private void AddTabBadge(int tabIndex)
{
var element = Element.Children[tabIndex];
if (element is NavigationPage navigationPage)
{
//if the child page is a navigation page get its root page
element = navigationPage.RootPage;
}
var placement = Element.OnThisPlatform().GetToolbarPlacement();
var targetView = placement == ToolbarPlacement.Bottom ? _bottomTabStrip?.GetChildAt(tabIndex) : _topTabLayout?.GetTabAt(tabIndex).CustomView ?? _topTabStrip?.GetChildAt(tabIndex);
if (!(targetView is ViewGroup target))
{
Console.WriteLine("Plugin.Badge: Badge target cannot be null. Badge not added.");
return;
}
var badgeView = target.FindChildOfType <BadgeView>();
if (badgeView == null)
{
if (placement == ToolbarPlacement.Bottom)
{
// create for entire tab layout
badgeView = BadgeView.ForLayout(Context, target);
}
else
{
var imageView = target.FindChildOfType <ImageView>();
//create badge for tab image or text
badgeView = BadgeView.ForView(Context, imageView?.Drawable != null
? (Android.Views.View)imageView
: target.FindChildOfType <TextView>());
}
}
BadgeViews[element] = badgeView;
badgeView.UpdateFromElement(element);
element.PropertyChanged -= OnTabbedPagePropertyChanged;
element.PropertyChanged += OnTabbedPagePropertyChanged;
}
