Android 购物车 高仿淘宝
来源：互联网 发布：软件体系结构设计报告 编辑：程序博客网 时间：2024/04/28 21:49
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
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="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
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="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
<!-- 字体大小 --> <dimen name="txt_8">8sp</dimen> <dimen name="txt_10">10sp</dimen> <dimen name="txt_12">12sp</dimen> <dimen name="txt_14">14sp</dimen> <dimen name="txt_16">16sp</dimen> <dimen name="txt_18">18sp</dimen> <dimen name="txt_20">20sp</dimen> <dimen name="txt_22">22sp</dimen> <dimen name="txt_24">24sp</dimen> <dimen name="txt_26">26sp</dimen> <dimen name="txt_28">28sp</dimen>颜色`
<?xml version="1.0" encoding="utf-8"?><resources> <!-- 列表分割线 色值#999999 --> <color name="list_divider">#999999</color> <!-- 选中态色块 色值#D7D7D7 --> <color name="list_item_pressed">#D7D7D7</color> <color name="white">#ffffff</color> <!-- 白色 --> <color name="ivory">#fffff0</color> <!-- 象牙色 --> <color name="lightyellow">#ffffe0</color> <color name="capture_text_cover_bg">#3060a4e3</color> <!-- 亮黄色 --> <color name="yellow">#ffff00</color> <!-- 黄色 --> <color name="snow">#fffafa</color> <!-- 雪白色 --> <color name="floralwhite">#fffaf0</color> <!-- 花白色 --> <color name="lemonchiffon">#fffacd</color> <!-- 柠檬绸色 --> <color name="cornsilk">#fff8dc</color> <!-- 米绸色 --> <color name="seaShell">#fff5ee</color> <!-- 海贝色 --> <color name="lavenderblush">#fff0f5</color> <!-- 淡紫红 --> <color name="papayawhip">#ffefd5</color> <!-- 番木色 --> <color name="blanchedalmond">#ffebcd</color> <!-- 白杏色 --> <color name="mistyrose">#ffe4e1</color> <!-- 浅玫瑰色 --> <color name="bisque">#ffe4c4</color> <!-- 桔黄色 --> <color name="moccasin">#ffe4b5</color> <!-- 鹿皮色 --> <color name="navajowhite">#ffdead</color> <!-- 纳瓦白 --> <color name="peachpuff">#ffdab9</color> <!-- 桃色 --> <color name="gold">#ffd700</color> <!-- 金色 --> <color name="pink">#ffc0cb</color> <!-- 粉红色 --> <color name="lightpink">#ffb6c1</color> <!-- 亮粉红色 --> <color name="orange">#fd7903</color> <!-- 橙色 --> <color name="lightsalmon">#ffa07a</color> <!-- 亮肉色 --> <color name="darkorange">#ff8c00</color> <!-- 暗桔黄色 --> <color name="coral">#ff7f50</color> <!-- 珊瑚色 --> <color name="hotpink">#ff69b4</color> <!-- 热粉红色 --> <color name="tomato">#ff6347</color> <!-- 西红柿色 --> <color name="orangered">#ff4500</color> <!-- 红橙色 --> <color name="deeppink">#ff1493</color> <!-- 深粉红色 --> <color name="fuchsia">#ff00ff</color> <!-- 紫红色 --> <color name="magenta">#ff00ff</color> <!-- 红紫色 --> <color name="red">#ff0000</color> <!-- 红色 --> <color name="oldlace">#fdf5e6</color> <!-- 老花色 --> <color name="lightgoldenrodyellow">#fafad2</color> <!-- 亮金黄色 --> <color name="linen">#faf0e6</color> <!-- 亚麻色 --> <color name="antiquewhite">#faebd7</color> <!-- 古董白 --> <color name="salmon">#fa8072</color> <!-- 鲜肉色 --> <color name="ghostwhite">#f8f8ff</color> <!-- 幽灵白 --> <color name="mintcream">#f5fffa</color> <!-- 薄荷色 --> <color name="whitesmoke">#f5f5f5</color> <!-- 烟白色 --> <color name="beige">#f5f5dc</color> <!-- 米色 --> <color name="wheat">#f5deb3</color> <!-- 浅黄色 --> <color name="sandybrown">#f4a460</color> <!-- 沙褐色 --> <color name="azure">#f0ffff</color> <!-- 天蓝色 --> <color name="honeydew">#f0fff0</color> <!-- 蜜色 --> <color name="aliceblue">#f0f8ff</color> <!-- 艾利斯兰 --> <color name="khaki">#f0e68c</color> <!-- 黄褐色 --> <color name="lightcoral">#f08080</color> <!-- 亮珊瑚色 --> <color name="palegoldenrod">#eee8aa</color> <!-- 苍麒麟色 --> <color name="violet">#ee82ee</color> <!-- 紫罗兰色 --> <color name="darksalmon">#e9967a</color> <!-- 暗肉色 --> <color name="lavender">#e6e6fa</color> <!-- 淡紫色 --> <color name="lightcyan">#e0ffff</color> <!-- 亮青色 --> <color name="burlywood">#deb887</color> <!-- 实木色 --> <color name="plum">#dda0dd</color> <!-- 洋李色 --> <color name="gainsboro">#dcdcdc</color> <!-- 淡灰色 --> <color name="crimson">#dc143c</color> <!-- 暗深红色 --> <color name="palevioletred">#db7093</color> <!-- 苍紫罗兰色 --> <color name="goldenrod">#daa520</color> <!-- 金麒麟色 --> <color name="orchid">#da70d6</color> <!-- 淡紫色 --> <color name="thistle">#d8bfd8</color> <!-- 蓟色 --> <color name="lightgray">#d3d3d3</color> <!-- 亮灰色 --> <color name="lightgrey">#d3d3d3</color> <!-- 亮灰色 --> <color name="tan">#d2b48c</color> <!-- 茶色 --> <color name="chocolate">#d2691e</color> <!-- 巧可力色 --> <color name="peru">#cd853f</color> <!-- 秘鲁色 --> <color name="indianred">#cd5c5c</color> <!-- 印第安红 --> <color name="mediumvioletred">#c71585</color> <!-- 中紫罗兰色 --> <color name="silver">#c0c0c0</color> <!-- 银色 --> <color name="darkkhaki">#bdb76b</color> <!-- 暗黄褐色 --> <color name="rosybrown">#bc8f8f</color> <!-- 褐玫瑰红 --> <color name="mediumorchid">#ba55d3</color> <!-- 中粉紫色 --> <color name="darkgoldenrod">#b8860b</color> <!-- 暗金黄色 --> <color name="firebrick">#b22222</color> <!-- 火砖色 --> <color name="powderblue">#b0e0e6</color> <!-- 粉蓝色 --> <color name="lightsteelblue">#b0c4de</color> <!-- 亮钢兰色 --> <color name="paleturquoise">#afeeee</color> <!-- 苍宝石绿 --> <color name="greenyellow">#adff2f</color> <!-- 黄绿色 --> <color name="lightblue">#add8e6</color> <!-- 亮蓝色 --> <color name="darkgray">#a9a9a9</color> <!-- 暗灰色 --> <color name="darkgrey">#a9a9a9</color> <!-- 暗灰色 --> <color name="brown">#a52a2a</color> <!-- 褐色 --> <color name="sienna">#a0522d</color> <!-- 赭色 --> <color name="darkorchid">#9932cc</color> <!-- 暗紫色 --> <color name="palegreen">#98fb98</color> <!-- 苍绿色 --> <color name="darkviolet">#9400d3</color> <!-- 暗紫罗兰色 --> <color name="mediumpurple">#9370db</color> <!-- 中紫色 --> <color name="lightgreen">#90ee90</color> <!-- 亮绿色 --> <color name="darkseagreen">#8fbc8f</color> <!-- 暗海兰色 --> <color name="saddlebrown">#8b4513</color> <!-- 重褐色 --> <color name="darkmagenta">#8b008b</color> <!-- 暗洋红 --> <color name="darkred">#8b0000</color> <!-- 暗红色 --> <color name="blueviolet">#8a2be2</color> <!-- 紫罗兰蓝色 --> <color name="lightskyblue">#87cefa</color> <!-- 亮天蓝色 --> <color name="skyblue">#87ceeb</color> <!-- 天蓝色 --> <color name="gray">#808080</color> <!-- 灰色 --> <color name="grey">#7c7b7b</color> <!-- 灰色 --> <color name="olive">#808000</color> <!-- 橄榄色 --> <color name="purple">#800080</color> <!-- 紫色 --> <color name="maroon">#800000</color> <!-- 粟色 --> <color name="aquamarine">#7fffd4</color> <!-- 碧绿色 --> <color name="chartreuse">#7fff00</color> <!-- 黄绿色 --> <color name="lawngreen">#7cfc00</color> <!-- 草绿色 --> <color name="mediumslateblue">#7b68ee</color> <!-- 中暗蓝色 --> <color name="lightslategray">#778899</color> <!-- 亮蓝灰 --> <color name="lightslategrey">#778899</color> <!-- 亮蓝灰 --> <color name="slategray">#708090</color> <!-- 灰石色 --> <color name="slategrey">#708090</color> <!-- 灰石色 --> <color name="olivedrab">#6b8e23</color> <!-- 深绿褐色 --> <color name="slateblue">#6a5acd</color> <!-- 石蓝色 --> <color name="dimgray">#696969</color> <!-- 暗灰色 --> <color name="dimgrey">#696969</color> <!-- 暗灰色 --> <color name="mediumaquamarine">#66cdaa</color> <!-- 中绿色 --> <color name="cornflowerblue">#6495ed</color> <!-- 菊兰色 --> <color name="cadetblue">#5f9ea0</color> <!-- 军兰色 --> <color name="darkolivegreen">#556b2f</color> <!-- 暗橄榄绿 --> <color name="indigo">#4b0082</color> <!-- 靛青色 --> <color name="mediumturquoise">#48d1cc</color> <!-- 中绿宝石 --> <color name="darkslateblue">#483d8b</color> <!-- 暗灰蓝色 --> <color name="steelblue">#4682b4</color> <!-- 钢兰色 --> <color name="royalblue">#4169e1</color> <!-- 皇家蓝 --> <color name="turquoise">#40e0d0</color> <!-- 青绿色 --> <color name="mediumseagreen">#3cb371</color> <!-- 中海蓝 --> <color name="limegreen">#32cd32</color> <!-- 橙绿色 --> <color name="darkslategray">#2f4f4f</color> <!-- 暗瓦灰色 --> <color name="darkslategrey">#2f4f4f</color> <!-- 暗瓦灰色 --> <color name="seagreen">#2e8b57</color> <!-- 海绿色 --> <color name="forestgreen">#228b22</color> <!-- 森林绿 --> <color name="lightseagreen">#20b2aa</color> <!-- 亮海蓝色 --> <color name="dodgerblue">#1e90ff</color> <!-- 闪兰色 --> <color name="midnightblue">#191970</color> <!-- 中灰兰色 --> <color name="aqua">#00ffff</color> <!-- 浅绿色 --> <color name="cyan">#00ffff</color> <!-- 青色 --> <color name="springgreen">#00ff7f</color> <!-- 春绿色 --> <color name="lime">#00ff00</color> <!-- 酸橙色 --> <color name="mediumspringgreen">#00fa9a</color> <!-- 中春绿色 --> <color name="darkturquoise">#00ced1</color> <!-- 暗宝石绿 --> <color name="deepskyblue">#00bfff</color> <!-- 深天蓝色 --> <color name="darkcyan">#008b8b</color> <!-- 暗青色 --> <color name="teal">#008080</color> <!-- 水鸭色 --> <color name="green">#008000</color> <!-- 绿色 --> <color name="darkgreen">#006400</color> <!-- 暗绿色 --> <color name="blue">#005dc1</color> <!-- 蓝色 --> <color name="mediumblue">#0000cd</color> <!-- 中兰色 --> <color name="darkblue">#00008b</color> <!-- 暗蓝色 --> <color name="navy">#000080</color> <!-- 海军色 --> <color name="black">#3B3B3B</color> <!-- 黑色 --> <!-- #2b4f6d 退改签 、选择配送信息中地址 文字的颜色值 --> <!-- 通用颜色统一风格 --> <color name="text_click">#0174E1</color> <color name="table_background">#cbcbcb</color> <color name="background">#eaeaea</color> <color name="light_white">#fcfcfc</color> <color name="tab_main_color">#1e1d1d</color> <color name="comm_bg">#eaeaea</color> <!-- 加黑 --> <color name="comm_text_black">#464646</color> <!-- 常用左侧文字颜色 --> <color name="comm_text_left">#3c3c3c</color> <!-- 常用右侧文字颜色 --> <color name="comm_text_right">#3c3c3c</color> <color name="comm_text_red">#da1609</color> <color name="comm_text_blue">#0f90e3</color> <color name="comm_text_green">#66c058</color> <color name="comm_text_yellow">#DAE532</color> <color name="comm_button_blue">#0074E1</color> <!-- 常用提示文字颜色 --> <color name="comm_text_tips">#949494</color> <!-- 分割线颜色 --> <color name="comm_cutline">#c4c4c4</color> <!-- 内容条目按下时的样式 --> <color name="pressed_bg">#f2f2f2</color> <color name="nopressed_bg">#fff</color> <!-- 助手内容颜色 --> <color name="title_content_color">#484848</color> <color name="content_color">#7d7d7d</color> <!-- 理财 --> <color name="new_red">#D21A3E</color> <color name="new_red_press">#B41131</color> <color name="text_black">#515151</color> <color name="text_left">#646464</color> <color name="text_right">#a1a1a1</color> <color name="text_gray">#b5b5b5</color> <color name="cutline_gray">#c4c4c4</color> <color name="text_yellow">#b18500</color> <color name="btn_bg_gray">#f7f7f7</color> <color name="new_green">#00FF99</color> <!-- 首页快捷菜单 --> <color name="menu_item_bg">#f6f6f6</color> <color name="text_tips">#929292</color> <!-- 账户总览 --> <color name="text_left_account">#464646</color> <color name="text_bom_account">#464646</color> <!-- 品质生活 商品列表 --> <color name="text_price_red">#ed3b3b</color> <color name="text_sold_greay">#b0b0b0</color> <color name="text_title_black">#232323</color> <!-- 帮助中心-常见问题 --> <color name="text_question">#333333</color> <color name="text_answer">#777777</color> <color name="result_view">#b0000000</color> <color name="viewfinder_mask">#60000000</color> <color name="possible_result_points">#c0ffff00</color> <color name="transparent">#00000000</color> <color name="comm_card_bg">#ffffff</color> <color name="grey_50">#fafafa</color> <color name="grey_200">#eeeeee</color> <color name="btn_blue">#0067db</color> <!-- 右边菜单点击颜色 --> <color name="right_menu_unpressed">#CDCEC9</color> <color name="right_menu_pressed">#C3C3C3</color> <color name="menu_item_press">#2e000000</color> <color name="page_backgroup">#f2f2f2</color> <!-- 灰色 --> <color name="grey_color1">#333333</color> <color name="grey_color2">#666666</color> <color name="grey_color3">#999999</color> <!-- 橙色 --> <color name="orange_color">#de6838</color></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<GroupInfo> groups; private Map<String, List<ProductInfo>> children; private Context context; //HashMap<Integer, View> groupMap = new HashMap<Integer, View>(); //HashMap<Integer, View> childrenMap = new HashMap<Integer, View>(); 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<GroupInfo> groups, Map<String, List<ProductInfo>> 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<ProductInfo> 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<GroupInfo> groups = new ArrayList<GroupInfo>();// 组元素数据列表 private Map<String, List<ProductInfo>> children = new HashMap<String, List<ProductInfo>>();// 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<br> * 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，<br> * 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<ProductInfo> products = new ArrayList<ProductInfo>(); 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<br> * 1.不要边遍历边删除，容易出现数组越界的情况<br> * 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<GroupInfo> toBeDeleteGroups = new ArrayList<GroupInfo>();// 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<ProductInfo> toBeDeleteProducts = new ArrayList<ProductInfo>();// 待删除的子元素列表 List<ProductInfo> 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<ProductInfo> 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<ProductInfo> 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<ProductInfo> 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<br> * 1.先清空全局计数器<br> * 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<br> * 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<ProductInfo> 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
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