二级列表购物车

import android.app.Activity;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AlertDialog;
import android.view.View;
import android.view.Window;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

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

import butterknife.ButterKnife;
import butterknife.InjectView;
import butterknife.OnClick;
import zhoukao.bick.com.xiangmu2yuekao.adapter.ShopcartAdapter;
import zhoukao.bick.com.xiangmu2yuekao.entity.GoodsInfo;
import zhoukao.bick.com.xiangmu2yuekao.entity.StoreInfo;

/**
* 模仿淘宝购物车界面
*/
public class ShopcartActivity extends Activity implements ShopcartAdapter.CheckInterface,
ShopcartAdapter.ModifyCountInterface, ShopcartAdapter.GroupEdtorListener {
@InjectView(R.id.back)
ImageView back;
@InjectView(R.id.title)
TextView title;
@InjectView(R.id.subtitle)
TextView subtitle;
@InjectView(R.id.top_bar)
LinearLayout topBar;
@InjectView(R.id.exListView)
ExpandableListView exListView;
@InjectView(R.id.tv_total_price)
TextView tvTotalPrice;
@InjectView(R.id.all_chekbox)
CheckBox allChekbox;
@InjectView(R.id.tv_delete)
TextView tvDelete;
@InjectView(R.id.tv_go_to_pay)
TextView tvGoToPay;
@InjectView(R.id.ll_shar)
LinearLayout llShar;
@InjectView(R.id.ll_info)
LinearLayout llInfo;
@InjectView(R.id.tv_share)
TextView tvShare;
@InjectView(R.id.tv_save)
TextView tvSave;
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 ShopcartAdapter selva;
private List<StoreInfo> groups = new ArrayList<StoreInfo>();// 组元素数据列表
private Map<String, List<GoodsInfo>> children = new HashMap<String, List<GoodsInfo>>();// 子元素数据列表
private int flag = 0;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_shopcart);
context = this;
initDatas();
ButterKnife.inject(this);
initEvents();
}

private void initEvents() {
selva = new ShopcartAdapter(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
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
}
}

@Override
protected void onResume() {
super.onResume();
setCartNum();
}

/**
* 设置购物车产品数量
*/
private void setCartNum() {
int count=0;
for (int i = 0; i < groups.size(); i
4000
++) {
groups.get(i).setChoosed(allChekbox.isChecked());
StoreInfo group = groups.get(i);
List<GoodsInfo> childs = children.get(group.getId());
for (GoodsInfo goodsInfo:childs){
count+=1;
}
}
title.setText("购物车" + "(" + count + ")");
}

/**
* 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 initDatas() {
for (int i = 0; i < 3; i++) {
groups.add(new StoreInfo(i + "", "天猫店铺" + (i + 1) + "号店"));
List<GoodsInfo> products = new ArrayList<GoodsInfo>();
for (int j = 0; j <= i; j++) {
int[]   img=
{R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher};
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<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<StoreInfo> toBeDeleteGroups = new ArrayList<StoreInfo>();// 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<GoodsInfo> toBeDeleteProducts = new ArrayList<GoodsInfo>();// 待删除的子元素列表
List<GoodsInfo> 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<GoodsInfo> 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<GoodsInfo> 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<GoodsInfo> 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<GoodsInfo> 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<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++) {
StoreInfo group = groups.get(i);
List<GoodsInfo> 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(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;
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.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(context, "请选择要分享的商品", Toast.LENGTH_LONG).show();
return;
}
Toast.makeText(ShopcartActivity.this, "分享成功", Toast.LENGTH_SHORT).show();
break;
case R.id.tv_save:
if (totalCount == 0) {
Toast.makeText(context, "请选择要保存的商品", Toast.LENGTH_LONG).show();
return;
}
Toast.makeText(ShopcartActivity.this, "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();
}
};
}

package zhoukao.bick.com.xiangmu2yuekao.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;
}

}

package zhoukao.bick.com.xiangmu2yuekao.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;
}
}

///适配器

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 zhoukao.bick.com.xiangmu2yuekao.R;
import zhoukao.bick.com.xiangmu2yuekao.entity.GoodsInfo;
import zhoukao.bick.com.xiangmu2yuekao.entity.StoreInfo;

/**
* 购物车数据适配器
*/
public class ShopcartAdapter extends BaseExpandableListAdapter {
private List<StoreInfo> groups;
private Map<String, List<GoodsInfo>&
10bfc
gt; 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<StoreInfo> groups, Map<String, List<GoodsInfo>> 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<GoodsInfo> 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);
}
}


//祝布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
tools:context="zhoukao.bick.com.xiangmu2yuekao.ShopcartActivity">

<LinearLayout
android:id="@+id/top_bar"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="#0f0"
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/ic_launcher" />

<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: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="#00f"
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="#333333"
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/colorAccent"
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="#0f0"
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="#f00"
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="#00f"
android:clickable="true"
android:gravity="center"
android:text="删除"
android:textColor="#FAFAFA"
/>
</LinearLayout>

</LinearLayout>

</LinearLayout>

<?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_centerVertical="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="4dp"
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/ic_launcher"
android:drawablePadding="10dp"
android:text="第八号当铺"
android:textColor="#f00"
/>
<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>

<?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="#fff"
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: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/ic_launcher" />

<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"
/>
<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: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: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=""
/>
<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"
/>
</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:gravity="center"
android:text="一"
/>

<TextView
android:id="@+id/tv_num"
android:layout_width="35dp"
android:layout_height="35dp"
android:background="#f00"
android:gravity="center"
android:singleLine="true"
android:text="1"
/>

<TextView
android:id="@+id/tv_add"
android:layout_width="35dp"
android:layout_height="35dp"
android:gravity="center"
android:text="+"
/>
</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"
/>
</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:gravity="center"
android:layout_gravity="center"
android:textColor="@color/white"/>
</LinearLayout>
</LinearLayout>

</LinearLayout>