Android ทำอย่างไรให้ตัวเลขนับถอยหลังสามารถขึ้นแสดงบนจอได้ โดยไม่อิงจากไฟล์ XML

package com.example.firstaid;

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.media.MediaPlayer;
import android.os.CountDownTimer;
import android.util.Log;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.os.Handler;

public class DrawView1 extends View {
Context mContext;

public int[] ball = new int[] 
    		{ R.drawable.ga, R.drawable.dang, R.drawable.laster};

    public int[] goal_position = new int[] { 600, 400 };
    public int goal_radius = 50;
    
    public int[][] ball_default_position = new int[][] 
    { { 100, 280 },{ 160, 160 } , { 200, 370 } }; //อันแรกน้ำเกลือ อันที่สองยางแดง อันที่สาม พลาสเตอ์
    
    public int[][] ball_position = new int[][] 
    { { ball_default_position[0][0], ball_default_position[0][1] }
	, { ball_default_position[1][0], ball_default_position[1][1] }
	, { ball_default_position[2][0], ball_default_position[2][1] } };
    public Bitmap bm[] = new Bitmap[ball.length];
    public boolean[] goal = new boolean[ball.length];
    public int screen_width, screen_height;

    int ball_id = -1;
    int ball_count = 0;
    int score = 0;
    final int CLOSE = 0;

    public DrawView1(Context context, Display display) {
	
        super(context);
        mContext = context;
        this.setBackgroundResource(R.drawable.fa3a);
        screen_width = display.getWidth();
        screen_height = display.getHeight();
        for(int i = 0 ; i < ball.length ; i++) {
        	bm[i] = BitmapFactory.decodeResource(getResources(), ball[i]);
        	goal[i] = false;
        	
        	
        	new CountDownTimer(5000, 1000) 
        	{
        	   public void onTick(long millisUntilFinished) {
        		
        		   Paint a = new Paint();
        		Log.i("Check", "onTick");
        			 mTextField.setText("seconds remaining: " + millisUntilFinished / 1000);// ปกติจะใช้แบบนี้ แต่ทีนี้ไม่สามารถ         ใช้ได้ เพราะมันอิงจาก xml แต่โค้ดที่เขียนไม่อิง xml เลยครับ มีทางไหนบ้างที่ให้มันแสดงตัวเลขนับถอยหลังได้
        	 }

        		public void onFinish() {
        		Log.i("Check", "Finish");

        			Intent intent = new Intent(mContext,gameover.class); 
	       		                      mContext.startActivity(intent); //หมดเวลาทำการ Intent ไปอีกหน้า

        		}
        		}.start();
        		}
        }
    
    
    protected void onDraw(Canvas canvas) {

    	Paint p = new Paint(); //ตำแหน่งของจุดที่ลากของไปโดน
    	p.setColor(Color.alpha(100));
    	p.setAntiAlias(true);
    	
    	canvas.drawCircle(goal_position[0], goal_position[1], goal_radius, p);
    	 
          for(int i = 0 ; i < ball.length ; i++) {
        	if(!goal[i]) {
        		canvas.drawBitmap(bm[i], ball_position[i][0] - (bm[i].getWidth() / 2)
        				, ball_position[i][1] - (bm[i].getHeight() / 2), null);
        	}
        }
    }
    
    public boolean onTouchEvent(MotionEvent event) {
        int eventaction = event.getAction(); 
        int X = (int)event.getX(); 
        int Y = (int)event.getY(); 

        switch (eventaction ) { 

        case MotionEvent.ACTION_DOWN: // touch down so check if the finger is on a ball
        	ball_id = -1;
        	for(int i = 0 ; i < ball.length ; i++) {
        		double radCircle  = Math.sqrt( Math.pow(Math.abs(X - ball_position[i][0]), 2) 
        				+ Math.pow(Math.abs(Y - ball_position[i][1]), 2) );
        		if(radCircle < bm[i].getWidth() / 2 && !goal[i]) {
        			ball_id = i;
        		}
        	}
        
        case MotionEvent.ACTION_MOVE: 
        	if(ball_id != -1 && !goal[ball_id]  ) {
	        	ball_position[ball_id][0] = X;
	        	ball_position[ball_id][1] = Y;
        	}
            break; 

        case MotionEvent.ACTION_UP: 
        	if(ball_id != -1 && !goal[ball_id] ) {
        		double radCircle  = Math.sqrt( Math.pow(Math.abs(ball_position[ball_id][0] - goal_position[0]), 2) 
        				+ Math.pow(Math.abs(ball_position[ball_id][1] - goal_position[1]), 2) );

        		Log.i("Check", String.valueOf(radCircle));
        		Log.i("CalCheck", String.valueOf(Math.abs(goal_radius - (bm[ball_id].getHeight() / 2))));
        		
        		if(radCircle <= Math.abs(goal_radius)) {
        			if(ball_id == ball_count) 
        			{
		        		goal[ball_id] = true;
		        		score++;
		        		ball_count++;	
		        		MediaPlayer play = MediaPlayer.create(getContext(),R.raw.to);//เสียงถูกต้องนะครับ
		        		play.start();
		        		
		        	if(ball_count == ball.length) 
		        		{
		        		  Intent intent = new Intent(mContext,Finish.class); 
		        		  mContext.startActivity(intent);
		        		 // mHandler.obtainMessage(CLOSE).sendToTarget();
		        		 System.exit(0);
		        		
		        		}
		        	
	        		} 
        			else 
        			{
	        			ball_position[ball_id][0] = ball_default_position[ball_id][0];
	        			ball_position[ball_id][1] = ball_default_position[ball_id][1];
	        			
	        			MediaPlayer play = MediaPlayer.create(getContext(), R.raw.pe);//เสียงไม่ถูกต้องนะครับ
		        		play.start();
		        		
	        		}		
        		}
        	}
        	break; 
        } 
        invalidate(); 
        return true; 	
    }
	}

package com.example.firstaid;

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;

public class Main1 extends Activity {
	
	
	MediaPlayer mp;
	protected void onCreate(Bundle savedInstanceState) {
		requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
		super.onCreate(savedInstanceState);


        setContentView(new DrawView1(this
        		, getWindowManager().getDefaultDisplay())); //เรียกไฟล์ Drawview มาแสดงแทน


        mp = MediaPlayer.create(getApplicationContext(), R.raw.music);
        mp.start();
	}
	
	
	}