public static void UpdateTitleIcon(this AToolbar nativeToolbar, Toolbar toolbar)
{
_ = nativeToolbar.Context ?? throw new ArgumentNullException(nameof(nativeToolbar.Context));
_ = toolbar?.Handler?.MauiContext ?? throw new ArgumentNullException(nameof(toolbar.Handler.MauiContext));
ImageSource source = toolbar.TitleIcon;
if (source == null || source.IsEmpty)
{
if (nativeToolbar.GetChildAt(0) is ToolbarTitleIconImageView existingImageView)
{
nativeToolbar.RemoveView(existingImageView);
}
return;
}
var iconView = new ToolbarTitleIconImageView(nativeToolbar.Context);
nativeToolbar.AddView(iconView, 0);
iconView.SetImageResource(global::Android.Resource.Color.Transparent);
source.LoadImage(toolbar.Handler.MauiContext, (result) =>
{
iconView.SetImageDrawable(result?.Value);
AutomationPropertiesProvider.AccessibilitySettingsChanged(iconView, source);
});
}
void UpdateTitleIcon()
{
Page currentPage = CurrentPage;
if (currentPage == null)
{
return;
}
ImageSource source = NavigationPage.GetTitleIconImageSource(currentPage);
if (source == null || source.IsEmpty)
{
Toolbar.RemoveView(_titleIconView);
_titleIconView?.Dispose();
_titleIconView = null;
_imageSource = null;
return;
}
if (_titleIconView == null)
{
_titleIconView = new Android.Widget.ImageView(NavigationLayout.Context);
Toolbar.AddView(_titleIconView, 0);
}
if (_imageSource != source)
{
_imageSource = source;
_titleIconView.SetImageResource(global::Android.Resource.Color.Transparent);
ImageSourceLoader.LoadImage(source, MauiContext, (result) =>
{
_titleIconView.SetImageDrawable(result.Value);
AutomationPropertiesProvider.AccessibilitySettingsChanged(_titleIconView, source);
});
}
}
void OnTabLayoutChange(object sender, AView.LayoutChangeEventArgs e)
{
if (_disposed)
{
return;
}
var items = SectionController.GetItems();
for (int i = 0; i < _tablayout.TabCount; i++)
{
if (items.Count <= i)
{
break;
}
var tab = _tablayout.GetTabAt(i);
if (tab.View != null)
{
AutomationPropertiesProvider.AccessibilitySettingsChanged(tab.View, items[i]);
}
}
}