소스가 이런데...

buttonContect.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View v) {
    //파싱 시작
    try {
     URL text = new URL(
       "http://mh.kaya.ac.kr/list/loginpass.aspx?id=" + editId.getText()
        + "&pass=" + editPwd.getText().toString());

     XmlPullParserFactory parserCreator = XmlPullParserFactory
       .newInstance();
     XmlPullParser parser = parserCreator.newPullParser();
     parser.setInput(null, "UTf_8");
     
     parser.setInput(text.openStream(), null);

     int parserEvent = parser.getEventType();
     String tag = null;
     boolean inTitle = false;
     while (parserEvent != XmlPullParser.END_DOCUMENT) {
      switch (parserEvent) {

      case XmlPullParser.TEXT:

      // tag = parser.getName();
       if(tag.equals("resultcode")){
        log_B = parser.getText();
       }
       break;
     
      }
      parserEvent = parser.next();
     }
    } catch (Exception e) {
     Log.e("dd", "Error in network call", e);
    }
    Toast tos_connectss = Toast.makeText(getBaseContext(),
      "http://mh.kaya.ac.kr/list/loginpass.aspx?id=" + editId.getText()
      + "&pass=" + editPwd.getText().toString(), 10);
     tos_connectss.show();
    Toast tos_connectsss = Toast.makeText(getBaseContext(),
      editPwd.getText().toString(), 10);
     tos_connectsss.show();
    Toast tos_connects = Toast.makeText(getBaseContext(),
      log_B, 10);
    tos_connects.show();
    //**************************************************
     
    if (editId.getText().toString().equals("")) {
     Toast tos_connect = Toast.makeText(getBaseContext(),
       "ID를 입력해 주십시오", 10);
     tos_connect.show();
    } else if (editPwd.getText().toString().equals("")) {
     Toast tos_connect = Toast.makeText(getBaseContext(),
       "Password를 입력해 주십시오", 10);
     tos_connect.show();
    }  else if (log_B == "true") {
     Toast tos_connect = Toast.makeText(getBaseContext(),
       "Main창으로 이동 합니다", 10);
     tos_connect.show();
     Intent intent = new Intent(StudentService.this, Main.class);
     startActivity(intent);
    } else {
     Toast tos_connect = Toast.makeText(getBaseContext(),
       "잘못입력하셨습니다", 10);
    }
   }
  });


계속 초기값인 "false"만 불러 오네요...

뭐가 잘못된건지..

고수분들 지적 바랍니다....