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, 86 insertions, 0 deletions

diff --git a/Xamarin.Forms.Pages/DataItem.cs b/Xamarin.Forms.Pages/DataItem.cs
new file mode 100644
index 00000000..62af919c
--- /dev/null
+++ b/Xamarin.Forms.Pages/DataItem.cs
@@ -0,0 +1,86 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace Xamarin.Forms.Pages
+{
+	public class DataItem : IDataItem, INotifyPropertyChanged
+	{
+		string _name;
+		object _val;
+
+		public DataItem()
+		{
+		}
+
+		public DataItem(string name, object value)
+		{
+			_name = name;
+			_val = value;
+		}
+
+		public string Name
+		{
+			get { return _name; }
+			set
+			{
+				if (_name == value)
+					return;
+				_name = value;
+				OnPropertyChanged();
+			}
+		}
+
+		public object Value
+		{
+			get { return _val; }
+			set
+			{
+				if (_val == value)
+					return;
+				_val = value;
+				OnPropertyChanged();
+			}
+		}
+
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		public override bool Equals(object obj)
+		{
+			if (ReferenceEquals(null, obj))
+				return false;
+			if (ReferenceEquals(this, obj))
+				return true;
+			if (obj.GetType() != GetType())
+				return false;
+			return Equals((DataItem)obj);
+		}
+
+		public override int GetHashCode()
+		{
+			unchecked
+			{
+				return ((_name?.GetHashCode() ?? 0) * 397) ^ (_val?.GetHashCode() ?? 0);
+			}
+		}
+
+		public static bool operator ==(DataItem left, DataItem right)
+		{
+			return Equals(left, right);
+		}
+
+		public static bool operator !=(DataItem left, DataItem right)
+		{
+			return !Equals(left, right);
+		}
+
+		protected bool Equals(DataItem other)
+		{
+			return string.Equals(_name, other._name) && Equals(_val, other._val);
+		}
+
+		protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+		{
+			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+		}
+	}
+}
\ No newline at end of file