最近看了一些淘宝购物车的demo，于是也写了一个。
效果图如下：
主要代码如下：
actvity中的代码：
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public class shoppingcartactivity extends baseactivity {
private list<test> data;
private listview mlistview;
private shoppingcartadapter adapter;
private relativelayout rlrefresh;
private textview tvrefresh;
private progressbar barrefresh;
private linearlayout clear;
private checkbox checkbox_select_all;
private checkbox checkbox_add;
private textview integral_sum;
private int sum = 0;
private int[] sumintegral;
private context context;
@override
protected void oncreate(bundle bundle) {
// todo auto-generated method stub
super.oncreate(bundle);
setcontentview(r.layout.activity_shopping_cart);
initview();
}
private void initview() {
context = this;
showpage = 1;
ispermitflag = true;
data = new arraylist<test>();
// 测试数据
data.add(new test("id", "color", "type", "100"));
data.add(new test("id", "color", "type", "200"));
data.add(new test("id", "color", "type", "300"));
data.add(new test("id", "color", "type", "0"));
data.add(new test("id", "color", "type", "300"));
data.add(new test("id", "color", "type", "100"));
data.add(new test("id", "color", "type", "500"));
data.add(new test("id", "color", "type", "0"));
data.add(new test("id", "color", "type", "900"));
adapter = new shoppingcartadapter(context, handler, data);
sumintegral = new int[data.size() + 1];
checkbox_add = (checkbox) findviewbyid(r.id.checkbox_add);
integral_sum = (textview) findviewbyid(r.id.integral_sum);
clear = (linearlayout) findviewbyid(r.id.clear);
clear.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
data.clear();
adapter.notifydatasetchanged();
integral_sum.settext(0 + "");
checkbox_select_all.setchecked(false);
checkbox_add.setclickable(false);
}
});
checkbox_select_all = (checkbox) findviewbyid(r.id.checkbox_select);
checkbox_select_all.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
hashmap<integer, boolean> isselected = shoppingcartadapter
.getisselected();
iterator iterator = isselected.entryset().iterator();
list<boolean> array = new arraylist<boolean>();//列表中checkbox选中状态
list<integer> nums = new arraylist<integer>();//列表中商品数量
while (iterator.hasnext()) {
hashmap.entry entry = (hashmap.entry) iterator.next();
integer key = (integer) entry.getkey();
boolean val = (boolean) entry.getvalue();
array.add(val);
}
for (int i = 0; i < data.size(); i++) {
int num = data.get(i).getnum();
int integral = integer.valueof(data.get(i).getintegral());
nums.add(num);
}
if (checkbox_select_all.ischecked()) {
for (int i = 0; i < data.size(); i++) {
shoppingcartadapter.getisselected().put(i, true);
}
checkbox_add.setchecked(true);
adapter.notifydatasetchanged();
} else {
for (int i = 0; i < data.size(); i++) {
shoppingcartadapter.getisselected().put(i, false);
}
checkbox_add.setchecked(false);
adapter.notifydatasetchanged();
integral_sum.settext(0 + "");
}
}
});
mlistview= (listview) findviewbyid(r.id.finance_list);
mlistview.setadapter(adapter);
mlistview.setonitemclicklistener(new onitemclicklistener() {
@override
public void onitemclick(adapterview<?> parent, view view,
int position, long id) {
toast.maketext(context, position + "", toast.length_long)
.show();
int pos = position - 1;
viewholder viewholder = (viewholder) view.gettag();
int num = data.get(pos).getnum();
if (num == 0) {
toast.maketext(context, "请选择商品数量", toast.length_long)
.show();
} else {
boolean cu = !shoppingcartadapter.getisselected().get(pos);
shoppingcartadapter.getisselected().put(pos, cu);
adapter.notifydatasetchanged();
//遍历获取列表中checkbox的选中状态
hashmap<integer, boolean> isselected = shoppingcartadapter
.getisselected();
iterator iterator = isselected.entryset().iterator();
list<boolean> array = new arraylist<boolean>();
while (iterator.hasnext()) {
hashmap.entry entry = (hashmap.entry) iterator.next();
integer key = (integer) entry.getkey();
boolean val = (boolean) entry.getvalue();
array.add(val);
}
if (test.isallfalse(array)) {
checkbox_select_all.setchecked(false);
checkbox_add.setchecked(false);
}
if (test.isalltrue(array)) {
checkbox_select_all.setchecked(true);
checkbox_add.setchecked(true);
}
if (test.ishaveonefasle(array)) {
checkbox_select_all.setchecked(false);
}
if (test.ishaveonetrue(array)) {
checkbox_add.setchecked(true);
}
}
}
});
}
@suppresslint("handlerleak")
private handler handler = new handler(){
@suppresswarnings("unchecked")
@override
public void handlemessage(message msg) {
super.handlemessage(msg);
if(msg.what == 10){ //更改选中商品的总价格
float price = (float)msg.obj;
if(price > 0){
integral_sum.settext(price+"");
}else{
integral_sum.settext("0");
}
}
else if(msg.what == 11){
//列表选中状态
list<boolean> array = (list<boolean>) msg.obj;
if (test.isallfalse(array)) {
checkbox_select_all.setchecked(false);
checkbox_add.setchecked(false);
}
if (.isalltrue(array)) {
checkbox_select_all.setchecked(true);
checkbox_add.setchecked(true);
}
if (test.ishaveonefasle(array)) {
checkbox_select_all.setchecked(false);
}
if (test.ishaveonetrue(array)) {
checkbox_add.setchecked(true);
}
}
}
};
actvity中xml的代码：
<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:header=http://schemas.android.com/apk/res/com.sxc.test"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/app_background"
android:orientation="vertical" >
<com.autoserve.core.widget.headerwidget
android:id="@+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignparenttop="true"
header:text="我的购物车" />
<linearlayout
android:id="@+id/layout1"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_below="@id/header"
android:layout_gravity="center"
android:layout_margintop="20dp"
android:background="@color/white"
android:orientation="horizontal" >
<linearlayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginleft="10dp"
android:layout_weight="1"
android:gravity="center_vertical"
android:orientation="horizontal" >
<checkbox
android:id="@+id/checkbox_select"
style="@style/customcheckboxtheme"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginleft="10dp"
android:text="全选"
android:textcolor="@color/gry_666666"
android:textsize="@dimen/small_size" />
</linearlayout>
<linearlayout
android:id="@+id/clear"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginright="20dp"
android:gravity="center_vertical|right"
android:orientation="horizontal" >
<checkbox
android:layout_width="12dp"
android:layout_height="12dp"
android:background="@drawable/clear" />
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginleft="5dp"
android:text="清空购物车"
android:textcolor="#b61d1d"
android:textsize="@dimen/small_size" />
</linearlayout>
</linearlayout>
<linearlayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/layout1"
android:layout_marginbottom="50dp"
android:orientation="vertical" >
<view
android:layout_width="match_parent"
android:layout_height="0.1dp"
android:background="@color/divider_color" />
<listview
android:id="@+id/finance_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clickable="false"
android:divider="@color/lucency" />
<include
layout="@layout/include_refresh"
android:visibility="gone" />
</linearlayout>
<linearlayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_alignparentbottom="true"
android:orientation="horizontal" >
<linearlayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:background="@color/gry_999999"
android:gravity="center_vertical"
android:orientation="horizontal" >
<linearlayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginleft="5dp"
android:layout_marginright="5dp"
android:gravity="center"
android:orientation="horizontal" >
<checkbox
android:id="@+id/checkbox_add"
style="@style/customcheckboxtheme2"
android:layout_width="wrap_content"
android:clickable="false"
android:layout_height="wrap_content" />
</linearlayout>
<linearlayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="合计："
android:textcolor="@color/white"
android:textsize="@dimen/small_size" />
<textview
android:id="@+id/integral_sum"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginleft="5dp"
android:layout_marginright="5dp"
android:text="0"
android:textcolor="@color/theme_color"
android:textsize="@dimen/small_size" />
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="积分"
android:textcolor="@color/white"
android:textsize="@dimen/small_size" />
</linearlayout>
</linearlayout>
<textview
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="@color/theme_color"
android:gravity="center"
android:text="结算"
android:textcolor="@color/white"
android:textsize="@dimen/small_size" />
</linearlayout>
</relativelayout>
-xml中头部可以到网上找一个这里就不放上来了
.checkbox和button的样式可以根据个人喜好设置。
adaper中的代码：
public class shoppingcartadapter extends baseadapter {
private context context;
private list<test> loans;
private layoutinflater inflater;
private static hashmap<integer, boolean> isselected;
private static hashmap<integer, integer> numbers;
private handler handler;
int num;// 商品数量
static class viewholder { // 自定义控件集合
public checkbox ck_select;
public imageview pic_goods;
public textview id_goods;
public textview color_goods;
public textview type_goods;
public textview integral_goods;
public addminuswidget add_minus;
public linearlayout layout;
public textview number;
public button minus;
public button plus;
}
/**
* 实例化adapter
*
* @param context
* @param data
*/
public shoppingcartadapter(context context, handler handler, list<test> data) {
this.context = context;
this.inflater = layoutinflater.from(context);
this.loans = data;
this.handler = handler;
isselected = new hashmap<integer, boolean>();
numbers = new hashmap<integer, integer>();
initdate();
}
private void initdate() {
for (int i = 0; i < loans.size(); i++) {
getisselected().put(i, false);
getnumbers().put(i, 1);
}
}
@override
public int getcount() {
return loans.size();
}
@override
public object getitem(int position) {
return loans.get(position);
}
@override
public long getitemid(int position) {
return position;
}
@override
public view getview(final int position, view convertview, viewgroup parent) {
// 自定义视图
viewholder itemview = null;
if (convertview == null) {
// 获取list_item布局文件的视图
itemview = new viewholder();
convertview = inflater.inflate(r.layout.list_shopping_cart_item,
null);
// 获取控件对象
itemview.ck_select = (checkbox) convertview
.findviewbyid(r.id.ck_select);
itemview.pic_goods = (imageview) convertview
.findviewbyid(r.id.pic_goods);
itemview.id_goods = (textview) convertview
.findviewbyid(r.id.id_goods);
itemview.color_goods = (textview) convertview
.findviewbyid(r.id.color_goods);
itemview.type_goods = (textview) convertview
.findviewbyid(r.id.type_goods);
itemview.integral_goods = (textview) convertview
.findviewbyid(r.id.integral_goods);
itemview.number = (textview) convertview.findviewbyid(r.id.number);
itemview.minus = (button) convertview.findviewbyid(r.id.minus);
itemview.plus = (button) convertview.findviewbyid(r.id.plus);
convertview.settag(itemview);
} else {
itemview = (viewholder) convertview.gettag();
}
init(itemview, position);
itemview.ck_select.setchecked(getisselected().get(position));
itemview.number.settext(getnumbers().get(position).tostring());
if (getisselected().get(position)) {
itemview.ck_select.setchecked(true);
} else {
itemview.ck_select.setchecked(false);
}
string a = itemview.number.gettext().tostring();
loans.get(position).setnum(integer.valueof(a));
test test = loans.get(position);
itemview.id_goods.settext((charsequence) test.getid());
itemview.color_goods.settext((charsequence) test.getcolor());
itemview.type_goods.settext((charsequence) test.gettype());
itemview.integral_goods.settext((charsequence) test.getintegral());
itemview.pic_goods.setimageresource(r.drawable.shopping);
return convertview;
}
private void init(final viewholder itemview, final int position) {
itemview.ck_select
.setoncheckedchangelistener(new oncheckedchangelistener() {
@override
public void oncheckedchanged(compoundbutton buttonview,
boolean ischecked) {
isselected.put(position, true);
getisselected().put(position, ischecked);
itemview.ck_select.setchecked(getisselected().get(
position));
handler.sendmessage(handler.obtainmessage(10,
gettotalprice()));
iterator iterator = isselected.entryset().iterator();
list<boolean> array = new arraylist<boolean>();
while (iterator.hasnext()) {
hashmap.entry entry = (hashmap.entry) iterator
.next();
integer key = (integer) entry.getkey();
boolean val = (boolean) entry.getvalue();
array.add(val);
}
handler.sendmessage(handler.obtainmessage(11, array));
}
});
final string numstring = itemview.number.gettext().tostring();
itemview.plus.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
if (numstring == null || numstring.equals("")) {
num = 1;
itemview.number.settext("1");
} else {
if (++num < 1) // 先加，再判断
{
num--;
toast.maketext(context, "请输入一个大于0的数字",
toast.length_short).show();
} else {
itemview.number.settext(string.valueof(num));
loans.get(position).setnum(num);
numbers.put(position, num);
handler.sendmessage(handler.obtainmessage(10,
gettotalprice()));
log.i("test", "+:" + num);
}
}
}
});
itemview.minus.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
if (numstring == null || numstring.equals("")) {
num = 1;
itemview.number.settext("1");
} else {
if (--num < 1) // 先加，再判断
{
num++;
log.i("test", "-:" + num);
toast.maketext(context, "请输入一个大于0的数字",
toast.length_short).show();
log.i("test", "-:" + num);
} else {
itemview.number.settext(string.valueof(num));
log.i("test", "-:" + num);
loans.get(position).setnum(num);
numbers.put(position, num);
handler.sendmessage(handler.obtainmessage(10,
gettotalprice()));
}
}
}
});
}
/**
* 计算选中商品的积分
*
* @return 返回需要付费的总积分
*/
private float gettotalprice() {
test bean = null;
float totalprice = 0;
for (int i = 0; i < loans.size(); i++) {
bean = loans.get(i);
if (shoppingcartadapter.getisselected().get(i)) {
totalprice += bean.getnum()
* integer.valueof(bean.getintegral());
}
}
return totalprice;
}
public static hashmap<integer, boolean> getisselected() {
return isselected;
}
public static void setisselected(hashmap<integer, boolean> isselected) {
shoppingcartadapter.isselected = isselected;
}
public static hashmap<integer, integer> getnumbers() {
return numbers;
}
public static void setnumbers(hashmap<integer, integer> numbers) {
shoppingcartadapter.numbers = numbers;
}
}
adapter中的xml代码：
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:descendantfocusability="blocksdescendants"
android:background="@color/white"
android:orientation="vertical" >
<view
android:layout_width="match_parent"
android:layout_height="0.1dp"
android:background="@color/divider_color" />
<linearlayout
android:id="@+id/layout5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="5dp" >
<checkbox
android:id="@+id/ck_select"
style="@style/customcheckboxtheme"
android:layout_width="wrap_content"
android:focusable="false"
android:layout_height="wrap_content"
android:layout_marginright="5dp" />
<imageview
android:id="@+id/pic_goods"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaletype="fitcenter"
android:src="@drawable/shopping" />
<linearlayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginleft="10dp"
android:orientation="vertical" >
<textview
android:id="@+id/id_goods"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="短袜男士星期 polo棉袜潮男秋冬款礼盒装"
android:textcolor="@color/gry_999999"
android:textsize="@dimen/small_size" />
<linearlayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="颜色："
android:textcolor="@color/gry_999999"
android:textsize="12sp" />
<textview
android:id="@+id/color_goods"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="黑色"
android:textcolor="@color/gry_999999"
android:textsize="12sp" />
</linearlayout>
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="规格："
android:textcolor="@color/gry_999999"
android:textsize="12sp" />
<textview
android:id="@+id/type_goods"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="普通"
android:textcolor="@color/gry_999999"
android:textsize="12sp" />
</linearlayout>
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="所需积分"
android:textcolor="@color/theme_color"
android:textsize="12sp" />
<textview
android:id="@+id/integral_goods"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1000"
android:layout_marginleft="5dp"
android:textcolor="@color/theme_color"
android:textsize="12sp" />
</linearlayout>
</linearlayout>
<linearlayout
android:layout_width="match_parent"
android:layout_height="25dp"
android:layout_gravity="bottom"
android:layout_marginbottom="5dp"
android:layout_marginright="5dp"
android:gravity="right"
android:orientation="horizontal" >
<linearlayout
android:layout_width="80dp"
android:layout_height="25dp"
android:layout_gravity="right"
android:background="@color/white"
android:orientation="horizontal" >
<button
android:id="@+id/minus"
android:layout_width="25dp"
android:layout_height="match_parent"
android:background="@drawable/kuangzi1"
android:gravity="center"
android:focusable="false"
android:text="-"
android:textcolor="@color/black" >
</button>
<textview
android:id="@+id/number"
android:layout_width="30dp"
android:layout_height="match_parent"
android:background="@drawable/kuangzi1"
android:gravity="center"
android:inputtype="number"
android:text="1"
android:textcolor="@color/black" >
</textview>
<button
android:id="@+id/plus"
android:layout_width="25dp"
android:layout_height="match_parent"
android:background="@drawable/kuangzi1"
android:gravity="center"
android:focusable="false"
android:text="+"
android:textcolor="@color/black" >
</button>
</linearlayout>
</linearlayout>
</linearlayout>
</linearlayout>
</linearlayout>
<view
android:layout_width="match_parent"
android:layout_height="0.1dp"
android:background="@color/divider_color" />
</linearlayout>
实体类：
package com.autoserve.net33.model;
public class test {
@override
public string tostring() {
return "test [id=" + id + ", color=" + color
+ ", type=" + type + ", integral=" + integral + "]";
}
public string getid() {
return id;
}
public void setid(string id) {
this.id = id;
}
public string getcolor() {
return color;
}
public void setcolor(string color) {
this.color = color;
}
public string gettype() {
return type;
}
public void settype(string type) {
this.type = type;
}
public string getintegral() {
return integral;
}
public void setintegral(string integral) {
this.integral = integral;
}
private string id;
private string color;
private string type;
private string integral;
private int num;//商品数量
private int sumintegral;
private boolean ischoosed; //商品是否在购物车中被选中
public test(string id, string color, string type, string integral) {
super();
this.id = id;
this.color = color;
this.type = type;
this.integral = integral;
}
public test() {
super();
}
public int getnum() {
return num;
}
public void setnum(int num) {
this.num = num;
}
public int getsumintegral() {
return sumintegral;
}
public void setsumintegral(int sumintegral) {
this.sumintegral = sumintegral;
}
public boolean ischoosed() {
return ischoosed;
}
public void setchoosed(boolean ischoosed) {
this.ischoosed = ischoosed;
}
}
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