private static UIView CreateAccessoryViewWithCloseButton(Action <object, EventArgs> onClose)
{
var accessoryView = new UIView {
Frame = new CGRect(0, 0, UIScreen.MainScreen.Bounds.Width, 44), BackgroundColor = UIColor.FromRGB(251, 253, 253)
};
var closeButton = new FlatButton();
var closeButtonText = Localize.GetValue("OkButtonText");
closeButton.SetTitle(closeButtonText, UIControlState.Normal);
closeButton.TranslatesAutoresizingMaskIntoConstraints = false;
FlatButtonStyle.Green.ApplyTo(closeButton);
accessoryView.AddSubview(closeButton);
var widthOfText = closeButton.GetSizeThatFits(closeButtonText, closeButton.Font).Width;
var totalTextPaddingInButton = 30f;
closeButton.AddConstraints(new [] {
NSLayoutConstraint.Create(closeButton, NSLayoutAttribute.Height, NSLayoutRelation.Equal, null, NSLayoutAttribute.NoAttribute, 1, 36f),
NSLayoutConstraint.Create(closeButton, NSLayoutAttribute.Width, NSLayoutRelation.Equal, null, NSLayoutAttribute.NoAttribute, 1, widthOfText + totalTextPaddingInButton)
});
accessoryView.AddConstraints(new [] {
NSLayoutConstraint.Create(closeButton, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, accessoryView, NSLayoutAttribute.Trailing, 1, -8f),
NSLayoutConstraint.Create(closeButton, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, accessoryView, NSLayoutAttribute.CenterY, 1, 0),
});
closeButton.TouchUpInside += (sender, e) => onClose(sender, e);
return(accessoryView);
}