private void ChangeFont(Page page)
{
var currentValue = page.GetValue(TitleViewProperty);
if (currentValue != null)
{
return;
}
var textAlignment = (TextAlignment)page.GetValue(AppBarTitleTextAlignmentProperty);
var fontFamily = (string)page.GetValue(AppBarTitleTextFontFamilyProperty);
var fontSize = (double)page.GetValue(AppBarTitleTextFontSizeProperty);
if (string.IsNullOrEmpty(fontFamily))
{
fontFamily = Material.FontFamily.H6;
}
_customTitleView = new TitleLabel();
if (Device.RuntimePlatform == Device.iOS)
{
if (this.Navigation.NavigationStack.Count == 1)
{
_customTitleView.Margin = new Thickness(8, 0, 8, 0);
}
else
{
_customTitleView.Margin = new Thickness(8, 0, 32, 0);
}
}
if (Device.RuntimePlatform == Device.Android && this.Navigation.NavigationStack.Count > 1 && page.ToolbarItems.Count == 0)
{
_customTitleView.Margin = new Thickness(0, 0, 72, 0);
}
page.SetValue(TitleViewProperty, _customTitleView);
_customTitleView.VerticalTextAlignment = TextAlignment.Center;
_customTitleView.VerticalOptions = LayoutOptions.FillAndExpand;
_customTitleView.HorizontalOptions = LayoutOptions.FillAndExpand;
_customTitleView.HorizontalTextAlignment = textAlignment;
_customTitleView.SetDynamicResource(StyleProperty, "Material.TypeScale.H6");
_customTitleView.FontFamily = fontFamily;
_customTitleView.FontSize = fontSize;
_customTitleView.Text = page.Title;
}