public class SoketChat extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        MyView vw = new MyView(this);
        setContentView(vw);
        
        // -- Thread for Connection
        Thread cThread = new Thread(){public void run(){
         try{
          connect(IP,PORT);
         } catch(Exception e){} }
        };
        cThread.start();
    }
     protected class MyView extends View{
     public MyView(Context context){
      super(context);
     }
           public void onDraw(Canvas canvas){
            Paint Pnt = new Paint();
            Pnt.setColor(Color.BLUE);
            canvas.drawColor(Color.WHITE);
            canvas.drawCircle(intxdata,intydata,2,Pnt);
        }
     }
    public void connect(String ip, int port){
     int size;
     byte[] w = new byte[1024];
     txtReceive="";
      try{
      socket = new Socket(ip,port);
      if(socket != null) {
       in = socket.getInputStream();
       out = socket.getOutputStream();
       PrintWriter pw = new PrintWriter( new OutputStreamWriter( out ) );
       pw.println(LOGIN_ID);
       pw.flush() ;
       
       while(socket != null && socket.isConnected()){
        size = in.read(w);
        if(size<=0)continue;
        txtReceive = new String(w,0,size,"UTF-8");
        handler.post(new Runnable(){
         public void run() {
          StringTokenizer codeName = new StringTokenizer(txtReceive, ","); 
          xdata = codeName.nextToken(); 
          ydata = codeName.nextToken(); 
          intxdata = Integer.parseInt(xdata);
          intydata = Integer.parseInt(ydata);
          }
          });
       }
      }
     } catch (Exception ex) {Log.e("socket",ex.toString());}
   }

intxdata와 intydata안에 x,y좌표가 들어가있는데

이걸 ondraw함수를 이용해서 좌표가 바뀔때마다

계속적으로 화면에 동그란점으로 표시하고싶습니다.

ondraw함수를 어떻게 사용해야 연속적으로 표시가 가능한가요?