public static void MapBarBackground(NavigationPageHandler handler, NavigationPage view)
{
var NavPage = handler.VirtualViewWithValidation();
var barBackgroundBrush = NavPage.BarBackground;
if (Brush.IsNullOrEmpty(barBackgroundBrush) &&
NavPage.BarBackgroundColor != null)
{
barBackgroundBrush = new SolidColorBrush(NavPage.BarBackgroundColor);
}
if (barBackgroundBrush == null)
{
return;
}
var navController = handler._controlsNavigationController;
var NavigationBar = navController.NavigationBar;
if (NativeVersion.IsAtLeast(13))
{
var navigationBarAppearance = NavigationBar.StandardAppearance;
navigationBarAppearance.ConfigureWithOpaqueBackground();
//if (barBackgroundColor == null)
//{
// navigationBarAppearance.BackgroundColor = ColorExtensions.BackgroundColor;
// var parentingViewController = GetParentingViewController();
// parentingViewController?.SetupDefaultNavigationBarAppearance();
//}
//else
// navigationBarAppearance.BackgroundColor = barBackgroundColor.ToUIColor();
var backgroundImage = NavigationBar.GetBackgroundImage(barBackgroundBrush);
navigationBarAppearance.BackgroundImage = backgroundImage;
NavigationBar.CompactAppearance = navigationBarAppearance;
NavigationBar.StandardAppearance = navigationBarAppearance;
NavigationBar.ScrollEdgeAppearance = navigationBarAppearance;
}
else
{
var backgroundImage = NavigationBar.GetBackgroundImage(barBackgroundBrush);
NavigationBar.SetBackgroundImage(backgroundImage, UIBarMetrics.Default);
}
}
public static void MapTitleView(NavigationPageHandler handler, NavigationPage view)
{
}
public static void MapBarBackground(NavigationPageHandler handler, NavigationPage view)
{
}
public static void MapBarTextColor(NavigationPageHandler handler, NavigationPage view)
{
}
public static void MapPadding(NavigationPageHandler handler, NavigationPage view)
{
}
private static void UpdateToolBar(NavigationPageHandler arg1, NavigationPage arg2)
{
arg1._controlsNavigationManager.ToolbarPropertyChanged();
}
public static void MapToolbarDynamicOverflowEnabled(NavigationPageHandler handler, NavigationPage view) => handler.UpdateToolbarDynamicOverflowEnabled();
public static void MapToolbarPlacement(NavigationPageHandler handler, NavigationPage view) => handler.UpdateToolbarPlacement();
public static void MapTitleView(NavigationPageHandler handler, NavigationPage view) => handler.UpdateTitleView();
public static void MapBarBackground(NavigationPageHandler handler, NavigationPage view) => handler.UpdateNavigationBarBackground();
public static void MapBarTextColor(NavigationPageHandler handler, NavigationPage view) => handler.UpdateTitleColor();
public static void MapPadding(NavigationPageHandler handler, NavigationPage view) => handler.UpdatePadding();
public static void MapBarTextColor(NavigationPageHandler handler, NavigationPage view)
{
var NavPage = handler.VirtualViewWithValidation();
var navController = handler._controlsNavigationController;
var NavigationBar = navController.NavigationBar;
var barTextColor = NavPage.BarTextColor;
if (NavigationBar == null)
{
return;
}
// Determine new title text attributes via global static data
var globalTitleTextAttributes = UINavigationBar.Appearance.TitleTextAttributes;
var titleTextAttributes = new UIStringAttributes
{
ForegroundColor = barTextColor == null ? globalTitleTextAttributes?.ForegroundColor : barTextColor.ToNative(),
Font = globalTitleTextAttributes?.Font
};
// Determine new large title text attributes via global static data
var largeTitleTextAttributes = titleTextAttributes;
if (NativeVersion.IsAtLeast(11))
{
var globalLargeTitleTextAttributes = UINavigationBar.Appearance.LargeTitleTextAttributes;
largeTitleTextAttributes = new UIStringAttributes
{
ForegroundColor = barTextColor == null ? globalLargeTitleTextAttributes?.ForegroundColor : barTextColor.ToNative(),
Font = globalLargeTitleTextAttributes?.Font
};
}
if (NativeVersion.IsAtLeast(13))
{
if (NavigationBar.CompactAppearance != null)
{
NavigationBar.CompactAppearance.TitleTextAttributes = titleTextAttributes;
NavigationBar.CompactAppearance.LargeTitleTextAttributes = largeTitleTextAttributes;
}
NavigationBar.StandardAppearance.TitleTextAttributes = titleTextAttributes;
NavigationBar.StandardAppearance.LargeTitleTextAttributes = largeTitleTextAttributes;
if (NavigationBar.ScrollEdgeAppearance != null)
{
NavigationBar.ScrollEdgeAppearance.TitleTextAttributes = titleTextAttributes;
NavigationBar.ScrollEdgeAppearance.LargeTitleTextAttributes = largeTitleTextAttributes;
}
}
else
{
NavigationBar.TitleTextAttributes = titleTextAttributes;
if (NativeVersion.IsAtLeast(11))
{
NavigationBar.LargeTitleTextAttributes = largeTitleTextAttributes;
}
}
//// set Tint color (i. e. Back Button arrow and Text)
//var iconColor = Current != null ? NavigationPage.GetIconColor(Current) : null;
//if (iconColor == null)
// iconColor = barTextColor;
//NavigationBar.TintColor = iconColor == null || NavPage.OnThisPlatform().GetStatusBarTextColorMode() == StatusBarTextColorMode.DoNotAdjust
// ? UINavigationBar.Appearance.TintColor
// : iconColor.ToUIColor();
}
