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using System;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 39908, " Back button hit quickly results in jumbled pages")]
public class Bugzilla39908 : TestContentPage // or TestMasterDetailPage, etc ...
{
protected override void Init()
{
var label = "Root Page";
Title = label;
Content = new StackLayout
{
VerticalOptions = LayoutOptions.Center,
Children = {
new Label {
HorizontalTextAlignment = TextAlignment.Center,
Text = label
},
NewButton ()
}
};
}
private Button NewButton()
{
var newPageButton = new Button();
newPageButton.Text = "Another one";
newPageButton.Clicked += OnNewPage;
return newPageButton;
}
private ContentPage NewPage()
{
var label = Navigation != null ? "Page " + (Navigation.NavigationStack.Count - 1) : "Root Page";
return new ContentPage
{
Title = label,
Content = new StackLayout
{
VerticalOptions = LayoutOptions.Center,
Children = {
new Label {
HorizontalTextAlignment = TextAlignment.Center,
Text = label
},
NewButton ()
}
}
};
}
private async void OnNewPage(object sender, EventArgs e)
{
await Navigation.PushAsync(NewPage());
}
}
}
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