OnDownUsage.java

package com.cooltechworks.ondownsample;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

import com.cooltechworks.bitmapmerger.tasks.BitmapMergerTask;


public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        findViewById(R.id.hello).setOnTouchListener(new OnDownListener() {

            public long getMaxDownCount() {
                return 5;
            }

            public long getInterEventTimeout() {

                long maxCount = getMaxDownCount();
                long dividedTimeout = 800 / maxCount;

                return (maxCount - getDownCount() + 1 ) * dividedTimeout;
            }

            @Override
            public void onDown(final View v, final long callingCount) {

                paintForHoldCount((int) callingCount);

            }
        });

        final View flier = findViewById(R.id.hello);
        flier.post(new Runnable() {
            @Override
            public void run() {

                flier.setVisibility(View.VISIBLE);

                paintForHoldCount(0);
            }
        });

    }


    public void paintForHoldCount(final int callingCount) {

        final View v = findViewById(R.id.hello);
        final View vp = (View) v.getParent();

        final float percentage = 0.2f;

        final Bitmap bitmap = Bitmap.createBitmap(vp.getWidth(), vp.getHeight(), Bitmap.Config.ARGB_8888);


        Bitmap sendButton = BitmapFactory.decodeResource(getResources(), R.drawable.compass);

        //Bitmap merger task from here : http://www.cooltechworks.com/bitmap/bitmap-over-another-bitmap/
        BitmapMergerTask task = new BitmapMergerTask();
        task.setBaseBitmap(bitmap)
                .setMergeBitmap(sendButton)
                .setScale(percentage * 0.75f )
                .setMergeListener(new BitmapMergerTask.OnMergeListener() {
                    @Override
                    public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) {

                        Bitmap flierBitmap = Bitmap.createBitmap(mergedBitmap, mergedBitmap.getWidth()/4 , mergedBitmap.getHeight() / 4, mergedBitmap.getWidth()/2, mergedBitmap.getHeight()/2);


                        v.setBackgroundDrawable(new BitmapDrawable(flierBitmap));
                        if (callingCount > 0) {

                            Bitmap bitmap2 = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight());

                            Canvas canvas = new Canvas(bitmap2);


                            for (int i = 0; i < callingCount; i++) {

                                int strokeWidth = 10;

                                int circleCount = i + 1;

                                float radius = (percentage * (circleCount * vp.getWidth() / 2)) - strokeWidth;

                                Paint paint = new Paint();
                                paint.setColor(Color.YELLOW);
                                paint.setStrokeWidth(strokeWidth);
                                paint.setStyle(Paint.Style.STROKE);

                                canvas.drawCircle(vp.getWidth() / 2, vp.getHeight() / 2, radius, paint);

                            }

                            vp.setBackgroundDrawable(new BitmapDrawable(bitmap2));

                        } else {
                            vp.setBackgroundResource(android.R.color.transparent);

                        }

                    }
                })
                .merge();

    }
}