안녕하세요 ExpandableList 내에 체크박스를 둠을 통해

체크리스트를 만드려고 하는데요.

아래의 소스를 이용해 만들고 있는데 체크박스의 체크가 자기 멋대로 움직이네요..

SimpleExpandableListAdapter 아답터가 View 를 재활용 하면서 생기는,

SimpleExpandableListAdapter가 TextView 를 가져와 TextView 의 내용만을 바인딩 해서 생기는 문제라는데

어떻게 해야 이 문제를 해결할 수 있을까요?

소스는 아래와 같습니다.

import android.app.ExpandableListActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.ListView;

import android.widget.CheckBox;

import android.widget.ExpandableListView;

import android.widget.SimpleExpandableListAdapter;

import java.util.List;

import java.util.ArrayList;

import java.util.Map;

import java.util.HashMap;

import android.util.Log;

public class ElistCBox extends ExpandableListActivity

{

    private static final String LOG_TAG = "ElistCBox";

    static final String colors[] = {

  "grey",

  "blue",

  "yellow",

  "red"

};

static final String shades[][] = {

// Shades of grey

  {

"lightgrey","#D3D3D3",

"dimgray","#696969",

"sgi gray 92","#EAEAEA"

  },

// Shades of blue

  {

"dodgerblue 2","#1C86EE",

"steelblue 2","#5CACEE",

"powderblue","#B0E0E6"

  },

// Shades of yellow

  {

"yellow 1","#FFFF00",

"gold 1","#FFD700",

"darkgoldenrod 1"," #FFB90F"

  },

// Shades of red

  {

"indianred 1","#FF6A6A",

"firebrick 1","#FF3030",

"maroon","#800000"

  }

    };

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle icicle)

    {

        super.onCreate(icicle);

        setContentView(R.layout.main);

SimpleExpandableListAdapter expListAdapter =

new SimpleExpandableListAdapter(

this,

createGroupList(), // groupData describes the first-level entries

R.layout.group_row, // Layout for the first-level entries

new String[] { "colorName" }, // Key in the groupData maps to display

new int[] { R.id.childname }, // Data under "colorName" key goes into this TextView

createChildList(), // childData describes second-level entries

R.layout.child_row, // Layout for second-level entries

new String[] { "shadeName", "rgb" }, // Keys in childData maps to display

new int[] { R.id.childname, R.id.rgb } // Data under the keys above go into these TextViews

);

setListAdapter( expListAdapter );

    }

    public void  onContentChanged  () {

        super.onContentChanged();

        Log.d( LOG_TAG, "onContentChanged" );

    }

    @Override

    public boolean onChildClick(

            ExpandableListView parent, 

            View v, 

            int groupPosition,

            int childPosition,

            long id) {

        Log.d( LOG_TAG, "onChildClick: "+childPosition );

        CheckBox cb = (CheckBox)v.findViewById( R.id.check1 );

//        if( cb != null )

//            cb.toggle();

        return false;

    }

    public void  onGroupExpand  (int groupPosition) {

        Log.d( LOG_TAG,"onGroupExpand: "+groupPosition );

    }

/**

  * Creates the group list out of the colors[] array according to

  * the structure required by SimpleExpandableListAdapter. The resulting

  * List contains Maps. Each Map contains one entry with key "colorName" and

  * value of an entry in the colors[] array.

  */

private List createGroupList() {

  ArrayList result = new ArrayList();

  for( int i = 0 ; i < colors.length ; ++i ) {

HashMap m = new HashMap();

    m.put( "colorName",colors[i] );

result.add( m );

  }

  return (List)result;

    }

/**

  * Creates the child list out of the shades[] array according to the

  * structure required by SimpleExpandableListAdapter. The resulting List

  * contains one list for each group. Each such second-level group contains

  * Maps. Each such Map contains two keys: "shadeName" is the name of the

  * shade and "rgb" is the RGB value for the shade.

  */

  private List createChildList() {

ArrayList result = new ArrayList();

for( int i = 0 ; i < shades.length ; ++i ) {

// Second-level lists

  ArrayList secList = new ArrayList();

  for( int n = 0 ; n < shades[i].length ; n += 2 ) {

    HashMap child = new HashMap();

child.put( "shadeName", shades[i][n] );

    child.put( "rgb", shades[i][n+1] );

secList.add( child );

  }

  result.add( secList );

}

return result;

  }

}

//group_row.xml

<?xml version="1.0" encoding="utf-8"?>