android expandablelistview

若是要看原文和详细，请支持别人的原创。

请连接转载。

转载地址：
http://www.cnblogs.com/sczjhh/archive/2012/11/26/szh.html
package com.eyu.activity_test;

import android.content.Context;

import android.graphics.Color;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.AbsListView;

import android.widget.BaseExpandableListAdapter;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.TextView;

/**

* @author Administrator

* @date &{date}

*/

public class ExpandableAdapter extends BaseExpandableListAdapter{

private Context context;

public ExpandableAdapter(Context context){

this.context = context;

}

int[] logos = new int[] { R.drawable.wei, R.drawable.shu,R.drawable.wu};

//设置组视图的显示文字

private String[] generalsTypes = new String[] { "魏", "蜀", "吴" };

//子视图显示文字

private String[][] generals = new String[][] {

{ "夏侯惇", "甄姬", "许褚", "郭嘉", "司马懿", "杨修" },

{ "马超", "张飞", "刘备", "诸葛亮", "黄月英", "赵云" },

{ "吕蒙", "陆逊", "孙权", "周瑜", "孙尚香" }

};

//子视图图片

public int[][] generallogos = new int[][] {

{ R.drawable.xiahoudun, R.drawable.zhenji,

R.drawable.xuchu, R.drawable.guojia,

R.drawable.simayi, R.drawable.yangxiu },

{ R.drawable.machao, R.drawable.zhangfei,

R.drawable.liubei, R.drawable.zhugeliang,

R.drawable.huangyueying, R.drawable.zhaoyun },

{ R.drawable.lvmeng, R.drawable.luxun, R.drawable.sunquan,

R.drawable.zhouyu, R.drawable.sunshangxiang } };

//自己定义一个获得文字信息的方法

TextView getTextView() {

AbsListView.LayoutParams lp = new AbsListView.LayoutParams(

ViewGroup.LayoutParams.WRAP_CONTENT, 84);

TextView textView = new TextView(

context);

textView.setLayoutParams(lp);

textView.setGravity(Gravity.CENTER_VERTICAL|Gravity.LEFT);

textView.setPadding(36, 0, 200, 0);

textView.setTextSize(20);

textView.setTextColor(Color.BLACK);

return textView;

}

@Override

public Object getChild(int groupPosition, int childPosition) {

// TODO Auto-generated method stub

return generals[groupPosition][childPosition];

}

@Override

public long getChildId(int groupPosition, int childPosition) {

// TODO Auto-generated method stub

return childPosition;

}

@Override

public View getChildView(int groupPosition, int childPosition,

boolean isLastChild, View convertView, ViewGroup parent) {

// TODO Auto-generated method stub

LinearLayout ll = new LinearLayout(

context);

ll.setOrientation(0);

ImageView generallogo = new ImageView(

context);

generallogo

.setImageResource(generallogos[groupPosition][childPosition]);

ll.addView(generallogo);

TextView textView = getTextView();

textView.setText(getChild(groupPosition, childPosition)

.toString());

ll.addView(textView);

return ll;

}

@Override

public int getChildrenCount(int groupPosition) {

// TODO Auto-generated method stub

return generals[groupPosition].length;

}

@Override

public Object getGroup(int groupPosition) {

// TODO Auto-generated method stub

return generalsTypes[groupPosition];

}

@Override

public int getGroupCount() {

// TODO Auto-generated method stub

return generalsTypes.length;

}

@Override

public long getGroupId(int groupPosition) {

// TODO Auto-generated method stub

return groupPosition;

}

@Override

public View getGroupView(int groupPosition, boolean isExpanded,

View convertView, ViewGroup parent) {

// TODO Auto-generated method stub

LinearLayout ll = new LinearLayout(

context);

ll.setOrientation(LinearLayout.HORIZONTAL);

ImageView logo = new ImageView(context);

logo.setImageResource(logos[groupPosition]);

logo.setPadding(0, 0, 0, 0);

ll.addView(logo);

TextView textView = getTextView();

textView.setTextColor(Color.BLACK);

textView.setText(getGroup(groupPosition).toString());

ll.addView(textView);

ImageView iv =new ImageView(context);

iv.setPadding(70, 0, 0, 0);

if (isExpanded) {

iv.setBackgroundResource(R.drawable.btn1);

} else {

iv.setBackgroundResource(R.drawable.btn2);

}

ll.addView(iv);

return ll;

// LinearLayout ll = (LinearLayout) View.inflate( context, R.layout.list_item , null);

// TextView tv = (TextView)ll.findViewById(R.id.tv);

// ImageView iv1 = (ImageView)ll.findViewById(R.id.iv1);

// ImageView iv2 = (ImageView)ll.findViewById(R.id.iv2);

// tv.setText(getGroup(groupPosition).toString());

// iv1.setBackgroundResource(logos[groupPosition]);

// if (isExpanded) {

//

// iv2.setBackgroundResource(R.drawable.btn1);

// } else {

// iv2.setBackgroundResource(R.drawable.btn2);

// }

// return null;

}

@Override

public boolean hasStableIds() {

// TODO Auto-generated method stub

return true;

}

@Override

public boolean isChildSelectable(int groupPosition, int childPosition) {

// TODO Auto-generated method stub

return true;

}

}