Android ExpandableListView显示模板

以下是expandexample.java. 拷贝后即可运行：

package com.xx.xx.xxxxx
import java.util.ArrayList;
import java.util.List;
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.ExpandableListView;
import android.widget.LinearLayout;
import android.widget.TextView;
public class pdfOutlineList extends Activity {
	private ExpandableListView mElv;
	private LinearLayout mLayout;
	private List<String> mGroupArray;  
	private List<List<String>> mChildArray;
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		mLayout = new LinearLayout(this);
		mElv = new ExpandableListView(this); 
		mGroupArray = new ArrayList<String>();  
		mChildArray = new ArrayList<List<String>>();  
		  
		mGroupArray.add("第一行");  
		mGroupArray.add("第二行");  
		List<String> tempArray = new ArrayList<String>();  
		tempArray.add("第一条");  
		tempArray.add("第二条");  
		tempArray.add("第三条");  
		for(int index = 0; index <mGroupArray.size(); ++index)  
		{  
			mChildArray.add(tempArray);  
		}
		mElv.setAdapter(new ExpandableAdapter(this));  
		mLayout.addView(mElv);
		setContentView(mLayout);
	}
	public class ExpandableAdapter extends BaseExpandableListAdapter  
	{  
		Activity activity;  
		public ExpandableAdapter(Activity a)
		{  
			activity = a;  
		}
		public Object getChild(int groupPosition, int childPosition)  
		{  
			return mChildArray.get(groupPosition).get(childPosition);  
		}  
		public long getChildId(int groupPosition, int childPosition)  
		{  
			return childPosition;  
		}  
		public int getChildrenCount(int groupPosition)  
		{  
			return mChildArray.get(groupPosition).size();  
		}  
		public View getChildView(int groupPosition, int childPosition,  
				boolean isLastChild, View convertView, ViewGroup parent)  
		{  
			String string = mChildArray.get(groupPosition).get(childPosition);  
			return getGenericView(string);  
		}  
 
		public Object getGroup(int groupPosition)  
		{  
			return mGroupArray.get(groupPosition);  
		}  
		public int getGroupCount()  
		{  
			return mGroupArray.size();
		}  
		public long getGroupId(int groupPosition)  
		{  
			return groupPosition;  
		}  
		public View getGroupView(int groupPosition, boolean isExpanded,  
				View convertView, ViewGroup parent)  
		{  
			String string = mGroupArray.get(groupPosition);  
			return getGenericView(string);  
		}  
		public TextView getGenericView(String string)  
		{
			AbsListView.LayoutParams layoutParams = new AbsListView.LayoutParams(  
					ViewGroup.LayoutParams.FILL_PARENT, 64);  
			TextView text = new TextView(activity);  
			text.setLayoutParams(layoutParams);  
			text.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);  
	        text.setPadding(36, 0, 0, 0);  
	        text.setText(string);  
	        return text;  
		}  
		public boolean hasStableIds()  
		{  
			return false;  
		}  
		public boolean isChildSelectable(int groupPosition, int childPosition)  
		{  
			return true;  
		}
	}
}

最终显示结果：

参考代码：http://blog.csdn.net/Sevan7/archive/2010/10/13/5937472.aspx