研究了N久，Google，百度了找到些靠谱的和过滤了N多不靠谱，总算实现了ExpandableList绑定XML数据构成级联、item布局页面控件查找配置事件，自定义适配内容的功能，现在就分享给各个同学。
效果：
布局：
main：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ffffff"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="@id/title" >
<ExpandableListView
android:id="@id/android:list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:cacheColorHint="#ffffffff"
android:drawSelectorOnTop="false" />
<TextView
android:id="@id/android:empty"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
</LinearLayout>
</RelativeLayout>
group:
<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:padding="5dp" >
<ImageView
android:id="@+id/group_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="30dp" />
<TextView
android:id="@+id/group_txt"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingLeft="65dp"
android:textColor="#000000"
android:textSize="35sp" />
</RelativeLayout>
child:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="20dp" >
<ImageView
android:id="@+id/child_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="30dp"
android:paddingTop="4dp" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="@+id/child_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="中国"
android:textSize="30sp" />
<TextView
android:id="@+id/child_address"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="地址：xx省xx市xx" />
</LinearLayout>
<TextView
android:id="@+id/child_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="地址：xx省xx市xx" />
</LinearLayout>
XML数据：
商铺类型：
<?xml version="1.0" encoding="UTF-8"?>
<shoptypes>
<shoptype id="1">
<name>快餐店</name>
</shoptype>
<shoptype id="2">
<name>小卖部</name>
</shoptype>
<shoptype id="3">
<name>网吧</name>
</shoptype>
<shoptype id="4">
<name>电器店</name>
</shoptype>
<shoptype id="5">
<name>银行</name>
</shoptype>
</shoptypes>
商铺：
<?xml version="1.0" encoding="UTF-8"?>
<shops>
<shop id="1">
<typeid>1</typeid>
<name>好食膳</name>
<adress>福州市XXX</adress>
</shop>
<shop id="2">
<typeid>1</typeid>
<name>好食膳</name>
<adress>福州市XXX</adress>
</shop>
<shop id="3">
<typeid>1</typeid>
<name>好食膳</name>
<adress>福州市XXX</adress>
</shop>
<shop id="4">
<typeid>2</typeid>
<name>实践部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="5">
<typeid>2</typeid>
<name>实践部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="6">
<typeid>2</typeid>
<name>实践部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="7">
<typeid>2</typeid>
<name>网络部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="8">
<typeid>3</typeid>
<name>网络部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="9">
<typeid>3</typeid>
<name>网络部</name>
<adress>福州市XXX</adress>
</shop>
<shop id="10">
<typeid>3</typeid>
<name>卡狄工作室</name>
<adress>福州市XXX</adress>
</shop>
<shop id="11">
<typeid>4</typeid>
<name>魔舟工作室</name>
<adress>福州市XXX</adress>
</shop>
<shop id="12">
<typeid>4</typeid>
<name>魔舟工作室</name>
<adress>福州市XXX</adress>
</shop>
<shop id="13">
<typeid>4</typeid>
<name>魔舟工作室</name>
<adress>福州市XXX</adress>
</shop>
<shop id="14">
<typeid>5</typeid>
<name>好食膳</name>
<adress>福州市XXX</adress>
</shop>
<shop id="15">
<typeid>5</typeid>
<name>好食膳</name>
<adress>福州市XXX</adress>
</shop>
</shops>
java：
main:
/**
*
*/
package com.clshf.android.classify;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.clshf.android.R;
import com.clshf.android.domain.Shop;
import com.clshf.android.domain.ShopType;
import com.clshf.android.services.AppXmlPaseService;
import com.clshf.android.services.ExpandableListAdapterService;
import android.app.ExpandableListActivity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.widget.ExpandableListView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
/**
* 作用：分类窗体 创建时间：2012-8-3 上午10:29:53 修改时间：2012年8月10日17:02:16
*
* @author Hzl520
*/
public class ClassifyActivity extends ExpandableListActivity {
private static final String GROUPPCITURE = "grouppciture";
private static final String GROUPNAME = "groupname";
private ExpandableListAdapterService exListAdapter = null;
private static final String SUBCLASSNAMEID = "subclassid";
private static final String SUBCLASSPICTURE = "subclasspicture";
private static final String SUBCLASSNAME = "subclassname";
private static final String SUBCLASSADDRESS = "subclassaddress";
/*
* 作用：窗体初始化.. 步骤：看注释 创建时间：2012-8-7 下午5:24:20 修改时间：2012-8-10 下午4:19:33
*
* @param savedInstanceState
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.classifyview);
/** ==============配置风琴数据=============== **/
AppXmlPaseService appXmlPaseService = new AppXmlPaseService();
try {
List<ShopType> shopTypes = appXmlPaseService.getPersons(this,
"xml/shops/shoptype.xml");
List<Map<String, Object>> groupData = new ArrayList<Map<String, Object>>();// 父类数据
List<List<Map<String, Object>>> childData = new ArrayList<List<Map<String, Object>>>();// 子类数据
// 嵌套循环遍历数据填充至风琴列表中
for (ShopType shoptype : shopTypes) {
HashMap<String, Object> curGroupMap = new HashMap<String, Object>();
groupData.add(curGroupMap);
curGroupMap.put(GROUPPCITURE, R.drawable.iv_1);// 填充图片，这个随意放。
curGroupMap.put(GROUPNAME, shoptype.getName());// 填充XML中的名称
// 循环遍历子数据
List<Shop> shops = appXmlPaseService.getShops(this,
"xml/shops/shop.xml");
List<Map<String, Object>> children = new ArrayList<Map<String, Object>>();
for (Shop shop : shops) {
HashMap<String, Object> curChildMap = new HashMap<String, Object>();
int shoptypeid = shoptype.get_id();
if (shoptypeid != 0) {
if (shoptypeid == shop.getTypeid()) {
curChildMap.put(SUBCLASSPICTURE, R.drawable.iv_1);
curChildMap.put(SUBCLASSNAMEID, shop.get_id()
.toString());
curChildMap.put(SUBCLASSNAME, shop.getName());
curChildMap.put(SUBCLASSADDRESS, shop.getAddress());
children.add(curChildMap);
} else {
continue;
}
}
}
childData.add(children);
}
// 配置风琴列表数据
exListAdapter = new ExpandableListAdapterService(
ClassifyActivity.this, groupData, R.layout.classify_group,
new String[] { GROUPPCITURE, GROUPNAME }, new int[] {
R.id.group_image, R.id.group_txt }, childData,
R.layout.classify_child, new String[] { SUBCLASSPICTURE,
SUBCLASSNAME, SUBCLASSADDRESS, SUBCLASSNAMEID },
new int[] { R.id.child_image, R.id.child_name,
R.id.child_address, R.id.child_id });
// 设置风琴列表数据
setListAdapter(exListAdapter);
} catch (Exception e) {
e.printStackTrace();
}
// 对图片ID进行处理
exListAdapter
.setViewBinder(new ExpandableListAdapterService.ViewBinder() {
/*
* 作用：处理图片问题 步骤：看注释 创建时间：2012-8-10 下午4:19:29 修改时间：2012-8-10
* 下午4:19:29
*
* @param view
*
* @param data
*
* @param textRepresentation
*
* @return
*/
@Override
public boolean setViewValue(View view, Object data,
String textRepresentation) {
switch (view.getId()) {
case R.id.group_image: {
if (view instanceof ImageView) {
ImageView _view = (ImageView) view;
if (data instanceof Integer) {
_view.setImageResource((Integer) data);
} else if (data instanceof Drawable) {
_view.setImageDrawable((Drawable) data);
} else {
throw new IllegalArgumentException(
"The Data is Not a Drawable Or Resource Id!");
}
}
return true;
}
case R.id.child_image: {
if (view instanceof ImageView) {
ImageView _view = (ImageView) view;
if (data instanceof Integer) {
_view.setImageResource((Integer) data);
} else if (data instanceof Drawable) {
_view.setImageDrawable((Drawable) data);
} else {
throw new IllegalArgumentException(
"The Data is Not a Drawable Or Resource Id!");
}
}
return true;
}
}
return false;
}
});
}
/*
* 作用：处理子菜单点击事件
* 步骤：看注释
* 创建时间：2012-8-11 上午11:48:53
* 修改时间：2012-8-11 上午11:48:53
* @param parent
* @param v
* @param groupPosition
* @param childPosition
* @param id
* @return
*/
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
HashMap<String,String> map=(HashMap<String,String>)exListAdapter.getChild(groupPosition, childPosition);
String sid=map.get(SUBCLASSNAMEID);
Toast.makeText(this, "child--->"+sid,1).show();
return true;
}
}
xml数据解析：
/**
*
*/
package com.clshf.android.services;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.xmlpull.v1.XmlPullParser;
import com.clshf.android.domain.Shop;
import com.clshf.android.domain.ShopType;
import android.content.Context;
import android.util.Xml;
/**
* 作用：应用的XML数据解析处理
* 创建时间：2012-8-10 上午10:34:30
* 修改时间：2012-8-10 上午10:34:30
* @author Hzl520
*/
public class AppXmlPaseService {
/**
* 作用：获取assets文件中的shop数据
* 步骤：看注释
* 创建时间：2012-8-10 下午5:31:10
* 修改时间：2012-8-10 下午5:31:10
* @param context
* @param assetspath
* @return List<Shop>
* @throws Exception
*/
public List<Shop> getShops(Context context,String assetspath ) throws Exception {
//获取xml文件流对象
InputStream inputStream=context.getAssets().open(assetspath);
List<Shop> shops=null;
Shop shop=null;
XmlPullParser parser=Xml.newPullParser();
parser.setInput(inputStream, "UTF-8");
//获取解析事件，和SAX类似
int eventType=parser.getEventType();
//使用各个事件解析XML
while(eventType!=XmlPullParser.END_DOCUMENT){
switch (eventType) {
case XmlPullParser.START_DOCUMENT:
//开始遍历节点的时候实例化集合
shops=new ArrayList<Shop>();
break;
case XmlPullParser.START_TAG:
String name=parser.getName();
if(name.equals("shop")){
shop=new Shop();
shop.set_id(new Integer(parser.getAttributeValue(0)));
}
if (shop!=null) {
if (name.equals("typeid")) {
shop.setTypeid(new Integer(parser.nextText()));
}else if (name.equals("name")) {
shop.setName(parser.nextText());
}
else if (name.equals("adress")) {
shop.setAddress(parser.nextText());
}
}
break;
case XmlPullParser.END_TAG:
if(parser.getName().equals("shop")){
shops.add(shop);
shop=null;
}
break;
}
//遍历下一个节点
eventType=parser.next();
}
return shops;
}
/**
* 作用：从XML中获取商店类型信息
* 步骤：看注释
* 创建时间：2012-7-14 上午10:31:25
* 修改时间：2012-7-14 上午10:31:25
* @param inputStream
* @return
* @throws Exception
*/
public List<ShopType> getPersons(Context context,String assetspath ) throws Exception {
//获取xml文件流对象
InputStream inputStream=context.getAssets().open(assetspath);
List<ShopType> shoptypes=null;
ShopType shoptype=null;
XmlPullParser parser=Xml.newPullParser();
parser.setInput(inputStream, "UTF-8");
//获取解析事件，和SAX类似
int eventType=parser.getEventType();
//使用各个事件解析XML
while(eventType!=XmlPullParser.END_DOCUMENT){
switch (eventType) {
case XmlPullParser.START_DOCUMENT:
//开始遍历节点的时候实例化集合
shoptypes=new ArrayList<ShopType>();
break;
case XmlPullParser.START_TAG:
String name=parser.getName();
if(name.equals("shoptype")){
shoptype=new ShopType();
shoptype.set_id(new Integer(parser.getAttributeValue(0)));
}
if (shoptype!=null) {
if (name.equals("name")) {
shoptype.setName(parser.nextText());
}
}
break;
case XmlPullParser.END_TAG:
if(parser.getName().equals("shoptype")){
shoptypes.add(shoptype);
shoptype=null;
}
break;
}
//遍历下一个节点
eventType=parser.next();
}
return shoptypes;
}
}
ExpandableList数据适配器：
package com.clshf.android.services;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.TextView;
import java.util.List;
import java.util.Map;
/**
* 作用：自定义处理ExpandableListAdapter数据
* 创建时间：2012-8-10 下午3:30:09
* 修改时间：2012-8-10 下午3:30:09
* @author Hzl520
*/
public class ExpandableListAdapterService extends BaseExpandableListAdapter {
private ViewBinder mViewBinder;
private List<? extends Map<String, ?>> mGroupData;
private int mExpandedGroupLayout;
private int mCollapsedGroupLayout;
private String[] mGroupFrom;
private int[] mGroupTo;
private List<? extends List<? extends Map<String, ?>>> mChildData;
private int mChildLayout;
private int mLastChildLayout;
private String[] mChildFrom;
private int[] mChildTo;
private LayoutInflater mInflater;
public ExpandableListAdapterService(Context context, List<? extends Map<String, ?>> groupData,
int groupLayout, String[] groupFrom, int[] groupTo,
List<? extends List<? extends Map<String, ?>>> childData, int childLayout,
String[] childFrom, int[] childTo) {
this(context, groupData, groupLayout, groupLayout, groupFrom, groupTo, childData,
childLayout, childLayout, childFrom, childTo);
}
public ExpandableListAdapterService(Context context, List<? extends Map<String, ?>> groupData,
int expandedGroupLayout, int collapsedGroupLayout, String[] groupFrom, int[] groupTo,
List<? extends List<? extends Map<String, ?>>> childData, int childLayout,
String[] childFrom, int[] childTo) {
this(context, groupData, expandedGroupLayout, collapsedGroupLayout, groupFrom, groupTo,
childData, childLayout, childLayout, childFrom, childTo);
}
public ExpandableListAdapterService(Context context, List<? extends Map<String, ?>> groupData,
int expandedGroupLayout, int collapsedGroupLayout, String[] groupFrom, int[] groupTo,
List<? extends List<? extends Map<String, ?>>> childData, int childLayout,
int lastChildLayout, String[] childFrom, int[] childTo) {
mGroupData = groupData;
mExpandedGroupLayout = expandedGroupLayout;
mCollapsedGroupLayout = collapsedGroupLayout;
mGroupFrom = groupFrom;
mGroupTo = groupTo;
mChildData = childData;
mChildLayout = childLayout;
mLastChildLayout = lastChildLayout;
mChildFrom = childFrom;
mChildTo = childTo;
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public Object getChild(int groupPosition, int childPosition) {
return mChildData.get(groupPosition).get(childPosition);
}
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
/**
* Instantiates a new View for a child.
* @param isLastChild Whether the child is the last child within its group.
* @param parent The eventual parent of this new View.
* @return A new child View
*/
public View newChildView(boolean isLastChild, ViewGroup parent) {
return mInflater.inflate((isLastChild) ? mLastChildLayout : mChildLayout, parent, false);
}
public int getChildrenCount(int groupPosition) {
return mChildData.get(groupPosition).size();
}
public Object getGroup(int groupPosition) {
return mGroupData.get(groupPosition);
}
public int getGroupCount() {
return mGroupData.size();
}
public long getGroupId(int groupPosition) {
return groupPosition;
}
/**
* Instantiates a new View for a group.
* @param isExpanded Whether the group is currently expanded.
* @param parent The eventual parent of this new View.
* @return A new group View
*/
public View newGroupView(boolean isExpanded, ViewGroup parent) {
return mInflater.inflate((isExpanded) ? mExpandedGroupLayout : mCollapsedGroupLayout,
parent, false);
}
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
public boolean hasStableIds() {
return true;
}
// --------------------------------------------------------------------------------------//
private void bindView(View view, Map<String, ?> data, String[] from, int[] to) {
int len = to.length;
boolean isBound = false;
for (int i = 0; i < len; i++) {
final View v = view.findViewById(to[i]);
if (v!=null) {
final Object _data = data.get(from[i]);
String text = _data == null ? "" : data.toString();
if (text == null) {
text = "";
}
if (mViewBinder != null) {//如果Binder不为空,使用Binder进行处理
isBound = mViewBinder.setViewValue(v, data.get(from[i]), text);
}
if (!isBound) {//如果Binder跳过,使用原来的方法进行处理
TextView _v = (TextView)v;
_v.setText((String)data.get(from[i]));
}
}
}
}
public View getGroupView(int groupPosition, boolean isExpanded, View convertView,
ViewGroup parent) {
View v;
if (convertView == null) {
v = newGroupView(isExpanded, parent);
} else {
v = convertView;
}
bindView(v, mGroupData.get(groupPosition), mGroupFrom, mGroupTo);
return v;
}
public View getChildView(int groupPosition, int childPosition, boolean isLastChild,
View convertView, ViewGroup parent) {
View v;
if (convertView == null) {
v = newChildView(isLastChild, parent);
} else {
v = convertView;
}
bindView(v, mChildData.get(groupPosition).get(childPosition), mChildFrom, mChildTo);
return v;
}
public void setViewBinder(ViewBinder mViewBinder) {
this.mViewBinder = mViewBinder;
}
/**
* 作用：提供视图渲染的绑定器
* 创建时间：2012-8-10 下午3:29:45
* 修改时间：2012-8-10 下午3:29:45
* @author Hzl520
*/
public static interface ViewBinder {
boolean setViewValue(View view, Object data, String textRepresentation);
}
}
转载请注明：http://www.cnblogs.com/hzl512/archive/2012/08/11/2633664.html
