context) {
        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 groupPosition;
    }

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

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

    @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        final GroupViewHolder gholder;
        if (convertView == null) {
            gholder = new GroupViewHolder();
            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);
            gholder.store_edtor = (Button) convertView.findViewById(R.id.tv_store_edtor);
            convertView.setTag(gholder);
        } else {
            gholder = (GroupViewHolder) convertView.getTag();
        }
        final StoreInfo group = (StoreInfo) 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());
            gholder.store_edtor.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    mListener.groupEdit(groupPosition);
                    if (flag == 0) {
                        group.setIsEdtor(true);
                        gholder.store_edtor.setText("完成");
                    } else if (flag == 1) {
                        group.setIsEdtor(false);
                        gholder.store_edtor.setText("编辑");
                    }
                    flag = (flag + 1) % 2;//其余得到循环执行上面2个不同的功能
                }
            });
        } else {
            groups.remove(groupPosition);
        }

        return convertView;
    }

    @Override
    public View getChildView(final int groupPosition, final int childPosition, final boolean isLastChild, View convertView, final ViewGroup parent) {
        final ChildViewHolder cholder;
        if (convertView == null) {
            cholder = new ChildViewHolder();
            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);
            cholder.rl_no_edtor = (RelativeLayout) convertView.findViewById(R.id.rl_no_edtor);
            cholder.tv_color_size = (TextView) convertView.findViewById(R.id.tv_color_size);
            cholder.tv_discount_price = (TextView) convertView.findViewById(R.id.tv_discount_price);
            cholder.tv_buy_num = (TextView) convertView.findViewById(R.id.tv_buy_num);
            cholder.ll_edtor = (LinearLayout) convertView.findViewById(R.id.ll_edtor);
            cholder.tv_colorsize = (TextView) convertView.findViewById(R.id.tv_colorsize);
            cholder.tv_goods_delete = (TextView) convertView.findViewById(R.id.tv_goods_delete);
            cholder.iv_adapter_list_pic= (ImageView) convertView.findViewById(R.id.iv_adapter_list_pic);
            convertView.setTag(cholder);
        } else {
            cholder = (ChildViewHolder) convertView.getTag();
        }
        if (groups.get(groupPosition).isEdtor() == true) {
            cholder.ll_edtor.setVisibility(View.VISIBLE);
            cholder.rl_no_edtor.setVisibility(View.GONE);
        } else {
            cholder.ll_edtor.setVisibility(View.GONE);
            cholder.rl_no_edtor.setVisibility(View.VISIBLE);
        }
        final GoodsInfo goodsInfo = (GoodsInfo) getChild(groupPosition, childPosition);
        if (goodsInfo != null) {
            cholder.tv_product_desc.setText(goodsInfo.getDesc());
            cholder.tv_price.setText("￥" + goodsInfo.getPrice() + "");
            cholder.tv_count.setText(goodsInfo.getCount() + "");
            cholder.iv_adapter_list_pic.setImageResource(goodsInfo.getGoodsImg());
            cholder.tv_color_size.setText("颜色：" + goodsInfo.getColor() + "," + "尺码：" + goodsInfo.getSize() + "瓶/斤");
            SpannableString spanString = new SpannableString("￥"+String.valueOf(goodsInfo.getDiscountPrice()));
            StrikethroughSpan span = new StrikethroughSpan();
            spanString.setSpan(span, 0, String.valueOf(goodsInfo.getDiscountPrice()).length()+1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            if(cholder.tv_discount_price.getText().toString().length()>0){
                cholder.tv_discount_price.setText("");
            }
            cholder.tv_discount_price.append(spanString);
            cholder.tv_buy_num.setText("x" + goodsInfo.getCount());
            cholder.cb_check.setChecked(goodsInfo.isChoosed());
            cholder.cb_check.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    goodsInfo.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
                }
            });
            //删除 购物车
            cholder.tv_goods_delete.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    AlertDialog 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) {
                                    modifyCountInterface.childDelete(groupPosition, childPosition);

                                }
                            });
                    alert.show();

                }
            });
        }
        return convertView;
    }

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

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

    /**
     * 子元素绑定器
     */
    private class ChildViewHolder {
        CheckBox cb_check;
        ImageView iv_adapter_list_pic;
        TextView tv_product_name;
        TextView tv_product_desc;
        TextView tv_price;
        TextView iv_increase;
        TextView tv_count;
        TextView iv_decrease;
        RelativeLayout rl_no_edtor;
        TextView tv_color_size;
        TextView tv_discount_price;
        TextView tv_buy_num;
        LinearLayout ll_edtor;
        TextView tv_colorsize;
        TextView tv_goods_delete;
    }

    /**
     * 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);

        /**
         * 删除子item
         * @param groupPosition
         * @param childPosition
         */
        public void childDelete(int groupPosition, int childPosition);
    }

    /**
     * 监听编辑状态
     */
    public interface GroupEdtorListener{
        public void groupEdit(int groupPosition);
    }
}

五.在Fragment中

public class Fragment2 extends Fragment implements ShopcartAdapter.CheckInterface,
        ShopcartAdapter.ModifyCountInterface, ShopcartAdapter.GroupEdtorListener{


    @BindView(R.id.back)
    ImageView back;
    @BindView(R.id.title)
    TextView title;
    @BindView(R.id.subtitle)
    TextView subtitle;
    @BindView(R.id.top_bar)
    LinearLayout topBar;
    @BindView(R.id.exListView)
    ExpandableListView exListView;
    @BindView(R.id.all_chekbox)
    CheckBox allChekbox;
    @BindView(R.id.tv_total_price)
    TextView tvTotalPrice;
    @BindView(R.id.tv_go_to_pay)
    TextView tvGoToPay;
    @BindView(R.id.ll_info)
    LinearLayout llInfo;
    @BindView(R.id.tv_share)
    TextView tvShare;
    @BindView(R.id.tv_save)
    TextView tvSave;
    @BindView(R.id.tv_delete)
    TextView tvDelete;
    @BindView(R.id.ll_shar)
    LinearLayout llShar;
    Unbinder unbinder;

    private Fragment2 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 ShopcartAdapter 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
    private int flag = 0;


    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment2, container, false);

        unbinder = ButterKnife.bind(this, view);


        context = this;
        initDatas();
        initEvents();
        return view;

    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        unbinder.unbind();
    }

    private void initEvents() {
        selva = new ShopcartAdapter(groups, children, getActivity());
        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
        selva.setmListener(this);
        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
        }
    }

    /**
     * 设置购物车产品数量
     */
    private void setCartNum() {
        int count=0;
        for (int i = 0; i < groups.size(); i++) {
            groups.get(i).setChoosed(allChekbox.isChecked());
            StoreInfo group = groups.get(i);
            List childs = children.get(group.getId());
            for (GoodsInfo goodsInfo:childs){
                count+=1;
            }
        }
        title.setText("购物车" + "(" + count + ")");
    }

    /**
     * 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 initDatas() {
        for (int i = 0; i < 3; i++) {
            groups.add(new StoreInfo(i + "", "天猫店铺" + (i + 1) + "号店"));
            List products = new ArrayList();
            for (int j = 0; j <= i; j++) {
                int[]   img={R.drawable.goods1,R.drawable.goods2,R.drawable.goods3,R.drawable.goods4,R.drawable.goods5,R.drawable.goods6};
                products.add(new GoodsInfo(j + "", "商品", groups.get(i)
                        .getName() + "的第" + (j + 1) + "个商品", 12.00 + new Random().nextInt(23), new Random().nextInt(5) + 1, "豪华", "1", img[i*j],6.00+ new Random().nextInt(13)));
            }
            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
        }

    }

    /**
     * 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++) {
            StoreInfo 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) {
        GoodsInfo product = (GoodsInfo) 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) {

        GoodsInfo product = (GoodsInfo) 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 childDelete(int groupPosition, int childPosition) {
        children.get(groups.get(groupPosition).getId()).remove(childPosition);
        StoreInfo group = groups.get(groupPosition);
        List childs = children.get(group.getId());
        if (childs.size() == 0) {
            groups.remove(groupPosition);
        }
        selva.notifyDataSetChanged();
        handler.sendEmptyMessage(0);
    }

    @Override
    public void checkGroup(int groupPosition, boolean isChecked) {
        StoreInfo 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())
            allChekbox.setChecked(true);
        else
            allChekbox.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
        StoreInfo group = groups.get(groupPosition);
        List childs = children.get(group.getId());
        for (int i = 0; i < childs.size(); i++) {
            // 不全选中
            if (childs.get(i).isChoosed() != isChecked) {
                allChildSameState = false;
                break;
            }
        }
        //获取店铺选中商品的总金额
        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()) {
            allChekbox.setChecked(true);// 全选
        } else {
            allChekbox.setChecked(false);// 反选
        }
        selva.notifyDataSetChanged();
        calculate();

    }

    private boolean isAllCheck() {

        for (StoreInfo 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(allChekbox.isChecked());
            StoreInfo group = groups.get(i);
            List childs = children.get(group.getId());
            for (int j = 0; j < childs.size(); j++) {
                childs.get(j).setChoosed(allChekbox.isChecked());
            }
        }
        selva.notifyDataSetChanged();
        calculate();
    }

    /**
     * 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++) {
            StoreInfo group = groups.get(i);
            List childs = children.get(group.getId());
            for (int j = 0; j < childs.size(); j++) {
                GoodsInfo product = childs.get(j);
                if (product.isChoosed()) {
                    totalCount++;
                    totalPrice += product.getPrice() * product.getCount();
                }
            }


        }
        tvTotalPrice.setText("￥" + totalPrice);
        tvGoToPay.setText("去支付(" + totalCount + ")");
    }

    @OnClick({R.id.all_chekbox, R.id.tv_delete, R.id.tv_go_to_pay, R.id.subtitle, R.id.tv_save, R.id.tv_share})
    public void onClick(View view) {
        AlertDialog alert;
        switch (view.getId()) {
            case R.id.all_chekbox:
                doCheckAll();
                break;
            case R.id.tv_delete:
                if (totalCount == 0) {
                    Toast.makeText(getActivity(), "请选择要移除的商品", Toast.LENGTH_LONG).show();
                    return;
                }
                alert = new AlertDialog.Builder(getActivity()).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;
            case R.id.tv_go_to_pay:
                if (totalCount == 0) {
                    Toast.makeText(getActivity(), "请选择要支付的商品", Toast.LENGTH_LONG).show();
                    return;
                }
                alert = new AlertDialog.Builder(getActivity()).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.subtitle:
                if (flag == 0) {
                    llInfo.setVisibility(View.GONE);
                    tvGoToPay.setVisibility(View.GONE);
                    llShar.setVisibility(View.VISIBLE);
                    subtitle.setText("完成");
                } else if (flag == 1) {
                    llInfo.setVisibility(View.VISIBLE);
                    tvGoToPay.setVisibility(View.VISIBLE);
                    llShar.setVisibility(View.GONE);
                    subtitle.setText("编辑");
                }
                flag = (flag + 1) % 2;//其余得到循环执行上面2个不同的功能
                break;
            case R.id.tv_share:
                if (totalCount == 0) {
                    Toast.makeText(getActivity(), "请选择要分享的商品", Toast.LENGTH_LONG).show();
                    return;
                }
                Toast.makeText(getActivity(), "分享成功", Toast.LENGTH_SHORT).show();
                break;
            case R.id.tv_save:
                if (totalCount == 0) {
                    Toast.makeText(getActivity(), "请选择要保存的商品", Toast.LENGTH_LONG).show();
                    return;
                }
                Toast.makeText(getActivity(), "保存成功", Toast.LENGTH_SHORT).show();
                break;
        }
    }


    @Override
    public void groupEdit(int groupPosition) {
        groups.get(groupPosition).setIsEdtor(true);
        selva.notifyDataSetChanged();
    }
    Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            //删除购物车后动态改变数量
            setCartNum();
        }
    };
}