ExpandableListView 展开列表控件

package com.Ina.Expand; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import android.app.ExpandableListActivity; import android.app.IntentService; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.ExpandableListView; import android.widget.SimpleExpandableListAdapter; public class ExpandActivity extends ExpandableListActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //创建二个一级条目标题 Map<String, String> title_1 = new HashMap<String, String>(); Map<String, String> title_2 = new HashMap<String, String>(); title_1.put("group", "开发"); title_2.put("group", "管理"); //创建一级条目容器 List<Map<String, String>> gruops = new ArrayList<Map<String,String>>(); gruops.add(title_1); gruops.add(title_2); //创建二级条目内容 //内容一 Map<String, String> content_1 = new HashMap<String, String>(); Map<String, String> content_2 = new HashMap<String, String>(); content_1.put("child", "VC++"); content_2.put("child", "Java"); List<Map<String, String>> childs_1 = new ArrayList<Map<String,String>>(); childs_1.add(content_1); childs_1.add(content_2); //内容二 Map<String, String> content_3 = new HashMap<String, String>(); Map<String, String> content_4 = new HashMap<String, String>(); content_3.put("child", "敏捷开发"); content_4.put("child", "迭代开发"); List<Map<String, String>> childs_2 = new ArrayList<Map<String,String>>(); childs_2.add(content_3); childs_2.add(content_4); //存放两个内容, 以便显示在列表中 List<List<Map<String, String>>> childs = new ArrayList<List<Map<String,String>>>(); childs.add(childs_1); childs.add(childs_2); //创建ExpandableList的Adapter容器 //参数: 1.上下文 2.一级集合 3.一级样式文件 4. 一级条目键值 5.一级显示控件名 // 6. 二级集合 7. 二级样式 8.二级条目键值 9.二级显示控件名 SimpleExpandableListAdapter sela = new SimpleExpandableListAdapter( this, gruops, R.drawable.groups, new String[]{"group"}, new int[]{R.id.textGroup}, childs, R.drawable.childs, new String[]{"child"}, new int[]{R.id.textChild} ); //加入列表 setListAdapter(sela); Intent intent = new Intent(); intent.setClass(this, ExpandControlActivity.class); startActivity(intent); } //列表内容按下 @Override public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { // TODO Auto-generated method stub return super.onChildClick(parent, v, groupPosition, childPosition, id); } //二级标题按下 @Override public boolean setSelectedChild(int groupPosition, int childPosition, boolean shouldExpandGroup) { // TODO Auto-generated method stub return super.setSelectedChild(groupPosition, childPosition, shouldExpandGroup); } //一级标题按下 @Override public void setSelectedGroup(int groupPosition) { // TODO Auto-generated method stub super.setSelectedGroup(groupPosition); } }