Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuff; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; public class Main { public static Bitmap getRoundedCornerBitmap(Bitmap srcBitmap, float radius) { Bitmap resultBitmap = Bitmap.createBitmap(srcBitmap.getWidth(), srcBitmap.getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(resultBitmap); Paint paint = new Paint(); Rect rect = new Rect(0, 0, srcBitmap.getWidth(), srcBitmap.getHeight()); RectF rectF = new RectF(rect); paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); paint.setColor(0xBDBDBE); canvas.drawRoundRect(rectF, radius, radius, paint); paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); canvas.drawBitmap(srcBitmap, rect, rect, paint); return resultBitmap; } }