关于ExpandableListAdapter的一个比较二的问题，解啊，expandableadapter

package com.dailyreport.main;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ExpandableListActivity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AbsListView;
import android.widget.BaseExpandableListAdapter;
import android.widget.TextView;

import com.example.dailyreport.R;

public class Organization extends ExpandableListActivity {

List<String> group; // 组列表
List<List<String>> child; // 子列表
ContactsInfoAdapter adapter; // 数据适配器

/**
 * 初始化组、子列表数据
 */
private void initializeData() {
group = new ArrayList<String>();
child = new ArrayList<List<String>>();

addInfo("Andy", new String[] { "male", "138123***", "GuangZhou" });
addInfo("Fairy", new String[] { "female", "138123***", "GuangZhou" });
addInfo("Jerry", new String[] { "male", "138123***", "ShenZhen" });
addInfo("Tom", new String[] { "female", "138123***", "ShangHai" });
addInfo("Bill", new String[] { "male", "138231***", "ZhanJiang" });
}


//handle取网络线程的数据
protected static final int SET_ORGANIZATION = 1;
private Handler myhandler = new Handler() {
public void handleMessage(android.os.Message msg) {
if (msg.what == SET_ORGANIZATION) {

String depart_json_array = (String) msg.obj;
JSONArray depart_json_arr = null;
try {
depart_json_arr = new JSONArray(depart_json_array);
} catch (JSONException e1) {
// TODO 自动生成的 catch 块
e1.printStackTrace();
}
try {

JSONObject depart_info = (JSONObject) depart_json_arr
.get(0);
String depart_info_s = depart_info.get(
"contact_depart_json").toString();
String[] armtypes = depart_info_s.split(",");

JSONObject departdetail_info = (JSONObject) depart_json_arr
.get(1);
String contact_departdetail_s = departdetail_info.get(
"contact_departdetail_json").toString();
String[] departdetail_arr = contact_departdetail_s
.split("#");

initializeData();
for (int i = 0; i < armtypes.length; i++) {
 String[] arrarr = new String[]{};
 arrarr = departdetail_arr[i].split(",");
 addInfo(armtypes[i], arrarr);
 
 System.out.println(armtypes[i]);//检查数组！
 for (int j = 0; j < arrarr.length; j++) {
 System.out.println(arrarr[j]); // 检查二维数组！！
 }
}
//  addInfo(armtypes[0], departdetail_arr[0].split(","));

// addInfo("Andy", new String[] { "male", "138123***", "GuangZhou" });
// addInfo("Fairy", new String[] { "female", "138123***", "GuangZhou" });
// addInfo("Jerry", new String[] { "male", "138123***", "ShenZhen" });
// addInfo("Tom", new String[] { "female", "138123***", "ShangHai" });
// addInfo("Bill", new String[] { "male", "138231***", "ZhanJiang" });
 
} catch (JSONException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}

Log.v("depart_json_array", depart_json_array);

}

};
};





@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE); // 设置为无标题
setContentView(R.layout.organization);
getExpandableListView().setBackgroundResource(
R.drawable.contact_background);

new URLConnectionThread().start();

initializeData();

getExpandableListView().setAdapter(new ContactsInfoAdapter());
getExpandableListView().setCacheColorHint(0); // 设置拖动列表的时候防止出现黑色背景
// getExpandableListView().setGroupIndicator(null);//去箭头
}






/**
 * 模拟给组、子列表添加数据
 * 
 * @param g
 *            -group
 * @param c
 *            -child
 */
private void addInfo(String g, String[] c) {
group.add(g);
List<String> childitem = new ArrayList<String>();
for (int i = 0; i < c.length; i++) {
childitem.add(c[i]);
}
child.add(childitem);
}




//列表
class ContactsInfoAdapter extends BaseExpandableListAdapter {

// -----------------Child----------------//
@Override
public Object getChild(int groupPosition, int childPosition) {
return child.get(groupPosition).get(childPosition);
}

@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}

@Override
public int getChildrenCount(int groupPosition) {
return child.get(groupPosition).size();
}

@Override
public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
String string = child.get(groupPosition).get(childPosition);
return getGenericView(string);
}

// ----------------Group----------------//
@Override
public Object getGroup(int groupPosition) {
return group.get(groupPosition);
}

@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}

@Override
public int getGroupCount() {
return group.size();
}

@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
String string = group.get(groupPosition);
return getGenericView(string);
}

// 创建组/子视图
public TextView getGenericView(String s) {
// Layout parameters for the ExpandableListView
AbsListView.LayoutParams lp = new AbsListView.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT, 64); // 框架行间距

TextView text = new TextView(Organization.this);
text.setLayoutParams(lp);
// Center the text vertically
text.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
// Set the text starting position
text.setPadding(36, 0, 0, 0);
text.setTextSize(20);
text.setText(s);
return text;
}

@Override
public boolean hasStableIds() {
// TODO Auto-generated method stub
return false;
}

@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
// TODO Auto-generated method stub
return true;
}

}




//网络请求数据
class URLConnectionThread extends Thread {

@Override
public void run() {
// TODO Auto-generated method stub
super.run();
String contact_json = null;
URL url;
try {
url = new URL(
"http://42.51.5.89:9380/DailyReport_contact/servlet/DailyReportInfoServlet_contact");
URLConnection conn = url.openConnection();
InputStream is = conn.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(
is, "UTF-8"));

String line;
while ((line = br.readLine()) != null) {
contact_json = new String(line);// 读取页面字符串转换为json
}
System.out.println("get depart ok is:" + contact_json);
br.close();
} catch (MalformedURLException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}

Message msg = new Message();
msg.what = SET_ORGANIZATION;
msg.obj = contact_json;
myhandler.sendMessage(msg);
Log.v("contact_json", contact_json);
}
}

}