ImageView ivPct;
Bitmap bitmap;
Paint p;
Canvas canvas;

ivPct= (ImageView) findViewById(R.id.iv_pct);

bitmap = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
canvas = new Canvas(bitmap);
p = new Paint(Paint.ANTI_ALIAS_FLAG);

int[] clr = new int[] {Color.RED, Color.YELLOW, Color.GREEN, Color.BLUE, Color.MAGENTA};
    for (int i = 0; i < clr.length; i++) {
        p.setColor(clr[i]);
        canvas.drawCircle(100, 100, 50, p);
        ivL.setImageBitmap(bitmap);
        .......
    }

Runnable runnable = new Runnable() {
                                    public void run() {

                                            try {
                                                Thread.sleep(1000);
                                            } catch (InterruptedException e) {

                                            }

                                            h.sendEmptyMessage(qq);

                                    }
                                };
                                Thread thread = new Thread(runnable);
                                thread.start();

final Handler h = new Handler(new Handler.Callback() {
        @Override
        public boolean handleMessage(Message msg) {
            switch (msg.what) {
                case 1:
                    //Перерисовка Bitmap
         }
            return true;
        }
    });