java How to send a multiple images over socket

Server Side that sending an images - computer capture screen
import java.awt.AWTException;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.*;
import javax.imageio.ImageIO;
import javax.swing.*;

public class Server  {	
////////////Variables
   private static ObjectOutputStream output;
   //private static DataInputStream input;
   private ServerSocket server;
   private static Socket connection;
   private BufferedImage capture;
   private Rectangle screenRectangle;
   private Robot robot;
   public static boolean isSetUp = false; /*this parameter principle about be sure that setUp streams is being if the streams not setup that'll make problem with close it so we have to check if it setup !*/

/////////////////////////////Methods
   //Constructor
   public Server()
   {
      try{
         server = new ServerSocket(8080,1);
         startRunning();
      } catch(IOException e){e.printStackTrace();}

      //setUp and run the server
      public void startRunning(){
         screenRectangle = new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
         while(true){
            try{
               connection = server.accept();//wait for connection, then display connection information
               ComputerRemote.frame.setState(JFrame.ICONIFIED);//hiding JFrame
               ComputerRemote.frame.setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("online.png")));//change icon application to online
               //setUp stream to send and receive data
               output = new ObjectOutputStream(connection.getOutputStream());
               //input = new DataInputStream(connection.getInputStream());
               robot = new Robot();
               isSetUp = true;
               whileConnecting();//during the connecting
               //startRunning();//return to listen clients
         }catch(EOFException e){
            e.printStackTrace();
         }catch(IOException e){
            e.printStackTrace();
         } catch (AWTException e) {
               e.printStackTrace();
         }finally{closeConnection();}//close stream and sockets after done connecting
      }
   }

   //during the connecting
   private void whileConnecting() throws IOException, AWTException {  
      while(connection.isConnected()){
      capture = robot.createScreenCapture(screenRectangle);
      ImageIO.write(capture, "png", connection.getOutputStream());
      output.flush();
      }
   }	

   //close stream and sockets after done connecting
   public static void closeConnection(){
      try{
         if(isSetUp){
            output.close();
            //input.close();
            connection.close();
         }
      }
      catch(IOException e){
         e.printStackTrace();
      }
   }
}

import android.app.Activity;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.net.Socket;

public class ScreenCapture extends Activity{
   private  Socket connection;
   private  ImageView screenCapture;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_screen_capture);
      screenCapture = (ImageView) findViewById(R.id.screenCapture);
      try {
         connection = new Socket(getIntent().getStringExtra("ip"), 8080);
         while(connection.isConnected())screenCapture.setImageBitmap(BitmapFactory.decodeStream(connection.getInputStream()));
      } catch (IOException e) {
         Toast.makeText(getApplicationContext(), "Error with input picture", Toast.LENGTH_LONG).show();
      }finally {
         try {
            connection.close();
         } catch (IOException e) {
            Toast.makeText(getApplicationContext(), "Error with closing connection", Toast.LENGTH_LONG).show();
         }
      }
   }
}