Added ViewRepresentable for Mac.

src/HotUI.Mac/Handlers/ViewRepresentableHandler.cs

@@ -0,0 +1,32 @@
+using System;
+using UIKit;
+
+// ReSharper disable ClassNeverInstantiated.Global
+// ReSharper disable MemberCanBePrivate.Global
+
+namespace HotUI.iOS
+{
+    public class ViewRepresentableHandler : AbstractHandler<ViewRepresentable, UIView>
+    {
+        public static readonly PropertyMapper<ViewRepresentable> Mapper = new PropertyMapper<ViewRepresentable>(ViewHandler.Mapper)
+        {
+            [nameof(ViewRepresentable.Data)] = MapDataProperty
+        };
+        
+        public ViewRepresentableHandler() : base(Mapper)
+        {
+
+        }
+
+        protected override UIView CreateView()
+        {
+            return VirtualView?.MakeView() as UIView;
+        }
+        
+        public static void MapDataProperty(IViewHandler viewHandler, ViewRepresentable virtualView)
+        { 
+            var data = virtualView.Data;
+            virtualView.UpdateView?.Invoke(viewHandler.NativeView, data);
+        }
+    }
+}

src/HotUI.Mac/HotUI.Mac.csproj

@@ -89,6 +89,8 @@
     <Compile Include="Handlers\HStackHandler.cs" />
     <Compile Include="Handlers\SpacerHandler.cs" />
     <Compile Include="Services\MacFontService.cs" />
+    <Compile Include="UIViewRepresentable.cs" />
+    <Compile Include="Handlers\ViewRepresentableHandler.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\HotUI\HotUI.csproj">

src/HotUI.Mac/UI.cs

@@ -25,9 +25,10 @@ namespace HotUI.Mac
 			Registrar.Handlers.Register<Image, ImageHandler> ();
 			Registrar.Handlers.Register<View, ViewHandler> ();
 			Registrar.Handlers.Register<ContentView, ContentViewHandler> ();
-			Registrar.Handlers.Register<ListView, ListViewHandler> ();
+            Registrar.Handlers.Register<ListView, ListViewHandler>();
+            Registrar.Handlers.Register<ViewRepresentable, ViewRepresentableHandler>();
 
-			Device.PerformInvokeOnMainThread = invoker.BeginInvokeOnMainThread;
+            Device.PerformInvokeOnMainThread = invoker.BeginInvokeOnMainThread;
             Device.FontService = new MacFontService();
         }
     }

src/HotUI.Mac/UIViewRepresentable.cs

@@ -0,0 +1,22 @@
+using System;
+using AppKit;
+
+namespace HotUI.Mac
+{
+    public class NSViewRepresentable<T> : ViewRepresentable where T:NSView
+    {
+        public delegate void UpdateNSView(T view, object state);
+
+        public new Func<NSView> MakeView
+        {
+            get => () => base.MakeView?.Invoke() as T;
+            set => base.MakeView = () => value?.Invoke();            
+        }
+
+        public new UpdateNSView UpdateView
+        {
+            get => (view, state) => base.UpdateView?.Invoke(view, state);
+            set => base.UpdateView = (view, state) => value?.Invoke(view as T, state);
+        }
+    }
+}