코드는 아래와 같습니다.

Thread 생성시 ArrayAdapter에러
package dev.hiway; 

import java.util.*;
import org.xmlpull.v1.*;
import android.app.*;
import android.os.*;
import android.widget.*;
public class ListViewActvity extends Activity {
  public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  
  new Thread(new Runnable() {
   public void run(){

  boolean initem = false;
  ArrayList<String> itemName = new ArrayList<String>();
  String item = "";
  String mitem = "";
  try {
   XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
   XmlPullParser parser = factory.newPullParser();
   parser.setInput(getAssets().open("list.xml"),"UTF-8");
   int eventType = parser.getEventType();
   while (eventType != XmlPullParser.END_DOCUMENT) {
    String elementTag = parser.getName();
    switch (eventType) {
    case XmlPullParser.START_TAG:
    if(elementTag.equals("road")) {
     initem = true;
    }else if(initem != false) {
     if(elementTag.equals("title")){
      item = parser.nextText();
     }else if(elementTag.equals("speed")){
      mitem = parser.nextText();
     }
    }
    
     break;
    case XmlPullParser.END_TAG:
     if(elementTag.equals("road")) {
      itemName.add(item);
      itemName.add(mitem);
      initem = false;
     }
     break;
    } 
    eventType = parser.next();
   }
   ArrayAdapter<String> resultAdapter;
   resultAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, itemName);
   ListView list = (ListView)findViewById(R.id.list);
   list.setAdapter(resultAdapter);
  }
  catch (Exception e) {
   e.toString();
  }
   }
  }).start();
    }
 }



Thread를 생성하면 이클립스에서 빨간줄로
"The constructor ArrayAdapter<String>(new Runnable(){}, int, ArrayList<String>) is undefined"라는 메시지가 나옵니다...
뭐가 문제일까요??????????

자바초보 안드로이드 초보자 입니다..ㅠㅠ