public RoundRects (Context context)
: base (context)
{
mRect = new Rect (0, 0, 120, 120);
int[] colors = {
unchecked((int)0xFFFF0000), unchecked((int)0xFF00FF00), unchecked((int)0xFF0000FF)
};
mDrawable = new GradientDrawable (GradientDrawable.Orientation.TL_BR, colors);
mDrawable.setShape (GradientDrawable.RECTANGLE);
mDrawable.setGradientRadius ((float)(Math.Sqrt (2) * 60));
}