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using System;
using System.Collections.Generic;
using System.Text;
using Xamarin.Forms.CustomAttributes;
namespace Xamarin.Forms.Controls.Issues
{
[Issue (IssueTracker.Bugzilla, 33714, "[WP] Navigating Back Within MasterDetailPage.Detail Causes Crash", NavigationBehavior.PushModalAsync)]
public class Bugzilla33714 : MasterDetailPage
{
public Bugzilla33714 ()
{
Master = new MasterPage (this);
Detail = new NavigationPage (new ContentPage
{
Title = "Home",
Content = new StackLayout
{
Children = {
new Label { Text = "This is the home detail page"}
}
}
});
}
public class MoreDetail : ContentPage
{
public MoreDetail ()
{
Content = new StackLayout {
Children = {
new Label { Text = "More details" },
new Button { Text = "Go to more detail page", Command = new Command(async () => await Navigation.PushAsync(new MoreDetail()))},
new Button { Text = "Go back", Command = new Command(async () => await Navigation.PopAsync())}
}
};
}
}
public class DetailPage : ContentPage
{
public DetailPage ()
{
Title = "Detail";
Content = new StackLayout {
Children = {
new Label { Text = "This is a Detail ContentPage" },
new Button { Text = "Go to more detail page", Command = new Command(async () => await Navigation.PushAsync(new MoreDetail()))}
}
};
}
}
public class MasterPage : ContentPage
{
readonly MasterDetailPage _masterPage;
List<string> _items;
public MasterPage (MasterDetailPage masterPage)
{
_masterPage = masterPage;
Title = "Menu";
for (int i = 0; i < 5; i++ )
{
if (i == 0) _items = new List<string>();
_items.Add("Menu Items");
}
var list = new ListView { ItemsSource = _items, RowHeight = 100, HasUnevenRows = true };
list.ItemSelected += list_ItemSelected;
Content = list;
}
void list_ItemSelected(object sender, SelectedItemChangedEventArgs e)
{
var listView = (ListView) sender;
_masterPage.Detail = new NavigationPage(new DetailPage());
}
}
}
}
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