Android - ช่วยดู Code การเชื่อมต่อ Android ผ่าน ETT-WiFly หน่อยค่ะ

package com.example.serverclient;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;
import java.net.UnknownHostException;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

 
public class ClientActivity extends Activity {

   private Socket socket;
   private String serverIpAddress = "161.246.56.250"; //IP WiFly
   BufferedReader in = null;
   TextView msg;
   private static final int SERVERPORT = 2000; //PORT WiFly
   
   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_client);
      

      try {
       
         socket = new Socket(serverIpAddress, SERVERPORT);
          	      
         BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
         String line;
         while ((line = in.readLine()) != null) {
        	 System.out.println(line);
         }
         in.close();
         socket.close();
      }
      catch (UnknownHostException e) {
    	  System.err.println("Don't know about host: wiFly.");
          e.printStackTrace();
  } catch (IOException e) {
	  System.err.println("Couldn't get I/O for " + "the connection to: wiFly.");
          e.printStackTrace();
  }  
  }
}