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using System;
using Xamarin.Forms.CustomAttributes;
using System.Collections.Generic;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls
{
[Preserve (AllMembers = true)]
[Issue (IssueTracker.Bugzilla, 30835, "Navigating to and from the Carousel page with MasterDetail page creates an Out of memory exception")]
public class Bugzilla30835 : TestMasterDetailPage // or TestMasterDetailPage, etc ...
{
protected override void Init ()
{
var menuPage = new MenuPage ();
menuPage.Menu.ItemSelected += (sender, e) => NavigateTo (e.SelectedItem as MenuItem);
Master = menuPage;
Detail = new NavigationPage (new HolderCarouselPages ());
}
void NavigateTo (MenuItem menu)
{
var displayPage = (Page)Activator.CreateInstance (menu.TargetType);
Detail = new NavigationPage (displayPage);
IsPresented = false;
}
[Preserve (AllMembers = true)]
public class HolderCarouselPages : CarouselPage
{
public HolderCarouselPages ()
{
Device.BeginInvokeOnMainThread (() => {
ItemsSource = new HolderImage[] {
new HolderImage ("frog", "photo.jpg"),
new HolderImage ("history", "photo.jpg"),
new HolderImage ("Test", "photo.jpg"),
};
});
ItemTemplate = new DataTemplate (() => new DisplayContentPage ());
}
}
[Preserve (AllMembers = true)]
public class HolderImage
{
public HolderImage (string name, string images)
{
Name = name;
Homeimages = images;
}
public string Name { private set; get; }
public string Homeimages { private set; get; }
public override string ToString ()
{
return Name;
}
}
[Preserve (AllMembers = true)]
public class DisplayContentPage : ContentPage
{
public DisplayContentPage ()
{
var imageView = new Image {
HorizontalOptions = LayoutOptions.Center,
};
Content = new StackLayout {
Children = {
new StackLayout {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.StartAndExpand,
Children = {
imageView
}
},
}
};
imageView.SetBinding (Image.SourceProperty, "Homeimages");
}
}
[Preserve (AllMembers = true)]
public class MenuPage : ContentPage
{
public ListView Menu { get; set; }
public MenuPage ()
{
Icon = "bank.png";
Title = "Carsousel Memory Bug";
BackgroundColor = Color.FromHex ("#000000");
Menu = new MenuListView ();
var menuLabel = new ContentView {
Padding = new Thickness (10, 36, 0, 5),
Content = new Label {
TextColor = Color.FromHex ("#FFFFFF"),
Text = "Carsousel Memory Bug",
}
};
var layout = new StackLayout {
Spacing = 0,
VerticalOptions = LayoutOptions.FillAndExpand,
};
layout.Children.Add (menuLabel);
layout.Children.Add (Menu);
Content = layout;
}
}
[Preserve (AllMembers = true)]
public class MenuListView : ListView
{
public MenuListView ()
{
List<MenuItem> data = new MenuListData ();
ItemsSource = data;
VerticalOptions = LayoutOptions.FillAndExpand;
BackgroundColor = Color.Black;
var cell = new DataTemplate (typeof(ImageCell));
cell.SetBinding (TextCell.TextColorProperty, "TextColor");
cell.SetBinding (TextCell.TextProperty, "Title");
cell.SetBinding (ImageCell.ImageSourceProperty, "IconSource");
ItemTemplate = cell;
SelectedItem = data [0];
}
}
[Preserve (AllMembers = true)]
public class MenuListData : List<MenuItem>
{
public MenuListData ()
{
Add (new MenuItem () {
Title = "Carousel",
IconSource = "icon.png",
TargetType = typeof(HolderCarouselPages),
TextColor = Color.White
});
Add (new MenuItem () {
Title = "Pic 1",
IconSource = "icon.png",
TargetType = typeof(Pic1),
TextColor = Color.White
});
Add (new MenuItem () {
Title = "Pic 2",
IconSource = "icon.png",
TargetType = typeof(Pic1),
TextColor = Color.White
});
Add (new MenuItem () {
Title = "Pic 3",
IconSource = "icon.png",
TargetType = typeof(Pic1),
TextColor = Color.White
});
}
}
[Preserve (AllMembers = true)]
public class MenuItem
{
public string Title { get; set; }
public string IconSource { get; set; }
public Type TargetType { get; set; }
public Color TextColor { get ; set; }
}
[Preserve (AllMembers = true)]
public class Pic1 : ContentPage
{
public Pic1 ()
{
Content = new StackLayout {
Children = {
new Image { Source = "photo.jpg" }
}
};
}
}
}
}
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