Java tutorial
//package com.java2s; //License from project: Open Source License import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Path; import android.graphics.Rect; public class Main { public static Bitmap getRoundedShape(Bitmap scaleBitmapImage, int width) { // TODO Auto-generated method stub int targetWidth = width; int targetHeight = width; Bitmap targetBitmap = Bitmap.createBitmap(targetWidth, targetHeight, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(targetBitmap); Path path = new Path(); path.addCircle(((float) targetWidth - 1) / 2, ((float) targetHeight - 1) / 2, (Math.min(((float) targetWidth), ((float) targetHeight)) / 2), Path.Direction.CCW); canvas.clipPath(path); Bitmap sourceBitmap = scaleBitmapImage; canvas.drawBitmap(sourceBitmap, new Rect(0, 0, sourceBitmap.getWidth(), sourceBitmap.getHeight()), new Rect(0, 0, targetWidth, targetHeight), null); return targetBitmap; } }