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

7 files changed, 435 insertions, 1 deletions

diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration.macOSSpecific/TabbedPage.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration.macOSSpecific/TabbedPage.xml
new file mode 100644
index 00000000..550ca297
--- /dev/null
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration.macOSSpecific/TabbedPage.xml
@@ -0,0 +1,176 @@
+<Type Name="TabbedPage" FullName="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage">
+  <TypeSignature Language="C#" Value="public static class TabbedPage" />
+  <TypeSignature Language="ILAsm" Value=".class public auto ansi abstract sealed beforefieldinit TabbedPage extends System.Object" />
+  <AssemblyInfo>
+    <AssemblyName>Xamarin.Forms.Core</AssemblyName>
+    <AssemblyVersion>2.0.0.0</AssemblyVersion>
+  </AssemblyInfo>
+  <Base>
+    <BaseTypeName>System.Object</BaseTypeName>
+  </Base>
+  <Interfaces />
+  <Docs>
+    <summary>To be added.</summary>
+    <remarks>To be added.</remarks>
+  </Docs>
+  <Members>
+    <Member MemberName="GetTabsStyle">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.TabsStyle GetTabsStyle (Xamarin.Forms.BindableObject element);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig valuetype Xamarin.Forms.TabsStyle GetTabsStyle(class Xamarin.Forms.BindableObject element) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="element" Type="Xamarin.Forms.BindableObject" />
+      </Parameters>
+      <Docs>
+        <param name="element">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="GetTabsStyle">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.TabsStyle GetTabsStyle (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig valuetype Xamarin.Forms.TabsStyle GetTabsStyle(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+      </Parameters>
+      <Docs>
+        <param name="config">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="HideTabs">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; HideTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; HideTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+      </Parameters>
+      <Docs>
+        <param name="config">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="SetShowTabs">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; SetShowTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config, Xamarin.Forms.TabsStyle value);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; SetShowTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config, valuetype Xamarin.Forms.TabsStyle value) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+        <Parameter Name="value" Type="Xamarin.Forms.TabsStyle" />
+      </Parameters>
+      <Docs>
+        <param name="config">To be added.</param>
+        <param name="value">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="SetTabsStyle">
+      <MemberSignature Language="C#" Value="public static void SetTabsStyle (Xamarin.Forms.BindableObject element, Xamarin.Forms.TabsStyle value);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig void SetTabsStyle(class Xamarin.Forms.BindableObject element, valuetype Xamarin.Forms.TabsStyle value) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Void</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="element" Type="Xamarin.Forms.BindableObject" />
+        <Parameter Name="value" Type="Xamarin.Forms.TabsStyle" />
+      </Parameters>
+      <Docs>
+        <param name="element">To be added.</param>
+        <param name="value">To be added.</param>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="ShowTabs">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; ShowTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; ShowTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+      </Parameters>
+      <Docs>
+        <param name="config">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="ShowTabsOnNavigation">
+      <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; ShowTabsOnNavigation (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; ShowTabsOnNavigation(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+      </Parameters>
+      <Docs>
+        <param name="config">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="TabsStyleProperty">
+      <MemberSignature Language="C#" Value="public static readonly Xamarin.Forms.BindableProperty TabsStyleProperty;" />
+      <MemberSignature Language="ILAsm" Value=".field public static initonly class Xamarin.Forms.BindableProperty TabsStyleProperty" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.BindableProperty</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+  </Members>
+</Type>
diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration/macOS.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration/macOS.xml
new file mode 100644
index 00000000..5012c5e8
--- /dev/null
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms.PlatformConfiguration/macOS.xml
@@ -0,0 +1,35 @@
+<Type Name="macOS" FullName="Xamarin.Forms.PlatformConfiguration.macOS">
+  <TypeSignature Language="C#" Value="public sealed class macOS : Xamarin.Forms.IConfigPlatform" />
+  <TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit macOS extends System.Object implements class Xamarin.Forms.IConfigPlatform" />
+  <AssemblyInfo>
+    <AssemblyName>Xamarin.Forms.Core</AssemblyName>
+    <AssemblyVersion>2.0.0.0</AssemblyVersion>
+  </AssemblyInfo>
+  <Base>
+    <BaseTypeName>System.Object</BaseTypeName>
+  </Base>
+  <Interfaces>
+    <Interface>
+      <InterfaceName>Xamarin.Forms.IConfigPlatform</InterfaceName>
+    </Interface>
+  </Interfaces>
+  <Docs>
+    <summary>To be added.</summary>
+    <remarks>To be added.</remarks>
+  </Docs>
+  <Members>
+    <Member MemberName=".ctor">
+      <MemberSignature Language="C#" Value="public macOS ();" />
+      <MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
+      <MemberType>Constructor</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <Parameters />
+      <Docs>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+  </Members>
+</Type>
diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms/Device.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms/Device.xml
index 16d13483..37fbad36 100644
--- a/docs/Xamarin.Forms.Core/Xamarin.Forms/Device.xml
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms/Device.xml
@@ -159,6 +159,21 @@ Device.BeginInvokeOnMainThread (() => {
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
+    <Member MemberName="macOS">
+      <MemberSignature Language="C#" Value="public const string macOS;" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal string macOS" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.String</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
     <Member MemberName="OnPlatform">
       <MemberSignature Language="C#" Value="public static void OnPlatform (Action iOS = null, Action Android = null, Action WinPhone = null, Action Default = null);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig void OnPlatform(class System.Action iOS, class System.Action Android, class System.Action WinPhone, class System.Action Default) cil managed" />
diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms/TabsStyle.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms/TabsStyle.xml
new file mode 100644
index 00000000..7565a1f1
--- /dev/null
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms/TabsStyle.xml
@@ -0,0 +1,87 @@
+<Type Name="TabsStyle" FullName="Xamarin.Forms.TabsStyle">
+  <TypeSignature Language="C#" Value="public enum TabsStyle" />
+  <TypeSignature Language="ILAsm" Value=".class public auto ansi sealed TabsStyle extends System.Enum" />
+  <AssemblyInfo>
+    <AssemblyName>Xamarin.Forms.Core</AssemblyName>
+    <AssemblyVersion>2.0.0.0</AssemblyVersion>
+  </AssemblyInfo>
+  <Base>
+    <BaseTypeName>System.Enum</BaseTypeName>
+  </Base>
+  <Docs>
+    <summary>To be added.</summary>
+    <remarks>To be added.</remarks>
+  </Docs>
+  <Members>
+    <Member MemberName="Default">
+      <MemberSignature Language="C#" Value="Default" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype Xamarin.Forms.TabsStyle Default = int32(0)" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+      </Docs>
+    </Member>
+    <Member MemberName="Hidden">
+      <MemberSignature Language="C#" Value="Hidden" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype Xamarin.Forms.TabsStyle Hidden = int32(1)" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+      </Docs>
+    </Member>
+    <Member MemberName="Icons">
+      <MemberSignature Language="C#" Value="Icons" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype Xamarin.Forms.TabsStyle Icons = int32(2)" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+      </Docs>
+    </Member>
+    <Member MemberName="OnBottom">
+      <MemberSignature Language="C#" Value="OnBottom" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype Xamarin.Forms.TabsStyle OnBottom = int32(4)" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+      </Docs>
+    </Member>
+    <Member MemberName="OnNavigation">
+      <MemberSignature Language="C#" Value="OnNavigation" />
+      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype Xamarin.Forms.TabsStyle OnNavigation = int32(3)" />
+      <MemberType>Field</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>To be added.</summary>
+      </Docs>
+    </Member>
+  </Members>
+</Type>
diff --git a/docs/Xamarin.Forms.Core/index.xml b/docs/Xamarin.Forms.Core/index.xml
index 1b6cb745..89af75c2 100644
--- a/docs/Xamarin.Forms.Core/index.xml
+++ b/docs/Xamarin.Forms.Core/index.xml
@@ -108,6 +108,9 @@
           <AttributeName>System.Runtime.CompilerServices.InternalsVisibleTo("Xamarin.Forms.Core.Windows.UITests")</AttributeName>
         </Attribute>
         <Attribute>
+          <AttributeName>System.Runtime.CompilerServices.InternalsVisibleTo("Xamarin.Forms.Core.macOS.UITests")</AttributeName>
+        </Attribute>
+        <Attribute>
           <AttributeName>System.Runtime.CompilerServices.InternalsVisibleTo("Xamarin.Forms.iOS.UITests")</AttributeName>
         </Attribute>
         <Attribute>
@@ -396,6 +399,7 @@
       <Type Name="TableSectionBase" Kind="Class" />
       <Type Name="TableSectionBase`1" DisplayName="TableSectionBase&lt;T&gt;" Kind="Class" />
       <Type Name="TableView" Kind="Class" />
+      <Type Name="TabsStyle" Kind="Enumeration" />
       <Type Name="TapGestureRecognizer" Kind="Class" />
       <Type Name="TappedEventArgs" Kind="Class" />
       <Type Name="TargetIdiom" Kind="Enumeration" />
@@ -461,6 +465,7 @@
     <Namespace Name="Xamarin.Forms.PlatformConfiguration">
       <Type Name="Android" Kind="Class" />
       <Type Name="iOS" Kind="Class" />
+      <Type Name="macOS" Kind="Class" />
       <Type Name="Tizen" Kind="Class" />
       <Type Name="Windows" Kind="Class" />
     </Namespace>
@@ -479,6 +484,9 @@
       <Type Name="StatusBarTextColorMode" Kind="Enumeration" />
       <Type Name="VisualElement" Kind="Class" />
     </Namespace>
+    <Namespace Name="Xamarin.Forms.PlatformConfiguration.macOSSpecific">
+      <Type Name="TabbedPage" Kind="Class" />
+    </Namespace>
     <Namespace Name="Xamarin.Forms.PlatformConfiguration.WindowsSpecific">
       <Type Name="CollapseStyle" Kind="Enumeration" />
       <Type Name="MasterDetailPage" Kind="Class" />
@@ -1627,6 +1635,113 @@
       <Targets>
         <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
       </Targets>
+      <Member MemberName="GetTabsStyle">
+        <MemberSignature Language="C#" Value="public static Xamarin.Forms.TabsStyle GetTabsStyle (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig valuetype Xamarin.Forms.TabsStyle GetTabsStyle(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>Xamarin.Forms.TabsStyle</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+        </Parameters>
+        <Docs>
+          <param name="config">To be added.</param>
+          <summary>To be added.</summary>
+        </Docs>
+        <Link Type="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage" Member="M:Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage.GetTabsStyle(Xamarin.Forms.IPlatformElementConfiguration{Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage})" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
+      </Targets>
+      <Member MemberName="HideTabs">
+        <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; HideTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; HideTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+        </Parameters>
+        <Docs>
+          <param name="config">To be added.</param>
+          <summary>To be added.</summary>
+        </Docs>
+        <Link Type="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage" Member="M:Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage.HideTabs(Xamarin.Forms.IPlatformElementConfiguration{Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage})" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
+      </Targets>
+      <Member MemberName="SetShowTabs">
+        <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; SetShowTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config, Xamarin.Forms.TabsStyle value);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; SetShowTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config, valuetype Xamarin.Forms.TabsStyle value) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+          <Parameter Name="value" Type="Xamarin.Forms.TabsStyle" />
+        </Parameters>
+        <Docs>
+          <param name="config">To be added.</param>
+          <param name="value">To be added.</param>
+          <summary>To be added.</summary>
+        </Docs>
+        <Link Type="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage" Member="M:Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage.SetShowTabs(Xamarin.Forms.IPlatformElementConfiguration{Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage},Xamarin.Forms.TabsStyle)" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
+      </Targets>
+      <Member MemberName="ShowTabs">
+        <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; ShowTabs (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; ShowTabs(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+        </Parameters>
+        <Docs>
+          <param name="config">To be added.</param>
+          <summary>To be added.</summary>
+        </Docs>
+        <Link Type="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage" Member="M:Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage.ShowTabs(Xamarin.Forms.IPlatformElementConfiguration{Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage})" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
+      </Targets>
+      <Member MemberName="ShowTabsOnNavigation">
+        <MemberSignature Language="C#" Value="public static Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; ShowTabsOnNavigation (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt; config);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; ShowTabsOnNavigation(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.macOS, class Xamarin.Forms.TabbedPage&gt; config) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="config" Type="Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage&gt;" RefType="this" />
+        </Parameters>
+        <Docs>
+          <param name="config">To be added.</param>
+          <summary>To be added.</summary>
+        </Docs>
+        <Link Type="Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage" Member="M:Xamarin.Forms.PlatformConfiguration.macOSSpecific.TabbedPage.ShowTabsOnNavigation(Xamarin.Forms.IPlatformElementConfiguration{Xamarin.Forms.PlatformConfiguration.macOS,Xamarin.Forms.TabbedPage})" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:Xamarin.Forms.IPlatformElementConfiguration`2" />
+      </Targets>
       <Member MemberName="CollapsedPaneWidth">
         <MemberSignature Language="C#" Value="public static double CollapsedPaneWidth (this Xamarin.Forms.IPlatformElementConfiguration&lt;Xamarin.Forms.PlatformConfiguration.Windows,Xamarin.Forms.MasterDetailPage&gt; config);" />
         <MemberSignature Language="ILAsm" Value=".method public static hidebysig float64 CollapsedPaneWidth(class Xamarin.Forms.IPlatformElementConfiguration`2&lt;class Xamarin.Forms.PlatformConfiguration.Windows, class Xamarin.Forms.MasterDetailPage&gt; config) cil managed" />
diff --git a/docs/Xamarin.Forms.Core/ns-Xamarin.Forms.PlatformConfiguration.macOSSpecific.xml b/docs/Xamarin.Forms.Core/ns-Xamarin.Forms.PlatformConfiguration.macOSSpecific.xml
new file mode 100644
index 00000000..644ef854
--- /dev/null
+++ b/docs/Xamarin.Forms.Core/ns-Xamarin.Forms.PlatformConfiguration.macOSSpecific.xml
@@ -0,0 +1,6 @@
+<Namespace Name="Xamarin.Forms.PlatformConfiguration.macOSSpecific">
+  <Docs>
+    <summary>To be added.</summary>
+    <remarks>To be added.</remarks>
+  </Docs>
+</Namespace>
diff --git a/docs/Xamarin.Forms.Maps/index.xml b/docs/Xamarin.Forms.Maps/index.xml
index c8db2882..775e9db2 100644
--- a/docs/Xamarin.Forms.Maps/index.xml
+++ b/docs/Xamarin.Forms.Maps/index.xml
@@ -33,7 +33,7 @@
           <AttributeName>System.Resources.NeutralResourcesLanguage("en")</AttributeName>
         </Attribute>
         <Attribute>
-          <AttributeName>System.Runtime.CompilerServices.CompilationRelaxations(8)</AttributeName>
+          <AttributeName>System.Runtime.CompilerServices.InternalsVisibleTo("Xamarin.Forms.Maps.macOS")</AttributeName>
         </Attribute>
         <Attribute>
           <AttributeName>System.Runtime.CompilerServices.InternalsVisibleTo("Xamarin.Forms.Maps.iOS")</AttributeName>