VectorDrawableToBitMapDescriptor

getBitmapDescriptor.cs

        public static BitmapDescriptor getBitmapDescriptor(int id, Context context)
        {
            if (Build.VERSION.SdkInt >= Build.VERSION_CODES.Lollipop)
            {
                VectorDrawable vectorDrawable = (VectorDrawable)ContextCompat.GetDrawable(context, id);

                int h = vectorDrawable.IntrinsicHeight;
                int w = vectorDrawable.IntrinsicWidth;

                vectorDrawable.Bounds = new Rect(0, 0, w, h);

                Bitmap bm = Bitmap.CreateBitmap(w, h, Bitmap.Config.Argb8888);
                Canvas canvas = new Canvas(bm);
                vectorDrawable.Draw(canvas);

                return BitmapDescriptorFactory.FromBitmap(bm);

            }
            else
            {
                return BitmapDescriptorFactory.FromResource(id);
            }
        }