void UpdateTitleIcon() { Page currentPage = Element.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 ImageView(Context); _toolbar.AddView(_titleIconView, 0); } if (_imageSource != source) { _imageSource = source; _titleIconView.SetImageResource(global::Android.Resource.Color.Transparent); _ = this.ApplyDrawableAsync(currentPage, NavigationPage.TitleIconImageSourceProperty, Context, drawable => { _titleIconView.SetImageDrawable(drawable); 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]); } } }