package se.ks;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import android.widget.ExpandableListView.OnGroupClickListener;
import android.widget.SimpleExpandableListAdapter;


public class ExpandListViewTest extends Activity {
 private static final String KEY1 = "GROUP";
 private static final String KEY2 = "CHILD";

 private String[] GROUPS = {"Group1", "Group2", "Group3"};
 private String[][][] CHILDREN = {
     {{"Child11", "Text11"}}, 
     {{"Child21", "Text21"}, {"Child22", "Text22"}},
     {{"Child31", "Text31"}, {"Child32", "Text32"}, {"Child33", "Text33"}}, 
 };

 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.main);

   List<Map<String, String>> groupData =
       new ArrayList<Map<String, String>>();
   List<List<Map<String, String>>> childData =
       new ArrayList<List<Map<String, String>>>();

   for (int i = 0; i < GROUPS.length; i++) {
     Map<String, String> curGroupMap =
         new HashMap<String, String>();
     groupData.add(curGroupMap);
     curGroupMap.put(KEY1, GROUPS[i]);
     curGroupMap.put(KEY2, "");

     List<Map<String, String>> children =
         new ArrayList<Map<String, String>>();
     if (CHILDREN.length > i) {
       for (int j = 0; j < CHILDREN[i].length; j++) {
         Map<String, String> curChildMap =
             new HashMap<String, String>();
         children.add(curChildMap);
         curChildMap.put(KEY1, CHILDREN[i][j][0]);
         curChildMap.put(KEY2, CHILDREN[i][j][1]);
       }
     }
     childData.add(children);
   }

   ExpandableListAdapter adapter =
       new SimpleExpandableListAdapter(
           this,
           groupData,
           android.R.layout.simple_expandable_list_item_1,
           new String[] { KEY1, KEY2 },
           new int[] { android.R.id.text1, android.R.id.text2 },
           childData,
           android.R.layout.simple_expandable_list_item_2,
           new String[] { KEY1, KEY2 },
           new int[] { android.R.id.text1, android.R.id.text2 }
       );

   ExpandableListView listView = 
     (ExpandableListView) findViewById(R.id.ExpandableListView);
   listView.setAdapter(adapter);
   final int groupCount = listView.getCount();
   
   for(int i=0; i <groupCount; i++){
    listView.collapseGroup(i);
    listView.expandGroup(i);
   }
   
   listView.setOnGroupClickListener(new OnGroupClickListener() {
     public boolean onGroupClick(ExpandableListView parent,
         View v, int groupPosition, long id) {
     
       return false;
     }      
   });
   
   listView.setOnChildClickListener(new OnChildClickListener() {
     public boolean onChildClick(ExpandableListView parent, View v,
         int groupPosition, int childPosition, long id) {
     return false;
     }      
   });
   
 }

}


여기서 각 child 들 마다 클릭시 다른 페이지로 가게 intent를 줄려고 하는데 
Toast로 값을 좀 알아볼려고 하니 makeText에서 에러가납니다. 

listView.setOnChildClickListener(new OnChildClickListener() {
     public boolean onChildClick(ExpandableListView parent, View v,
         int groupPosition, int childPosition, long id) {
     Toast.makeText(this, childPostion, Toast.LENGTH_SHORT).show();
     return false;
     }      
   });

왜그런지 문제랑 각각 다른 intent 를 줄려면 어떻게 해야하는지 궁금합니다.

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