public static void KeyboardWillShow(this NSNotification notification, ref bool keyboardIsShown, UIScrollView containerView)
{
if (keyboardIsShown)
{
return;
}
var keyboardFrame = UIKeyboard.FrameEndFromNotification(notification);
Action animation = () => {
containerView.SetContentOffset(new CGPoint(containerView.ContentOffset.X, containerView.ContentOffset.Y + keyboardFrame.Height - 30), true);
};
UIScrollView.Animate(200d, 0d, UIViewAnimationOptions.CurveLinear, animation, null);
keyboardIsShown = true;
}
