안드로이드와 mysql을 연동하고 있는 중인데 자꾸 if문이 안먹히네요

jsp 파일 첨부했습니다. ( 아이피는 비공개로 표기하기위해 localhost라 표시했습니다)

-----------------------------java부분 소스 -------------------------------------------

package com.myandoid.medi;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;

public class loginActivity extends Activity {

 private URLConnection connection;
 private HttpURLConnection httpConnection;
 private DataOutputStream out = null;
 private EditText ID;
 private EditText PASS;
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.login);
     // TODO Auto-generated method stub
    
        Button ok = (Button) findViewById(R.id.ok);
        Button cancel = (Button) findViewById(R.id.cancel);
        ID = (EditText) findViewById( R.id.IDentry );
        PASS = (EditText) findViewById( R.id.PASSentry );
        //ID.setInputType(0);
        //PASS.setInputType(0);
        ok.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
             if(sending("client_id=" + ID.getText().toString() + "&passwd=" + PASS.getText().toString()).equals("t")) 

                   =======>>  이부분이 안먹히네요 그래서 강제로 If문안에 1의 값을 넣어주면 나머진 다 잘돌아갑니다... 아마 비교부분에서 값이 1의 값이 안나오는 거 같습니다... 수정 부탁드립니다. ㅠㅠ
             {
              Intent intent = new Intent(getApplicationContext(),mainActivity.class);
              intent.putExtra("clientID", ID.getText().toString());
              startActivity(intent);
             }
             else
             {
              AlertDialog.Builder b = new AlertDialog.Builder(loginActivity.this);
              b.setTitle("Error");
              b.setMessage("ID/PW를 확인해주세요");
              b.setNeutralButton("OK", new DialogInterface.OnClickListener() {
      
      public void onClick(DialogInterface dialog, int which) {
       // TODO Auto-generated method stub
       ID.setText("");
       PASS.setText("");
      }
              });
              b.show();
             }
            }
        });
       
        cancel.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                System.exit(0);
            }
        });
 }
    
    String sending( String query )
    {
     String xmlRt = null;
     try {
      connection = new URL("http://localhost:9090/login.jsp).openConnection();
      httpConnection = (HttpURLConnection)connection;
      connection.setDoOutput(true);
      connection.setDoInput(true);
      connection.setUseCaches(true);
      httpConnection.setFollowRedirects(true);
      httpConnection.setRequestMethod("POST");
      
      out = new DataOutputStream(connection.getOutputStream());
   out.writeBytes(query);
      out.flush();
      out.close();
      connection.connect();
      int responseCode = httpConnection.getResponseCode();
      
      if (responseCode == HttpURLConnection.HTTP_OK)
      {
       InputStream in = httpConnection.getInputStream();
       byte buffer[] = new byte[1024];
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       
       while (in.read(buffer, 0, 1024) != -1)
       {
        baos.write(buffer);
       }
       xmlRt = new String(baos.toByteArray(), "EUC-KR");
         }
  } catch (IOException e) {
   // TODO Auto-generated catch block
   xmlRt = e.toString();
  }
  return xmlRt.trim();
  }
}