Platform Specifics (#301)

* Playing around with how the platform specifics interfaces etc. might work

* Sample implementation of iOS navigation translucency

* Very slightly reduced code

* Better vendor stuff

* Drop single-implemenation interfaces

* Generics on NavigationPage

* On-demand vendor stuff

* Remove functionally duplicate classes and make ControlGallery work again

* Namespace all the things. XAML test.

* Can use Effect to attach platform specific

* Attach Effect on PropertyChanging for XAML support!

* Rename IConfigPlatform interfaces for readability

* Some renaming to match the documents

* Split class files

* Clear out test-only code

* Re-namespace

* Added On method to rendered Elements

* Allow for removal of platform suffix, convenience methods on specific platforms

* Creating a gallery page for specifics

* Add rudimentary Platform Specifics gallery; make CollapseStyle work on UWP;
Add CollapsedPaneWidth specific property

* Toolbar now working with both collapse styles

* MDP now displaying Content title; toolbar routing around title

* Add a gallery for the iOS NavigationPage stuff

* Add Navigation Page as detail page to verify it works with new Toolbar options

* Make titlebar/toolbar background colors consistent

* ToolbarPlacement now working on NavigationPage

* Toolbar Placement working for tabbed and nav pages

* Fix bug where phone doesn't get default toolbar placement on start

* [Core] Add PS WindowSoftInputModeAdjust

[Core] Make Application extendable

* Toolbar placement now working on Nav, Tabbed, and Master pages on desktop/phone

Remove unnecessary style indirection

Fix build errors

* [A] Add PlatformConfigurationExtensions

* SetSoftInputMode test page

* [A] SetSoftInputMode

Known issue: Status bar color does not work in AdjustResize mode

* [Core] Add PS Blur

* [iOS] Configure renderer for blur

* Add test page

* Move to blur VisualElement for broader support

* Move test pages to gallery

* Update docs

* Use lazy initializer for PlatformConfigurationRegistry

1 files changed, 13 insertions, 1 deletions

diff --git a/Xamarin.Forms.Core/Button.cs b/Xamarin.Forms.Core/Button.cs
index 72f98814..31573076 100644
--- a/Xamarin.Forms.Core/Button.cs
+++ b/Xamarin.Forms.Core/Button.cs
@@ -8,7 +8,7 @@ using Xamarin.Forms.Platform;
 namespace Xamarin.Forms
 {
 	[RenderWith(typeof(_ButtonRenderer))]
-	public class Button : View, IFontElement, IButtonController
+	public class Button : View, IFontElement, IButtonController, IElementConfiguration<Button>
 	{
 		public static readonly BindableProperty CommandProperty = BindableProperty.Create("Command", typeof(ICommand), typeof(Button), null, propertyChanged: (bo, o, n) => ((Button)bo).OnCommandChanged());
 
@@ -43,6 +43,8 @@ namespace Xamarin.Forms
 			propertyChanging: (bindable, oldvalue, newvalue) => ((Button)bindable).OnSourcePropertyChanging((ImageSource)oldvalue, (ImageSource)newvalue),
 			propertyChanged: (bindable, oldvalue, newvalue) => ((Button)bindable).OnSourcePropertyChanged((ImageSource)oldvalue, (ImageSource)newvalue));
 
+		readonly Lazy<PlatformConfigurationRegistry<Button>> _platformConfigurationRegistry;
+
 		bool _cancelEvents;
 
 		const double DefaultSpacing = 10;
@@ -144,6 +146,16 @@ namespace Xamarin.Forms
 
 		public event EventHandler Clicked;
 
+		public Button()
+		{
+			_platformConfigurationRegistry = new Lazy<PlatformConfigurationRegistry<Button>>(() => new PlatformConfigurationRegistry<Button>(this));
+		}
+
+		public IPlatformElementConfiguration<T, Button> On<T>() where T : IConfigPlatform
+		{
+			return _platformConfigurationRegistry.Value.On<T>();
+		}
+
 		protected override void OnBindingContextChanged()
 		{
 			FileImageSource image = Image;