--- /dev/null
+using System;
+using System.Collections.Generic;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+
+#if UITEST
+using Xamarin.Forms.Core.UITests;
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+#if UITEST
+ [Category(UITestCategories.ManualReview)]
+#endif
+ [Preserve(AllMembers = true)]
+ [Issue(IssueTracker.Github, 3622, "Android TalkBack reads elements behind modal pages", PlatformAffected.Android, NavigationBehavior.PushModalAsync)]
+ public class Issue3622 : TestContentPage // or TestMasterDetailPage, etc ...
+ {
+ [Preserve(AllMembers = true)]
+ public class Contact
+ {
+ public string Name { get; set; }
+
+ public int Age { get; set; }
+
+ public string Occupation { get; set; }
+
+ public string Country { get; set; }
+
+ public override string ToString()
+ {
+ return Name;
+ }
+ }
+
+ [Preserve(AllMembers = true)]
+ public class DetailPageCS : ContentPage
+ {
+ public DetailPageCS()
+ {
+ var nameLabel = new Label
+ {
+ Style = Device.Styles.TitleStyle
+ };
+ nameLabel.SetBinding(Label.TextProperty, "Name");
+
+ var ageLabel = new Label
+ {
+ Style = Device.Styles.CaptionStyle
+
+ };
+ ageLabel.SetBinding(Label.TextProperty, "Age");
+
+ var occupationLabel = new Label
+ {
+ Style = Device.Styles.BodyStyle
+ };
+ occupationLabel.SetBinding(Label.TextProperty, "Occupation");
+
+ var countryLabel = new Label
+ {
+ FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
+ FontAttributes = FontAttributes.Bold
+ };
+ countryLabel.SetBinding(Label.TextProperty, "Country");
+
+ var dismissButton = new Button { Text = "Dismiss" };
+ dismissButton.Clicked += OnDismissButtonClicked;
+
+ Content = new StackLayout
+ {
+ HorizontalOptions = LayoutOptions.Center,
+ VerticalOptions = LayoutOptions.Center,
+ Children = {
+ new StackLayout {
+ Orientation = StackOrientation.Horizontal,
+ Children = {
+ new Label {
+ Text = "Name:",
+ FontSize = Device.GetNamedSize (NamedSize.Medium, typeof(Label)),
+ HorizontalOptions = LayoutOptions.FillAndExpand
+ },
+ nameLabel
+ }
+ },
+ new StackLayout {
+ Orientation = StackOrientation.Horizontal,
+ Children = {
+ new Label {
+ Text = "Age:",
+ FontSize = Device.GetNamedSize (NamedSize.Medium, typeof(Label)),
+ HorizontalOptions = LayoutOptions.FillAndExpand
+ },
+ ageLabel
+ }
+ },
+ new StackLayout {
+ Orientation = StackOrientation.Horizontal,
+ Children = {
+ new Label {
+ Text = "Occupation:",
+ FontSize = Device.GetNamedSize (NamedSize.Medium, typeof(Label)),
+ HorizontalOptions = LayoutOptions.FillAndExpand
+ },
+ occupationLabel
+ }
+ },
+ new StackLayout {
+ Orientation = StackOrientation.Horizontal,
+ Children = {
+ new Label {
+ Text = "Country:",
+ FontSize = Device.GetNamedSize (NamedSize.Medium, typeof(Label)),
+ HorizontalOptions = LayoutOptions.FillAndExpand
+ },
+ countryLabel
+ }
+ },
+ dismissButton
+ }
+ };
+ }
+
+ async void OnDismissButtonClicked(object sender, EventArgs args)
+ {
+ await Navigation.PopModalAsync();
+ }
+ }
+
+ ListView listView;
+ List<Contact> contacts;
+
+ protected override void Init()
+ {
+ SetupData();
+
+ listView = new ListView
+ {
+ Header = new Label { Text = "Enable TalkBack. Make sure Android reads this list, when you tap an item make sure it reads the details page and not this list" },
+ ItemsSource = contacts
+ };
+ listView.ItemSelected += OnItemSelected;
+
+ Thickness padding;
+ switch (Device.RuntimePlatform)
+ {
+ case Device.iOS:
+ padding = new Thickness(0, 40, 0, 0);
+ break;
+ default:
+ padding = new Thickness();
+ break;
+ }
+
+ Padding = padding;
+ Content = new StackLayout
+ {
+ Children = {
+ listView
+ }
+ };
+ }
+
+ async void OnItemSelected(object sender, SelectedItemChangedEventArgs e)
+ {
+ if (listView.SelectedItem != null)
+ {
+ var detailPage = new DetailPageCS();
+ detailPage.BindingContext = e.SelectedItem as Contact;
+ listView.SelectedItem = null;
+ await Navigation.PushModalAsync(detailPage);
+ }
+ }
+
+ void SetupData()
+ {
+ contacts = new List<Contact>();
+ contacts.Add(new Contact
+ {
+ Name = "Jane Doe",
+ Age = 30,
+ Occupation = "Developer",
+ Country = "USA"
+ });
+ contacts.Add(new Contact
+ {
+ Name = "John Doe",
+ Age = 34,
+ Occupation = "Tester",
+ Country = "USA"
+ });
+ contacts.Add(new Contact
+ {
+ Name = "John Smith",
+ Age = 52,
+ Occupation = "PM",
+ Country = "UK"
+ });
+ contacts.Add(new Contact
+ {
+ Name = "Kath Smith",
+ Age = 55,
+ Occupation = "Business Analyst",
+ Country = "UK"
+ });
+ contacts.Add(new Contact
+ {
+ Name = "Steve Smith",
+ Age = 19,
+ Occupation = "Junior Developer",
+ Country = "UK"
+ });
+ }
+ }
+}
\ No newline at end of file
}
}
+ UpdateAccessibilityImportance(CurrentPageController as Page, ImportantForAccessibility.Auto, true);
+
return source.Task;
}
async Task INavigation.PushModalAsync(Page modal, bool animated)
{
CurrentPageController?.SendDisappearing();
+ UpdateAccessibilityImportance(CurrentPageController as Page, ImportantForAccessibility.NoHideDescendants, false);
_navModel.PushModal(modal);
await presentModal;
+ UpdateAccessibilityImportance(modal, ImportantForAccessibility.Auto, true);
+
// Verify that the modal is still on the stack
if (_navModel.CurrentPage == modal)
((IPageController)modal).SendAppearing();
}
}
+ void UpdateAccessibilityImportance(Page page, ImportantForAccessibility importantForAccessibility, bool forceFocus)
+ {
+
+ var pageRenderer = Android.Platform.GetRenderer(page);
+ if (pageRenderer?.View == null)
+ return;
+ pageRenderer.View.ImportantForAccessibility = importantForAccessibility;
+ if (forceFocus)
+ pageRenderer.View.SendAccessibilityEvent(global::Android.Views.Accessibility.EventTypes.ViewFocused);
+
+ }
+
void SetPageInternal(Page newRoot)
{
var layout = false;
#endregion
}
-}
\ No newline at end of file
+}
projects / platform / core / csapi / xsf.git / commitdiff