Evolve feature branch (#117)

* Initial import of evolve features

* [Android] Add Xamarin.Forms.Platform.Android.AppLinks project

* [iOS] Fix issues with c# 6 features on iOS AppLinks

* Added naive stanza to update-docs-windows.bat to produce Pages docs. Not tested. (#69)

* Update packages

* Add AppLinks android nuspec and fix linker issues

* Fix build

* Fix nusepc

* Fix nuspec

* Update android support nugets to 23.2.1

* Update Xamarin.UITest

* Add CardView

* [iOS] Fix app link for CoreSpotlight

* [Android] Update AppLinks android support libs

* Add Newtonsoft.Json dependency to nuspec

* Fix NRE when setting ControlTemplate to null

* Move to ModernHttpClient for download

* Try fix build

* Preserve android app links

* Fix margin issue

* General coding and simple fixes

1 files changed, 80 insertions, 0 deletions

diff --git a/Xamarin.Forms.Controls/GalleryPages/AppLinkPageGallery.cs b/Xamarin.Forms.Controls/GalleryPages/AppLinkPageGallery.cs
new file mode 100644
index 00000000..bc765dd9
--- /dev/null
+++ b/Xamarin.Forms.Controls/GalleryPages/AppLinkPageGallery.cs
@@ -0,0 +1,80 @@
+using System;
+
+namespace Xamarin.Forms.Controls
+{
+	public class AppLinkPageGallery  : ContentPage
+	{
+		public AppLinkPageGallery ()
+		{
+			_linkEntry = GetEntry ();
+			_lbl = new Label {
+				Text = "You are on a demo page via app url", IsVisible = ShowLabel 
+			};
+
+			var btnRegister = new Button { Text = "Index this Page", 
+				Command = new Command (() => Application.Current.AppLinks.RegisterLink (LinkEntry))
+			};
+			var btnRemove = new Button { Text = "Remove this Page from index", 
+				Command = new Command (() => Application.Current.AppLinks.DeregisterLink (LinkEntry))
+			};
+
+			var btnClearAll = new Button { Text = "Clear All Indexed Data", 
+			//	Command = new Command (() => Application.Current.AppLinks.DeregisterAll ())
+			};
+
+			Content = new StackLayout { Children = { _lbl, btnRegister, btnRemove, btnClearAll } };
+		}
+
+		protected override void OnAppearing ()
+		{
+			LinkEntry.IsLinkActive = true;
+		}
+
+		protected override void OnDisappearing ()
+		{
+			LinkEntry.IsLinkActive = false;
+		}
+
+		public bool ShowLabel {
+			get { 
+				return _showlabel;
+			}
+			set { 
+				_showlabel = value;
+				_lbl.IsVisible = _showlabel;
+			}
+		}
+
+		internal IAppLinkEntry LinkEntry {
+			get { 
+				return _linkEntry;
+			}
+		}
+
+		bool _showlabel;
+		IAppLinkEntry _linkEntry;
+		Label _lbl;
+
+		AppLinkEntry GetEntry ()
+		{
+			if (string.IsNullOrEmpty (Title))
+				Title = "App Link Page Gallery";
+	
+			var type = GetType ().ToString ();
+			var entry = new AppLinkEntry {
+				Title = Title,
+				Description =$"This is the page {Title} \nof Xamarin Forms Gallery",
+				AppLinkUri = new Uri ($"http://{App.AppName}/gallery/{type}", UriKind.RelativeOrAbsolute),
+				IsLinkActive = true,
+				Thumbnail = ImageSource.FromFile ("seth.png")
+			};
+
+			entry.KeyValues.Add ("contentType", "GalleryPage");
+			entry.KeyValues.Add ("appName",  App.AppName);
+			entry.KeyValues.Add ("companyName", "Xamarin");
+
+			return entry;
+		}
+	}
+}
+