adapter包
【xml|完整购物车】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
private Map> children;
private Context context;
//HashMap
//HashMap
private CheckInterface checkInterface;
private ModifyCountInterface modifyCountInterface;
/**
* 构造函数
*
* @param groups
*组元素列表
* @param children
*子元素列表
* @param context
*/
public ShopcartExpandableListViewAdapter(List
{
super();
this.groups = groups;
this.children = children;
this.context = context;
}
public void setCheckInterface(CheckInterface checkInterface)
{
this.checkInterface = checkInterface;
}
public void setModifyCountInterface(ModifyCountInterface modifyCountInterface)
{
this.modifyCountInterface = modifyCountInterface;
}
@Override
public int getGroupCount()
{
return groups.size();
}
@Override
public int getChildrenCount(int groupPosition)
{
String groupId = groups.get(groupPosition).getId();
return children.get(groupId).size();
}
@Override
public Object getGroup(int groupPosition)
{
return groups.get(groupPosition);
}
@Override
public Object getChild(int groupPosition, int childPosition)
{
List childs = children.get(groups.get(groupPosition).getId());
return childs.get(childPosition);
}
@Override
public long getGroupId(int groupPosition)
{
return 0;
}
@Override
public long getChildId(int groupPosition, int childPosition)
{
return 0;
}
@Override
public boolean hasStableIds()
{
return false;
}
@Override
public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent)
{
GroupHolder gholder;
if (convertView == null)
{
gholder = new GroupHolder();
convertView = View.inflate(context, R.layout.item_shopcart_group, null);
gholder.cb_check = (CheckBox) convertView.findViewById(R.id.determine_chekbox);
gholder.tv_group_name = (TextView) convertView.findViewById(R.id.tv_source_name);
//groupMap.put(groupPosition, convertView);
convertView.setTag(gholder);
} else
{
// convertView = groupMap.get(groupPosition);
gholder = (GroupHolder) convertView.getTag();
}
final GroupInfo group = (GroupInfo) getGroup(groupPosition);
if (group != null)
{
gholder.tv_group_name.setText(group.getName());
gholder.cb_check.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
group.setChoosed(((CheckBox) v).isChecked());
checkInterface.checkGroup(groupPosition, ((CheckBox) v).isChecked());
// 暴露组选接口
}
});
gholder.cb_check.setChecked(group.isChoosed());
}
return convertView;
}
@Override
public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent)
{
final ChildHolder cholder;
if (convertView == null)
{
cholder = new ChildHolder();
convertView = View.inflate(context, R.layout.item_shopcart_product, null);
cholder.cb_check = (CheckBox) convertView.findViewById(R.id.check_box);
cholder.tv_product_desc = (TextView) convertView.findViewById(R.id.tv_intro);
cholder.tv_price = (TextView) convertView.findViewById(R.id.tv_price);
cholder.iv_increase = (TextView) convertView.findViewById(R.id.tv_add);
cholder.iv_decrease = (TextView) convertView.findViewById(R.id.tv_reduce);
cholder.tv_count = (TextView) convertView.findViewById(R.id.tv_num);
// childrenMap.put(groupPosition, convertView);
convertView.setTag(cholder);
} else
{
// convertView = childrenMap.get(groupPosition);
cholder = (ChildHolder) convertView.getTag();
}
final ProductInfo product = (ProductInfo) getChild(groupPosition, childPosition);
if (product != null)
{
cholder.tv_product_desc.setText(product.getDesc());
cholder.tv_price.setText("￥" + product.getPrice() + "");
cholder.tv_count.setText(product.getCount() + "");
cholder.cb_check.setChecked(product.isChoosed());
cholder.cb_check.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
product.setChoosed(((CheckBox) v).isChecked());
cholder.cb_check.setChecked(((CheckBox) v).isChecked());
checkInterface.checkChild(groupPosition, childPosition, ((CheckBox) v).isChecked());
// 暴露子选接口
}
});
cholder.iv_increase.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
modifyCountInterface.doIncrease(groupPosition, childPosition, cholder.tv_count, cholder.cb_check.isChecked());
// 暴露增加接口
}
});
cholder.iv_decrease.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
modifyCountInterface.doDecrease(groupPosition, childPosition, cholder.tv_count, cholder.cb_check.isChecked());
// 暴露删减接口
}
});
}
return convertView;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition)
{
return false;
}
/**
* 组元素绑定器
*
*
*/
private class GroupHolder
{
CheckBox cb_check;
TextView tv_group_name;
}
/**
* 子元素绑定器
*
*
*/
private class ChildHolder
{
CheckBox cb_check;
TextView tv_product_name;
TextView tv_product_desc;
TextView tv_price;
TextView iv_increase;
TextView tv_count;
TextView iv_decrease;
}
/**
* 复选框接口
*
*
*/
public interface CheckInterface
{
/**
* 组选框状态改变触发的事件
*
* @param groupPosition
*组元素位置
* @param isChecked
*组元素选中与否
*/
public void checkGroup(int groupPosition, boolean isChecked);
/**
* 子选框状态改变时触发的事件
*
* @param groupPosition
*组元素位置
* @param childPosition
*子元素位置
* @param isChecked
*子元素选中与否
*/
public void checkChild(int groupPosition, int childPosition, boolean isChecked);
}
/**
* 改变数量的接口
*
*
*/
public interface ModifyCountInterface
{
/**
* 增加操作
*
* @param groupPosition
*组元素位置
* @param childPosition
*子元素位置
* @param showCountView
*用于展示变化后数量的View
* @param isChecked
*子元素选中与否
*/
public void doIncrease(int groupPosition, int childPosition, View showCountView, boolean isChecked);
/**
* 删减操作
*
* @param groupPosition
*组元素位置
* @param childPosition
*子元素位置
* @param showCountView
*用于展示变化后数量的View
* @param isChecked
*子元素选中与否
*/
public void doDecrease(int groupPosition, int childPosition, View showCountView, boolean isChecked);
}
}
entity包
BaseInfo类
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;
}
}
GroupInfo类
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
}
}
ProductInfo类
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包
MainActivity
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
private Map> children = new HashMap>();
// 子元素数据列表
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
initView();
initEvents();
}
private void initView()
{
context = this;
virtualData();
exListView = (ExpandableListView) findViewById(R.id.exListView);
cb_check_all = (CheckBox) findViewById(R.id.all_chekbox);
tv_total_price = (TextView) findViewById(R.id.tv_total_price);
tv_delete = (TextView) findViewById(R.id.tv_delete);
tv_go_to_pay = (TextView) findViewById(R.id.tv_go_to_pay);
}
private void initEvents()
{
selva = new ShopcartExpandableListViewAdapter(groups, children, this);
selva.setCheckInterface(this);
// 关键步骤1,设置复选框接口
selva.setModifyCountInterface(this);
// 关键步骤2,设置数量增减接口
exListView.setAdapter(selva);
for (int i = 0;
i < selva.getGroupCount();
i++)
{
exListView.expandGroup(i);
// 关键步骤3,初始化时，将ExpandableListView以展开的方式呈现
}
cb_check_all.setOnClickListener(this);
tv_delete.setOnClickListener(this);
tv_go_to_pay.setOnClickListener(this);
}
/**
* 模拟数据
* 遵循适配器的数据列表填充原则，组元素被放在一个List中，对应的组元素下辖的子元素被放在Map中，
* 其键是组元素的Id(通常是一个唯一指定组元素身份的值)
*/
private void virtualData()
{
for (int i = 0;
i < 6;
i++)
{
groups.add(new GroupInfo(i + "", "第八号当铺" + (i + 1) + "号店"));
List products = new ArrayList();
for (int j = 0;
j <= i;
j++)
{
products.add(new ProductInfo(j + "", "商品", "", groups.get(i).getName() + "的第" + (j + 1) + "个商品", 120.00 + i * j, 1));
}
children.put(groups.get(i).getId(), products);
// 将组元素的一个唯一值，这里取Id，作为子元素List的Key
}
}
@Override
public void onClick(View v)
{
AlertDialog alert;
switch (v.getId())
{
case R.id.all_chekbox:
doCheckAll();
break;
case R.id.tv_go_to_pay:
if (totalCount == 0)
{
Toast.makeText(context, "请选择要支付的商品", Toast.LENGTH_LONG).show();
return;
}
alert = new AlertDialog.Builder(context).create();
alert.setTitle("操作提示");
alert.setMessage("总计:\n" + totalCount + "种商品\n" + totalPrice + "元");
alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
return;
}
});
alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
return;
}
});
alert.show();
break;
case R.id.tv_delete:
if (totalCount == 0)
{
Toast.makeText(context, "请选择要移除的商品", Toast.LENGTH_LONG).show();
return;
}
alert = new AlertDialog.Builder(context).create();
alert.setTitle("操作提示");
alert.setMessage("您确定要将这些商品从购物车中移除吗？");
alert.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
return;
}
});
alert.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
doDelete();
}
});
alert.show();
break;
}
}
/**
* 删除操作
* 1.不要边遍历边删除，容易出现数组越界的情况
* 2.现将要删除的对象放进相应的列表容器中，待遍历完后，以removeAll的方式进行删除
*/
protected void doDelete()
{
List
for (int i = 0;
i < groups.size();
i++)
{
GroupInfo group = groups.get(i);
if (group.isChoosed())
{
toBeDeleteGroups.add(group);
}
List toBeDeleteProducts = new ArrayList();
// 待删除的子元素列表
List childs = children.get(group.getId());
for (int j = 0;
j < childs.size();
j++)
{
if (childs.get(j).isChoosed())
{
toBeDeleteProducts.add(childs.get(j));
}
}
childs.removeAll(toBeDeleteProducts);
}
groups.removeAll(toBeDeleteGroups);
selva.notifyDataSetChanged();
calculate();
}
@Override
public void doIncrease(int groupPosition, int childPosition, View showCountView, boolean isChecked)
{
ProductInfo product = (ProductInfo) selva.getChild(groupPosition, childPosition);
int currentCount = product.getCount();
currentCount++;
product.setCount(currentCount);
((TextView) showCountView).setText(currentCount + "");
selva.notifyDataSetChanged();
calculate();
}
@Override
public void doDecrease(int groupPosition, int childPosition, View showCountView, boolean isChecked)
{
ProductInfo product = (ProductInfo) selva.getChild(groupPosition, childPosition);
int currentCount = product.getCount();
if (currentCount == 1)
return;
currentCount--;
product.setCount(currentCount);
((TextView) showCountView).setText(currentCount + "");
selva.notifyDataSetChanged();
calculate();
}
@Override
public void checkGroup(int groupPosition, boolean isChecked)
{
GroupInfo group = groups.get(groupPosition);
List childs = children.get(group.getId());
for (int i = 0;
i < childs.size();
i++)
{
childs.get(i).setChoosed(isChecked);
}
if (isAllCheck())
cb_check_all.setChecked(true);
else
cb_check_all.setChecked(false);
selva.notifyDataSetChanged();
calculate();
}
@Override
public void checkChild(int groupPosition, int childPosiTion, boolean isChecked)
{
boolean allChildSameState = true;
// 判断改组下面的所有子元素是否是同一种状态
GroupInfo group = groups.get(groupPosition);
List childs = children.get(group.getId());
for (int i = 0;
i < childs.size();
i++)
{
if (childs.get(i).isChoosed() != isChecked)
{
allChildSameState = false;
break;
}
}
if (allChildSameState)
{
group.setChoosed(isChecked);
// 如果所有子元素状态相同，那么对应的组元素被设为这种统一状态
} else
{
group.setChoosed(false);
// 否则，组元素一律设置为未选中状态
}
if (isAllCheck())
cb_check_all.setChecked(true);
else
cb_check_all.setChecked(false);
selva.notifyDataSetChanged();
calculate();
}
private boolean isAllCheck()
{
for (GroupInfo group : groups)
{
if (!group.isChoosed())
return false;
}
return true;
}
/** 全选与反选 */
private void doCheckAll()
{
for (int i = 0;
i < groups.size();
i++)
{
groups.get(i).setChoosed(cb_check_all.isChecked());
GroupInfo group = groups.get(i);
List childs = children.get(group.getId());
for (int j = 0;
j < childs.size();
j++)
{
childs.get(j).setChoosed(cb_check_all.isChecked());
}
}
selva.notifyDataSetChanged();
}
/**
* 统计操作
* 1.先清空全局计数器
* 2.遍历所有子元素，只要是被选中状态的，就进行相关的计算操作
* 3.给底部的textView进行数据填充
*/
private void calculate()
{
totalCount = 0;
totalPrice = 0.00;
for (int i = 0;
i < groups.size();
i++)
{
GroupInfo group = groups.get(i);
List childs = children.get(group.getId());
for (int j = 0;
j < childs.size();
j++)
{
ProductInfo product = childs.get(j);
if (product.isChoosed())
{
totalCount++;
totalPrice += product.getPrice() * product.getCount();
}
}
}
tv_total_price.setText("￥" + totalPrice);
tv_go_to_pay.setText("去支付(" + totalCount + ")");
}
}
Drawable包
Check_box_bg.xml
list_selector
text_angle
android:color="#CCCCCC"
android:width="0.01dp" />
text_angle_gray
android:top="1dp"
android:left="1dp"
>
text_angle_right
android:top="1dp"
android:right="1dp"
>
dimens
colors
创建drawable-xhdpi
Main布局
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="@drawable/topbar_background"
android:orientation="vertical" >
android:layout_height="48dp"
android:background="@android:color/transparent"
android:orientation="vertical" >
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_gravity="center_vertical"
android:padding="12dp"
android:src="https://www.it610.com/article/@drawable/topbar_up" />
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" />
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" />
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:childIndicator="@null"
android:groupIndicator="@null" >
android:layout_height="50dp"
android:orientation="horizontal" >
android:layout_height="match_parent"
android:layout_weight="2.5"
android:gravity="center_vertical"
android:orientation="horizontal" >
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" />
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:text="合计:"
android:textSize="16sp"
android:textStyle="bold" />
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="￥0.00"
android:textColor="@color/purple"
android:textSize="16sp"
android:textStyle="bold" />
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" />
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" />
item_shopcart_group布局
android:layout_height="wrap_content"
android:background="@color/white"
android:orientation="vertical" >
android:layout_height="wrap_content"
android:background="@android:color/white" >
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" />
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" />
item_shopcart_product
android:layout_height="wrap_content"
android:orientation="vertical" >
android:layout_height="1dp"
android:background="#CCCCCC" />
android:layout_height="wrap_content"
android:background="@color/page_backgroup"
android:orientation="horizontal" >
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" />
android:layout_width="85dp"
android:layout_height="85dp"
android:layout_marginBottom="15dp"
android:layout_marginTop="13dp"
android:scaleType="centerCrop"
android:src="https://www.it610.com/article/@drawable/psb" />
android:layout_height="match_parent"
android:layout_marginLeft="13dp" >
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" />
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginBottom="30dp"
android:orientation="horizontal" >
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" />
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" />
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="15dp"
android:orientation="horizontal" >
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" />
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" />
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" />
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