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using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
using System;
using System.Runtime.CompilerServices;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 43663, "ModalPushed and ModalPopped not working on WinRT", PlatformAffected.WinRT)]
public class Bugzilla43663 : TestNavigationPage
{
protected override void Init()
{
Application.Current.ModalPushed += ModalPushed;
Application.Current.ModalPopped += ModalPopped;
var initialPage = new ContentPage();
var insertedPage = new ContentPage
{
Content = new StackLayout
{
Children =
{
new Label { Text = "This page's appearing unsubscribes from the ModalPushed/ModalPopped events" },
new Button
{
Text = "Go back",
Command = new Command(async () => await Navigation.PopModalAsync())
}
}
}
};
insertedPage.Appearing += (s, e) =>
{
Application.Current.ModalPushed -= ModalPushed;
Application.Current.ModalPopped -= ModalPopped;
};
var modalPage = new ContentPage();
modalPage.Content = new StackLayout
{
Children =
{
new Label { Text = "Modal" },
new Button
{
Text = "Click to dismiss modal",
Command = new Command(async() =>
{
await Navigation.PopModalAsync();
})
}
},
};
initialPage.Content = new StackLayout
{
VerticalOptions = LayoutOptions.Center,
Children =
{
new Button
{
Text = "Click to push Modal",
Command = new Command(async () => await Navigation.PushModalAsync(modalPage))
},
new Button
{
Text = "Go back",
Command = new Command(async () => await Navigation.PopAsync())
}
}
};
PushAsync(initialPage);
Navigation.InsertPageBefore(insertedPage, initialPage);
}
void ModalPushed(object sender, ModalPushedEventArgs e)
{
DisplayAlert("Pushed", "Message", "Cancel");
}
void ModalPopped(object sender, ModalPoppedEventArgs e)
{
DisplayAlert("Popped", "Message", "Cancel");
}
}
}
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