private void SetupTextFont(UILabel label, Font font, Color?titleColor)
        {
            if (Element is ContentPage cPage)
            {
                var formattedTitle = CustomPage.GetFormattedTitle(cPage);
                if (formattedTitle != null && formattedTitle.Spans.Count > 0)
                {
                    SetupFormattedText(titleLabel, formattedTitle, cPage.Title);
                }

                var formattedSubtitle = CustomPage.GetFormattedSubtitle(cPage);
                var subtitle          = CustomPage.GetSubtitle(cPage);
                if (formattedSubtitle != null && formattedSubtitle.Spans.Count > 0)
                {
                    subtitleLabel.Hidden = false;
                    SetupFormattedText(subtitleLabel, formattedSubtitle, subtitle);
                }
                else if (!string.IsNullOrWhiteSpace(subtitle))
                {
                    subtitleLabel.Hidden = false;
                    SetupText(subtitleLabel, subtitle, ExtendedNavigationPage.GetSubtitleColor(cPage), ExtendedNavigationPage.GetSubtitleFont(Element));

                    subtitleLabel.SetNeedsDisplay();
                }
            }
            else
            {
                SetupText(label, (Element as Page).Title, titleColor, ExtendedNavigationPage.GetTitleFont(Element));
                subtitleLabel.Text   = string.Empty;
                subtitleLabel.Frame  = CGRect.Empty;
                subtitleLabel.Hidden = true;
            }

            label.SizeToFit();
            subtitleLabel.SizeToFit();
            titleView.SizeToFit();
        }