ExpandableListView是ListView的子类，在其基础上进行了扩展，把英语中的列表项分为几组，每组里又可包含多个列表项。

在用法上，其显示的列表项由ExpandableAdapter提供 

xml

MainActivity

package org.crazyit.listview;import android.app.Activity;import android.os.Bundle;import android.view.Gravity;import android.view.View;import android.view.ViewGroup;import android.widget.AbsListView;import android.widget.BaseExpandableListAdapter;import android.widget.ExpandableListAdapter;import android.widget.ExpandableListView;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;/** * Description: * 
site: 
    
     crazyit.org  * 
     
Copyright (C), 2001-2012, Yeeku.H.Lee * 
     
This program is protected by copyright laws. * 
     
Program Name: * 
     
Date: * @author  Yeeku.H.Lee kongyeeku@163.com * @version  1.0 */public class ExpandableListViewTest extends Activity{	@Override	public void onCreate(Bundle savedInstanceState)	{		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		//创建一个BaseExpandableListAdapter对象		ExpandableListAdapter adapter = new BaseExpandableListAdapter()		{			int[] logos = new int[]			{				R.drawable.p,				R.drawable.z,				R.drawable.t			}; 			private String[] armTypes = new String[]				{ "神族兵种", "虫族兵种", "人族兵种"};			private String[][] arms = new String[][]			{				{ "狂战士", "龙骑士", "黑暗圣堂", "电兵" },				{ "小狗", "刺蛇", "飞龙", "自爆飞机" },				{ "机枪兵", "护士MM" , "幽灵" }			};			//获取指定组位置、指定子列表项处的子列表项数据			@Override			public Object getChild(int groupPosition, int childPosition)			{				return arms[groupPosition][childPosition];			}			@Override			public long getChildId(int groupPosition, int childPosition)			{				return childPosition;			}			@Override			public int getChildrenCount(int groupPosition)			{				return arms[groupPosition].length;			}			private TextView getTextView()			{				AbsListView.LayoutParams lp = new AbsListView.LayoutParams(						ViewGroup.LayoutParams.FILL_PARENT, 64);				TextView textView = new TextView(ExpandableListViewTest.this);				textView.setLayoutParams(lp);				textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);				textView.setPadding(36, 0, 0, 0);				textView.setTextSize(20);				return textView;			}			//该方法决定每个子选项的外观			@Override			public View getChildView(int groupPosition, int childPosition,					boolean isLastChild, View convertView, ViewGroup parent)			{				TextView textView = getTextView();							textView.setText(getChild(groupPosition, childPosition).toString());				return textView;			}			//获取指定组位置处的组数据			@Override			public Object getGroup(int groupPosition)			{				return armTypes[groupPosition];			}			@Override			public int getGroupCount()			{				return armTypes.length;			}			@Override			public long getGroupId(int groupPosition)			{				return groupPosition;			}			//该方法决定每个组选项的外观			@Override			public View getGroupView(int groupPosition, boolean isExpanded,					View convertView, ViewGroup parent)			{				LinearLayout ll = new LinearLayout(ExpandableListViewTest.this);				ll.setOrientation(0);				ImageView logo = new ImageView(ExpandableListViewTest.this);				logo.setImageResource(logos[groupPosition]);				ll.addView(logo);				TextView textView = getTextView();				textView.setText(getGroup(groupPosition).toString());								ll.addView(textView);							return ll;			}			@Override			public boolean isChildSelectable(int groupPosition, int childPosition)			{				return true;			}			@Override			public boolean hasStableIds()			{				return true;			}		};		ExpandableListView expandListView = (ExpandableListView)			findViewById(R.id.list);		expandListView.setAdapter(adapter);	}}