MacOS (#650)

* [MacOS] Add SwitchRenderer

* [MacOS] Add TimePickerRenderer

* [MacOS] Cleanup TimePcikerRender

* [MacOS] Add WebViewRenderer

* [MacOS] Add Javascript evaluate to webview

* [MacOS] Fix build error on WebViewRenderer

* [MacOS] Add Base and TextCell renderers

* [MacOS] Start on ListViewRenderer

* [MacOS] Cleanup

* [MacOS] Vertical center text on default NSTextField

* [MacOS] Center NSTextField vertically

* [MacOS] Add ImageCellRenderer

* [MacOS] Add SwitchCellRenderer

* [MacOS] Add SwitchCellRenderer

* [iOS] Allow to set background color on other CellRenderers

* [MacOS] Fix selection mode on ListView

* [MacOS] Set background on Entry of entry cell

* [MacOS] Fix casting bug on CellRenderer

* [MacOS] Other fix on CellRenderer background

* [MacOS] Add ViewCellRenderer

* [MacOS] Fixes and cleanup on cells

* [MacOS] Add NSScrollView so NSTableView can scroll

* [MacOS] Add HeaderView to ListView

* [MacOS] Cleanup

* [Controls] Add Header support to ListView

* [MacOS] NSView reuse on NSTableView

* [MacOS] Some fix on layour order

* [MacOS] Add CarouselPageRenderer

* [MacOS] Implement EventTracker on PageRenderer

* [MacOS] Cleanup CarouselPageRenderer

* [MacOS] Add MasterDetailPage renderer

* [MacOS] MDP renderer don't allow drag of splitter

* [MacOS] Add TabbedPage renderer

* [MacOS] Initial sketch of NavigationPageRenderer

* [MacOS] Send disappearing of CurrentPage on Dispose on NavigationPageRenderer

* [MacOS] Add Gallery page for Mac

* [MacOS] Add MacOSExpressionSearch

* [MacOS] Fix ColorExtension

* [MacOS] Fix MDP renderer layout

* [MacOS] Implement native selection on ListViewRenderer

* [MacOS] Deselect a item on NSTableView

* [MacOS] Remove previous SplitViewItems

* [MacOS] Fix navigationpage height

* [MacOS] Add toolbar for NavigationPageRenderer

* [MacOS] Don't remove selection for now (crashing)

* [MacOS] Refactor page and back button title on NavigationPageRenderer

* [MacOS] Fix bug when native navigate back

* [MacOS] Hide layer when transition

* [MacOS] ListviewRenderer fix BbackgroundColor

* [MacOS] Fix background on ScrollViewRenderer

* [MacOS] Fix header measure on ListViewRenderer

* [MacOS] Add Mac twitter demo

* [Controls] Spaces for easy reading

* [MacOS] More xaml cleanup

* [Core] Add Mac as aTargetPlatform

* [MacOS] Add alerts and actionsheets

* [MacOS] Add GestureRecognizers

* [MacOS] Fix Layout issues when adding children, enable transformations

* [MacOS] Fix title on tab item, move to tabbed navigation based on segmented control

* [MacOS] Hide toolbar when not needed, this allows to work with tabbed page, cleanup

* [MacOS] Add NativeBindings and NativeViewWrapper

* [MacOS] Fix AssemblyInfo

* [MacOS] FIX NRE on SetBackgroundColor BoxView

* [MacOS] Fix NavigationPageRenderer

* [MacOS] Fix build

* [MacOS] Also update page when it resizes

* [MacOS] Add LayoutRenderer for handle items position when the bounds change.

* [MacOS] Refactor/Cleanup

* [MacOS] Add toolbar items support to NavigationPage

* [MacOS] Resize images for TabViewITems

* [MacOS] Fix TabbedPage resize issues , allow users to override some features when creating TVI

* [MacOS] Fix hide/show Navigation toolbar

* [MacOS] Redo CarouselPageRenderer with NSPageController

* [MacOS] Add support for Modal pages

* [MacOS] Refactor navigation from platform

* [Nuget] Add nuget for MacOS

* [Nuget]Fix nuspec

* [Nuget] Add variables for CI

* [Controls] Remove MainMenu from MacOS

* [MacOS] Add TableView renderer (no headers yet)

* [MacOS] Refactoring, marking extensions as internal

* [MacOS] Add group headers for TableViewRenderer

* [MacOS] Workaround for updates on listview collection

* [MacOS] Handle updates of rows in the ListViewRenderer properly

* [MacOS] Fix navigation animation

* Fix navigation header issues with modal pages

* [MacOS] Fix MDP issues with resizing

* [MacOS] Fix general dispose

* [MacOS] Add a ViewControllerWrapper for NSSplitView

* [MacOS] MDP renderer fix animation

* [MacOS] Fix ListView selection bug

* [MacOS] Fix rendering MDP Layout inside wrappers

* [MacOS] Re write the MainToolbar handler

* [MacOS] Don't use Sierra new extensions so we can run in stable channel

* [MacOS] Another way to hide the toolbar (smarter i think)

* [MacOS] Fix MDP bug and remove debug color

* [Controls] Add HanselForms sample

* [MacOS] Fix NRE WebviewRenderer

* [MacOS] Fix uneven rows on ListView renderer

* [MacOS] Fix NRE on load (can+t find the reason this happens)

* [MacOS] Fix uneven rows

* [MacOS] Fix header sizing on ListViewRenderer

* [Controls] More stuff on HanselForms

* [MacOS] Remove warning from ListViewRenderer

* [MacOS] Fix PageRenderer bug double init

* [MacOS] Don't calculate height if RowHeight is provided

* [Controls] More Hanselforms stuff

* [MacOS] Once again a new implementation for the NavigationBar, this time using a custom view to support BackgroundColor

* [MacOS] Fix build

* [MacOS] Refactoring AwesomeBar related controls

* Fix build

* [MacOS] NavigationBar update background and t test colors

* [MacOS] Fix when we remove navigation so it works when the NavigationRenderer wasn't removed from the parent controller like in a TabbedPage

* [MacOS] Add support for ListView  grouping

* [MacOS] Fix image extension method.

* [MacOS] Add base Maps project

* [MacOS] Export MapRenderer

* [MacOS] Add pin click and geocoderbacked for Maps

* [MacOS] Add extra binding project for API not in stable.

* [MacOS] Add MacOS Maps lib

* [MacOS]Fix build on alpha

* [MacOS] Remove MacOS Maps extra binding

* [UITest] Basic macOS setup

* [UITest] Add MacOSApp wrapper implementation

* [MacOS] Set AutomationID

* [UITests] Add ActionSheetUITests to MacOS UITest

* [MacOS] Fix bug on Picker

* [UITests] Link basic uitest basefixture and related files

* [MacOS] Fix pickers reuse

* [UItests] Fix MacOS app path

* [UITest] Ignore UItest for appearing on macOS for now

* [UITest] Update macOS for 2.0.3

* [UITest] Refactor EnterText MacOS app

* [UITest]Fix ViewQuery on MacOS

* [UITest]Fix IsEnabled UItest on macOS

* [UITest] Implement Enter, mark some tests inconclusive fix others

* [MacOS] Implement Entry Completed event

* [UITests] Fix UITest for IsVisible, ignore ToolbarItem test for now

* [UITests] Fix ISVisible again add extra category

* [Controls] Cleanup macOS gallery

* [MacOS] Fix Assembly info

* [Docs] Fix docs

* Fix build

* [Nuget] Fix nuspec

* [Controls] Link files on MacOS

* [Core] Update Forms stack before firing a event saying page was removed, possible breaking change

* [MacOS] Implement RemovePage on NavigationPAgeRenderer

* [UItest] Ignore some , implement back on MacOS UITest app

* [MacOS] Add default back button name (needs to be translated)

* [MacOS] Fix dispose

* [UITest] Make 29257 work on MacOS

* [MacOS] Rename stuff

* [MacOS] More renaming and cleanup

* [MacOS] Share implementations for iOS

* [MacOS] Reuse more IOS extensions

* [MacOS] Reuse FontExtensions

* [MacOS] Share NativeViewWrapper related stuff

* [MAcOS] Share event args and ExportRenderer

* [MacOS] Share platform effect

* [MacOS] Fix build

* [Docs]Fixing docs

* [MacOS] Fix ViewCell reuse

* [Core] Support ListView CachingStrategy on MacOS

* [MacOS] Fix issues with TextCell and ImageCell (we can’t set null to a NSControl value)

* [MacOS] Fix MDP child sizing bug
[UITest] Query marked by id and text

* [MacOS] Comment test related with context actions

* [MacOS] Implement missing stuff on ticker

* [MacOS] Make sure VisualElemenTracker calls the ticker update

* [UITests]Ignore context actions and not possible to test

* [MacOS] Fix Grouping bug on Listview

* [MacOS] Fix selection on Listview when using grouping

* [MacOS] Update navbar when page is popped

* [MacOS] Cleanup NavigationBar

* [Controls] More info on exceptions

* [MacOS] Fix bug animation pop modal

* [MacOS] Bring back BackgroundColor of NavigationBar

* [MacOS] Fix UITest animation delay

* [MacOS] Treat warnings as errors

* [MacOS] Center title on toolbar

* [Core] Add Platform configuration specific for MacOS

* [MacOS] Implement TabbedPage platform specific to handle TabItems on NavigationPage bar

* [MacOS] Fix warning

* [MacOS] Fix bug on SearchBar color

* [MacOS]Fix build

* [MacOS] remove extra dll from maps

* [Docs] Update docs

* [MacOS]Cleanup and refactoring

* Revert "[MacOS] remove extra dll from maps"

This reverts commit 73b948937001fea3f28449a963d0b94943e07aa0.

* [MacOS] Fix wrong refactoring

* [MacOS] Remove gallery and uitest project

* [MacOS] dix formatting

* [MacOS] Remove extra stuff

* Merge branch 'master' into macOS-gallery

* [MacOS] Fix rebase

* [MacOS] Fix TargetPlatform

* fix docs

* [MacOS] Fix bug on TabbedPageRenderer no title

* [MacOS] Remove FormsNSView

* [MacOS] Cleanup on dispose on MDP renderer

* [MacOS] Update current page when source changes

* [MacOS] More cleanup

* [MacOS] Make sure we show the previous page when popping a Modal

* [MacOS] Fix issue with sizing the Header and visibility, remove for now header renderer reuse

* [MacOS] Clean CustomNSTableView

* [MacOS] Share LabelRenderer with iOS

* [MacOS] Share ResourcesProvider with iOS

* [MAcoS] Share VisualElementPackager with iOS

* [MacOS] Share ViewRenderer with iOS

* [MacOS] Merge with VisualElementTracker from iOS

* [MacOS] Merge with EventTracker from iOS

* [MacOS] Merge with VisualElementRenderer of iOS

* [MacOS] Make sure we always have a layer

* [MacOS] Fix Tracker merge with iOS version

* [MacOS] Fix bug with tabbed page on modal without navigation

* [Core] Rever change on core

* [MacOS] Clear renderers before setting them MDP

* [MacOS] Update tabbedPage ContainerArea

* [MacOS] Fix ListViewRenderer

* [MacOS] Make sure we don’t pass null to TextField string value

* [MacOS] Support for multiple clicks in same selected item on NSTableView

* [MacOS] Support Focus on EntryRenderer

* [MacOS] Fix index bug on TablevIewDataSource

* [MacOS] Fix SelectedItem TableViewDataSource

* [Nuget] Add Mac to Maps nuspec

* [Nuget]Fix path

* [macOS] Fixed Tab NSImage crash in TabbedPageRenderer (#705)

* [macOS] Fixed Tab NSImage crash in TabbedPageRenderer

* Coding Style

* Coding Style

* [MacOS] Fix previous merge with master

* [MacOS] Possible simple fix for click on views overlapping

* [MacOS] Rename to IsOnViewCell

* [MacOS] Cleanup, Address feedback from Samantha’s review

1 files changed, 401 insertions, 0 deletions

diff --git a/Xamarin.Forms.Controls/GalleryPages/MacOSTestGallery.cs b/Xamarin.Forms.Controls/GalleryPages/MacOSTestGallery.cs
new file mode 100644
index 00000000..3b44683f
--- /dev/null
+++ b/Xamarin.Forms.Controls/GalleryPages/MacOSTestGallery.cs
@@ -0,0 +1,401 @@
+using System;
+using System.Collections.Generic;
+
+namespace Xamarin.Forms.Controls
+{
+	public class MacOSTestGallery : ContentPage
+	{
+		public MacOSTestGallery()
+		{
+			mainDemoStack.Children.Add(MakeNewStackLayout());
+			var items = new List<MyItem1>();
+			for (int i = 0; i < 5000; i++)
+			{
+				items.Add(new MyItem1 { Reference = "Hello this is a big text " + i.ToString(), ShowButton = i % 2 == 0, Image = "bank.png" });
+			}
+
+			var header = new Label { Text = "HELLO HEADER ", FontSize = 40, BackgroundColor = Color.Pink };
+			var lst4 = new ListView { Header = header, ItemTemplate = new DataTemplate(typeof(DemoViewCell)), BackgroundColor = Color.Yellow, HeightRequest = 300, RowHeight = 50, ItemsSource = items, };
+
+			var lst = new ListView { ItemTemplate = new DataTemplate(typeof(DemoEntryCell)), BackgroundColor = Color.Yellow, HeightRequest = 300, RowHeight = 50, ItemsSource = items, };
+			var lst1 = new ListView { ItemTemplate = new DataTemplate(typeof(DemoTextCell)), BackgroundColor = Color.Yellow, HeightRequest = 300, RowHeight = 50, ItemsSource = items, };
+			var lst2 = new ListView { ItemTemplate = new DataTemplate(typeof(DemoSwitchCell)), BackgroundColor = Color.Yellow, HeightRequest = 300, RowHeight = 50, ItemsSource = items, };
+			var lst3 = new ListView { ItemTemplate = new DataTemplate(typeof(DemoImageCell)), BackgroundColor = Color.Yellow, HeightRequest = 300, RowHeight = 50, ItemsSource = items, };
+
+			var bigbUtton = new Button { WidthRequest = 200, HeightRequest = 300, Image = "bank.png" };
+
+			var picker = new DatePicker();
+
+			var timePicker = new TimePicker { Format = "T", Time = TimeSpan.FromHours(2) };
+
+			var editor = new Editor { Text = "Edit this text on editor", HeightRequest = 100, TextColor = Color.Yellow, BackgroundColor = Color.Gray };
+
+			var entry = new Entry { Placeholder = "Edit this text on entry", PlaceholderColor = Color.Pink, TextColor = Color.Yellow, BackgroundColor = Color.Green };
+
+			var frame = new Frame { HasShadow = true, BackgroundColor = Color.Maroon, OutlineColor = Color.Lime, MinimumHeightRequest = 100 };
+
+
+			var image = new Image { HeightRequest = 100, Source = "crimson.jpg" };
+
+			var picker1 = new Picker { Title = "Select a team player", TextColor = Color.Pink, BackgroundColor = Color.Silver };
+			picker1.Items.Add("Rui");
+			picker1.Items.Add("Jason");
+			picker1.Items.Add("Ez");
+			picker1.Items.Add("Stephane");
+			picker1.Items.Add("Samantha");
+			picker1.Items.Add("Paul");
+
+			picker1.SelectedIndex = 1;
+
+			var progress = new ProgressBar { BackgroundColor = Color.Purple, Progress = 0.5, HeightRequest = 50 };
+
+			picker1.SelectedIndexChanged += (sender, e) =>
+			{
+				entry.Text = $"Selected {picker1.Items[picker1.SelectedIndex]}";
+
+				progress.Progress += 0.1;
+			};
+
+			var searchBar = new SearchBar { BackgroundColor = Color.Olive, TextColor = Color.Maroon, CancelButtonColor = Color.Pink };
+			searchBar.Placeholder = "Please search";
+			searchBar.PlaceholderColor = Color.Orange;
+			searchBar.SearchButtonPressed += (sender, e) =>
+			{
+				searchBar.Text = "Search was pressed";
+			};
+
+			var slider = new Slider { BackgroundColor = Color.Lime, Value = 0.5 };
+
+			slider.ValueChanged += (sender, e) =>
+			{
+				editor.Text = $"Slider value changed {slider.Value}";
+			};
+
+			var stepper = new Stepper { BackgroundColor = Color.Yellow, Maximum = 100, Minimum = 0, Value = 10, Increment = 0.5 };
+
+			stepper.ValueChanged += (sender, e) =>
+			{
+				editor.Text = $"Stepper value changed {stepper.Value}";
+			};
+
+			var labal = new Label { Text = "This is a Switch" };
+			var switchR = new Switch { BackgroundColor = Color.Fuchsia, IsToggled = true };
+			switchR.Toggled += (sender, e) =>
+			{
+				entry.Text = $"switchR is toogle {switchR.IsToggled}";
+			};
+			var layoutSwitch = new StackLayout { Orientation = StackOrientation.Horizontal, BackgroundColor = Color.Green };
+			layoutSwitch.Children.Add(labal);
+			layoutSwitch.Children.Add(switchR);
+
+			var webView = new WebView { HeightRequest = 200, Source = "http://google.pt" };
+
+			var mainStck = new StackLayout
+			{
+				Spacing = 10,
+				BackgroundColor = Color.Blue,
+				VerticalOptions = LayoutOptions.Center,
+				HorizontalOptions = LayoutOptions.Center,
+				Children =
+							{
+								lst4,
+								lst,
+								lst1,
+								lst2,
+								lst3,
+								webView,
+								layoutSwitch,
+								stepper,
+								slider,
+								searchBar,
+								progress,
+								picker1,
+								image,
+								frame,
+								entry,
+								editor,
+								picker,
+								timePicker,
+								bigbUtton,
+								new Button { Text = "Click Me", BackgroundColor = Color.Gray },
+								new Button { Image = "bank.png", BackgroundColor = Color.Gray },
+								CreateButton(new Button.ButtonContentLayout(Button.ButtonContentLayout.ImagePosition.Left, 10)),
+								CreateButton(new Button.ButtonContentLayout(Button.ButtonContentLayout.ImagePosition.Top, 10)),
+								CreateButton(new Button.ButtonContentLayout(Button.ButtonContentLayout.ImagePosition.Bottom, 10)),
+								CreateButton(new Button.ButtonContentLayout(Button.ButtonContentLayout.ImagePosition.Right, 10)),
+								mainDemoStack
+							}
+			};
+			var lbl = new Label { Text = "Second label", TextColor = Color.White, VerticalTextAlignment = TextAlignment.Start, HorizontalTextAlignment = TextAlignment.Center };
+			mainStck.Children.Add(new Label { Text = "HELLO XAMARIN FORMS MAC", TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Center });
+			mainStck.Children.Add(lbl);
+			mainStck.Children.Add(new BoxView { Color = Color.Pink, HeightRequest = 200 });
+
+			var scroller = new ScrollView { BackgroundColor = Color.Yellow, HorizontalOptions = LayoutOptions.Center };
+
+			scroller.Scrolled += (sender, e) =>
+			{
+				lbl.Text = $"Current postion {scroller.ScrollY}";
+			};
+
+			scroller.Content = mainStck;
+
+			var actv = new ActivityIndicator { BackgroundColor = Color.White, Color = Color.Fuchsia, IsRunning = true };
+			mainStck.Children.Add(actv);
+
+			bigbUtton.Clicked += async (sender, e) =>
+			{
+				await scroller.ScrollToAsync(actv, ScrollToPosition.Center, true);
+				actv.Color = Color.Default;
+			};
+
+			Content = scroller;
+		}
+
+		public static ContentPage MacDemoContentPage()
+		{
+			return new MacOSTestGallery();
+		}
+
+		public static NavigationPage MacDemoNavigationPage()
+		{
+			var np = new NavigationPage(GetNewPage()) { BarTextColor = Color.Red, BarBackgroundColor = Color.Yellow };
+
+			np.Pushed += (sender, e) => System.Diagnostics.Debug.WriteLine("Pushed + " + np.CurrentPage.Title);
+
+			np.Popped += (sender, e) => System.Diagnostics.Debug.WriteLine("Popped");
+
+			np.PoppedToRoot += (sender, e) => System.Diagnostics.Debug.WriteLine("Popped to root");
+
+			return np;
+		}
+
+		public static TabbedPage MacDemoTabbedPage()
+		{
+
+			var btnGo = new Button { Text = "Change Title" };
+			var btnGo1 = new Button { Text = "Change Icon" };
+
+			var lyout = new StackLayout();
+			lyout.Children.Add(btnGo);
+			//lyout.Children.Add(btnGo1);
+
+			var tp = new TabbedPage { BarTextColor = Color.Red, BarBackgroundColor = Color.Yellow };
+
+			var master = new ContentPage { Icon = "bank.png", BackgroundColor = Color.Red, Title = "Master", Content = lyout };
+
+			var detail = new ContentPage { Icon = "bank.png", BackgroundColor = Color.Blue, Title = "Detail", Content = new Label { Text = "This is Detail Page" } };
+
+			tp.Children.Add(master);
+			tp.Children.Add(detail);
+
+			tp.CurrentPage = detail;
+
+			tp.CurrentPageChanged += (sender, e) =>
+			{
+				System.Diagnostics.Debug.WriteLine(tp.CurrentPage.Title);
+			};
+
+			btnGo.Clicked += (sender, e) =>
+			{
+				tp.CurrentPage.Title = "Tile changed";
+				tp.CurrentPage.Icon = null;
+			};
+
+			btnGo1.Clicked += (sender, e) =>
+			{
+
+			};
+			return tp;
+		}
+
+		public static MasterDetailPage MacDemoMasterDetailPage()
+		{
+			var mdp = new MasterDetailPage();
+
+			var master = new ContentPage { BackgroundColor = Color.Red, Title = "Master", Content = new Label { Text = "This is Master Page" } };
+
+			var detail = new ContentPage { BackgroundColor = Color.Blue, Title = "Detail", Content = new Label { Text = "This is Detail Page" } };
+
+			mdp.Master = master;
+			mdp.Detail = detail;
+
+			return mdp;
+		}
+
+		public static CarouselPage MacDemoCarouselPage()
+		{
+
+			var carouselPage = new CarouselPage { BackgroundColor = Color.Yellow };
+
+			var btnGo = new Button { Text = "Goto To Page 1 " };
+			var btnGo1 = new Button { Text = "Goto To Page 3 " };
+			var stck = new StackLayout();
+			stck.Children.Add(btnGo);
+			stck.Children.Add(btnGo1);
+			var page = new ContentPage { Title = "Page1", BackgroundColor = Color.Red, Content = new Label { Text = "Page 1 label", TextColor = Color.White, VerticalTextAlignment = TextAlignment.Start, HorizontalTextAlignment = TextAlignment.Center } };
+			var page2 = new ContentPage { Title = "Page2", BackgroundColor = Color.Blue, Content = stck };
+			var page3 = new ContentPage { Title = "Page3", BackgroundColor = Color.Green, Content = new Label { Text = "Page 3 label" } };
+
+			carouselPage.Children.Add(page);
+			carouselPage.Children.Add(page2);
+			carouselPage.Children.Add(page3);
+
+			carouselPage.CurrentPage = page2;
+
+			btnGo.Clicked += (sender, e) =>
+			{
+				carouselPage.CurrentPage = page;
+			};
+
+			btnGo1.Clicked += (sender, e) =>
+			{
+				carouselPage.CurrentPage = page3;
+			};
+
+			carouselPage.CurrentPageChanged += (sender, e) =>
+			{
+				System.Diagnostics.Debug.WriteLine(carouselPage.CurrentPage.Title);
+			};
+			return carouselPage;
+		}
+
+		static int _pageID;
+
+		static StackLayout mainDemoStack = new StackLayout { BackgroundColor = Color.Blue };
+
+		static ContentPage GetNewPage()
+		{
+			var label = new Label { Text = $"Page {_pageID}" };
+			var btnGo = new Button { Text = "Push Page" };
+			var btnGo1 = new Button { Text = "Pop Page" };
+			var lyout = new StackLayout();
+			lyout.Children.Add(label);
+			lyout.Children.Add(btnGo);
+			lyout.Children.Add(btnGo1);
+
+			btnGo.Clicked += async (sender, e) =>
+			{
+				_pageID++;
+				await (lyout.Parent as Page).Navigation?.PushAsync(GetNewPage());
+
+			};
+
+			btnGo1.Clicked += async (sender, e) =>
+			{
+				_pageID--;
+				await (lyout.Parent as Page).Navigation?.PopAsync();
+
+			};
+
+			return new ContentPage { Icon = "bank.png", BackgroundColor = _pageID % 2 == 0 ? Color.Blue : Color.Green, Title = label.Text, Content = lyout };
+		}
+
+		static StackLayout MakeNewStackLayout()
+		{
+			var count = 0;
+			var stacklayout = new StackLayout { BackgroundColor = Color.Red };
+
+			stacklayout.Children.Add(new Label { Text = $"HEllO {count}" });
+			stacklayout.Children.Add(new Button
+			{
+				Text = "Change layout",
+				Command = new Command(() =>
+				{
+					count += 2;
+					stacklayout.Children.RemoveAt(2);
+
+					var ll = new StackLayout();
+					ll.Children.Add(new Label { Text = $"HEllO {count}" });
+					ll.Children.Add(new Label { Text = $"HEllO {count + 1}" });
+					stacklayout.Children.Add(ll);
+				})
+			});
+			stacklayout.Children.Add(new Label { Text = $"HEllO {count + 1}" });
+			count += 2;
+			return stacklayout;
+		}
+
+
+
+		static Button CreateButton(Button.ButtonContentLayout layout)
+		{
+			return new Button
+			{
+				Text = "Click Me On Mac",
+				Image = "bank.png",
+				Font = Font.OfSize("Helvetica", 14),
+				ContentLayout = layout,
+				BackgroundColor = Color.Black,
+				TextColor = Color.White
+			};
+		}
+
+		class DemoSwitchCell : SwitchCell
+		{
+			public DemoSwitchCell()
+			{
+				SetBinding(TextProperty, new Binding("Reference"));
+				SetBinding(OnProperty, new Binding("ShowButton"));
+			}
+		}
+
+		class DemoImageCell : ImageCell
+		{
+			public DemoImageCell()
+			{
+				SetBinding(TextProperty, new Binding("Reference"));
+				SetBinding(DetailProperty, new Binding("ShowButton"));
+				SetBinding(ImageSourceProperty, new Binding("Image"));
+			}
+		}
+
+		class DemoTextCell : TextCell
+		{
+			public DemoTextCell()
+			{
+				SetBinding(TextProperty, new Binding("Reference"));
+				SetBinding(DetailProperty, new Binding("ShowButton"));
+			}
+		}
+
+		class DemoEntryCell : EntryCell
+		{
+			public DemoEntryCell()
+			{
+				SetBinding(LabelProperty, new Binding("Reference"));
+				SetBinding(TextProperty, new Binding("ShowButton"));
+				LabelColor = Color.Red;
+				Placeholder = "This is a entry cell";
+			}
+		}
+
+		class DemoViewCell : ViewCell
+		{
+			public DemoViewCell()
+			{
+				var box = new Image { BackgroundColor = Color.Pink, WidthRequest = 100, HeightRequest = 40, Source = "bank.png" };
+				var label = new Label { TextColor = Color.White };
+				var labelDetail = new Label { TextColor = Color.White };
+
+				label.SetBinding(Label.TextProperty, new Binding("Reference"));
+				labelDetail.SetBinding(Label.TextProperty, new Binding("ShowButton"));
+
+				var grid = new Grid { BackgroundColor = Color.Black };
+
+				grid.Children.Add(box, 0, 1, 0, 1);
+				grid.Children.Add(label, 1, 0);
+				grid.Children.Add(labelDetail, 1, 1);
+
+				View = grid;
+			}
+		}
+
+		public class MyItem1
+		{
+			public string Reference { get; set; }
+			public string Image { get; set; }
+			public bool ShowButton { get; set; }
+		}
+	}
+}