void UpdateToolbar()
{
if (_disposed)
{
return;
}
Context context = Context;
AToolbar bar = _toolbar;
ActionBarDrawerToggle toggle = _drawerToggle;
if (bar == null)
{
return;
}
bool isNavigated = NavigationPageController.StackDepth > 1;
bar.NavigationIcon = null;
Page currentPage = Element.CurrentPage;
if (isNavigated)
{
if (NavigationPage.GetHasBackButton(currentPage))
{
if (toggle != null)
{
toggle.DrawerIndicatorEnabled = false;
toggle.SyncState();
}
var icon = new DrawerArrowDrawable(context.GetThemedContext());
icon.Progress = 1;
bar.NavigationIcon = icon;
var prevPage = Element.Peek(1);
var backButtonTitle = NavigationPage.GetBackButtonTitle(prevPage);
_defaultNavigationContentDescription = backButtonTitle != null
? bar.SetNavigationContentDescription(prevPage, backButtonTitle)
: bar.SetNavigationContentDescription(prevPage, _defaultNavigationContentDescription);
}
else if (toggle != null && _flyoutPage != null)
{
toggle.DrawerIndicatorEnabled = _flyoutPage.ShouldShowToolbarButton();
toggle.SyncState();
}
}
else
{
if (toggle != null && _flyoutPage != null)
{
toggle.DrawerIndicatorEnabled = _flyoutPage.ShouldShowToolbarButton();
toggle.SyncState();
}
}
Color tintColor = Element.BarBackgroundColor;
if (tintColor == null)
{
bar.BackgroundTintMode = null;
}
else
{
bar.BackgroundTintMode = PorterDuff.Mode.Src;
bar.BackgroundTintList = ColorStateList.ValueOf(tintColor.ToAndroid());
}
Brush barBackground = Element.BarBackground;
bar.UpdateBackground(barBackground);
Color textColor = Element.BarTextColor;
if (textColor != null)
{
bar.SetTitleTextColor(textColor.ToAndroid().ToArgb());
}
Color navIconColor = NavigationPage.GetIconColor(Current);
if (navIconColor != null && bar.NavigationIcon != null)
{
bar.NavigationIcon.SetColorFilter(navIconColor, FilterMode.SrcAtop);
}
bar.Title = currentPage?.Title ?? string.Empty;
if (_toolbar.NavigationIcon != null && textColor != null)
{
var icon = _toolbar.NavigationIcon as DrawerArrowDrawable;
if (icon != null)
{
icon.Color = textColor.ToAndroid().ToArgb();
}
}
UpdateTitleIcon();
UpdateTitleView();
}