diff --git a/Ooui.Forms/Forms.cs b/Ooui.Forms/Forms.cs
index 8c06773..be696c9 100644
--- a/Ooui.Forms/Forms.cs
+++ b/Ooui.Forms/Forms.cs
@@ -166,6 +166,12 @@ namespace Xamarin.Forms
             public void QuitApplication()
             {
             }
+
+            public SizeRequest GetNativeSize(VisualElement view, double widthConstraint, double heightConstraint)
+            {
+                var renderer = Ooui.Forms.Platform.GetRenderer(view);
+                return renderer.GetDesiredSize(widthConstraint, heightConstraint);
+            }
         }
 
         public class ViewInitializedEventArgs
diff --git a/Ooui.Forms/Ooui.Forms.csproj b/Ooui.Forms/Ooui.Forms.csproj
index de25f30..7908af0 100644
--- a/Ooui.Forms/Ooui.Forms.csproj
+++ b/Ooui.Forms/Ooui.Forms.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Version>1.0.0</Version>
@@ -18,7 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="3.0.0.482510" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.264807" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Extensions\" />
diff --git a/Ooui.Forms/Platform.cs b/Ooui.Forms/Platform.cs
index c600a20..2ab9be1 100644
--- a/Ooui.Forms/Platform.cs
+++ b/Ooui.Forms/Platform.cs
@@ -7,7 +7,10 @@ using Xamarin.Forms.Internals;
 
 namespace Ooui.Forms
 {
-    public class Platform : BindableObject, IPlatform, INavigation, IDisposable
+    public class Platform : BindableObject, INavigation, IDisposable
+#pragma warning disable CS0618 // Type or member is obsolete
+        , IPlatform
+#pragma warning restore CS0618 // Type or member is obsolete
     {
         bool _disposed;
 
@@ -99,7 +102,7 @@ namespace Ooui.Forms
             base.OnBindingContextChanged ();
         }
 
-        public SizeRequest GetNativeSize (VisualElement view, double widthConstraint, double heightConstraint)
+        public static SizeRequest GetNativeSize (VisualElement view, double widthConstraint, double heightConstraint)
         {
             var renderView = GetRenderer (view);
             if (renderView == null || renderView.NativeView == null)
@@ -116,8 +119,12 @@ namespace Ooui.Forms
                 throw new NotImplementedException ();
             Page = newRoot;
 
+#pragma warning disable CS0618 // Type or member is obsolete
+            // The Platform property is no longer necessary, but we have to set it because some third-party
+            // library might still be retrieving it and using it
             Page.Platform = this;
-            AddChild (Page);
+#pragma warning restore CS0618 // Type or member is obsolete
+            AddChild(Page);
 
             Page.DescendantRemoved += HandleChildRemoved;
 
@@ -232,5 +239,12 @@ namespace Ooui.Forms
         {
             throw new NotImplementedException ();
         }
+
+        #region obsolete
+        SizeRequest IPlatform.GetNativeSize (VisualElement view, double widthConstraint, double heightConstraint)
+        {
+            return GetNativeSize(view, widthConstraint, heightConstraint);
+        }
+        #endregion
     }
 }
diff --git a/Ooui.Forms/Renderers/NavigationPageRenderer.cs b/Ooui.Forms/Renderers/NavigationPageRenderer.cs
index cc6a40c..46fd0d3 100644
--- a/Ooui.Forms/Renderers/NavigationPageRenderer.cs
+++ b/Ooui.Forms/Renderers/NavigationPageRenderer.cs
@@ -1,9 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
-using System.ComponentModel;
 using System.Net;
-using System.Text;
 using Xamarin.Forms;
 using Xamarin.Forms.Internals;
 using System.Linq;
@@ -161,18 +159,24 @@ namespace Ooui.Forms.Renderers
 
         private void OnPopToRootRequested(object sender, NavigationRequestedEventArgs e)
         {
+#pragma warning disable CS0618 // Type or member is obsolete
             e.Realize = true;
+#pragma warning restore CS0618 // Type or member is obsolete
         }
 
         private void OnPopRequested(object sender, NavigationRequestedEventArgs e)
         {
+#pragma warning disable CS0618 // Type or member is obsolete
             e.Realize = true;
+#pragma warning restore CS0618 // Type or member is obsolete
         }
 
         // This is where you would draw the new contents.
         private void OnPushRequested(object sender, NavigationRequestedEventArgs e)
         {
+#pragma warning disable CS0618 // Type or member is obsolete
             e.Realize = true;
+#pragma warning restore CS0618 // Type or member is obsolete
         }
 
         private string GenerateFullHash()
diff --git a/PlatformSamples/AspNetCoreMvc/AspNetCoreMvc.csproj b/PlatformSamples/AspNetCoreMvc/AspNetCoreMvc.csproj
index bfa4412..601b31a 100644
--- a/PlatformSamples/AspNetCoreMvc/AspNetCoreMvc.csproj
+++ b/PlatformSamples/AspNetCoreMvc/AspNetCoreMvc.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.0</TargetFramework>
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
-    <PackageReference Include="Xamarin.Forms" Version="3.0.0.482510" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.264807" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Samples/Program.cs b/Samples/Program.cs
index 59320c5..325786b 100644
--- a/Samples/Program.cs
+++ b/Samples/Program.cs
@@ -55,7 +55,7 @@ namespace Samples
                 sample.Publish();
             }
 
-            var samplePage = new SamplePickerSample(samples);
+            var samplePage = new SamplePicker(samples);
             samplePage.Publish();
 
             UI.Present (samplePage.Path);
diff --git a/Samples/SamplePickerSample.cs b/Samples/SamplePicker.cs
similarity index 92%
rename from Samples/SamplePickerSample.cs
rename to Samples/SamplePicker.cs
index 53d9fc8..f0e3dcd 100644
--- a/Samples/SamplePickerSample.cs
+++ b/Samples/SamplePicker.cs
@@ -7,11 +7,11 @@ using Element = Ooui.Element;
 
 namespace Samples
 {
-    public class SamplePickerSample : ISample
+    public class SamplePicker : ISample
     {
         private readonly IEnumerable<ISample> _samplePages;
 
-        public SamplePickerSample(IEnumerable<ISample> samplePages)
+        public SamplePicker(IEnumerable<ISample> samplePages)
         {
             _samplePages = samplePages.OrderBy(s => s.Title);
         }
diff --git a/Samples/Samples.csproj b/Samples/Samples.csproj
index d909b7d..37a96c8 100644
--- a/Samples/Samples.csproj
+++ b/Samples/Samples.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="3.0.0.482510" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.264807" />
   </ItemGroup>
 	
   <ItemGroup>