Bubbles

//https://vk.com/evgenykravchenko0

                ___                                        ___                   ___
               /  /\                  ___                 /  /\                 /  /\
              /  /:/_                /__/\               /  /:/_               /  /:/_
             /  /:/ /\               \  \:\             /  /:/ /\             /  /:/ /\
            /  /:/ /:/_               \  \:\           /  /:/_/::\           /  /:/ /:/_
           /__/:/ /:/ /\          ___  \__\:\         /__/:/__\/\:\         /__/:/ /:/ /\
           \  \:\/:/ /:/         /__/\ |  |:|         \  \:\ /~~/:/         \  \:\/:/ /:/
            \  \::/ /:/          \  \:\|  |:|          \  \:\  /:/           \  \::/ /:/
             \  \:\/:/            \  \:\__|:|           \  \:\/:/             \  \:\/:/
              \  \::/              \__\::::/             \  \::/               \  \::/
               \__\/                   ~~~~               \__\/                 \__\/
                            ___
                           /__/\                ___                 ___
                           \  \:\              /  /\               /  /\
                            \  \:\            /  /:/              /  /:/
                        _____\__\:\          /__/::\             /__/::\
                       /__/::::::::\         \__\/\:\__          \__\/\:\__
                       \  \:\~~\~~\/            \  \:\/\            \  \:\/\
                        \  \:\  ~~~              \__\::/             \__\::/
                         \  \:\                  /__/:/              /__/:/
                          \  \:\                 \__\/               \__\/
                           \__\/

package com.example.graphicbubble;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ImageView;
import android.view.View;

import java.util.ArrayList;
import java.util.Random;

public class BubbleView extends ImageView implements View.OnTouchListener {
    private Random rand = new Random();
    private ArrayList<Bubble> bubbleList;
    private int size  = 50;
    private int delay = 33;
    private Paint paint = new Paint();
    private Handler handler = new Handler();

    public BubbleView(Context context, AttributeSet attributeSet) {
        super(context, attributeSet);
        bubbleList = new ArrayList<Bubble>();
        //testBubbles();
        setOnTouchListener(this);
    }
    private Runnable runnable = new Runnable() {
        @Override
        public void run() {
            invalidate();
        }
    };
    protected void onDraw (Canvas canvas) {
        for (Bubble b: bubbleList) {
            b.draw(canvas);
        }
        handler.postDelayed(runnable, delay);
    }
    @Override
    public boolean onTouch(View v, MotionEvent motionEvent) {
        for (int i = 0; i < motionEvent.getPointerCount(); i++) {
            int x = (int) motionEvent.getX();
            int y = (int) motionEvent.getY();
            int s = 2 * size;
            bubbleList.add(new Bubble(x, y, s));
        }
        return true;
    }


    private class Bubble {
        private int x;
        private int y;
        private int size;
        private int color;
        public Bubble (int newX, int newY, int newSize) {
            x    = newX;
            y    = newY;
            size = newSize;
            color = Color.argb(rand.nextInt(256),
                    rand.nextInt(256),
                    rand.nextInt(256),
                    rand.nextInt(256));
        }
         public  void draw(Canvas canvas) {
            paint.setColor(color);
            canvas.drawOval(x - size / 2, y - size / 2,
                    x + size / 2, y + size / 2, paint);
        }
    }

}