public void SetOSSpecificLookAndFeel()
{
if (IsiOS7ForLookAndFeel) {
HudBackgroundColour = UIColor.White.ColorWithAlpha (0.8f);
HudForegroundColor = UIColor.FromWhiteAlpha (0.0f, 0.8f);
HudStatusShadowColor = UIColor.FromWhiteAlpha (200f / 255f, 0.8f);
_ringThickness = 1f;
} else {
HudBackgroundColour = UIColor.FromWhiteAlpha (0.0f, 0.8f);
HudForegroundColor = UIColor.White;
HudStatusShadowColor = UIColor.Black;
_ringThickness = 6f;
}
}