Got OS X compiling/running again. Fixed Render update issues on iOS, including accounting for iOS Status Bar at the top. Input works again!

src/Skia/Perspex.Skia.iOS.TestApp/Perspex.Skia.iOS.TestApp.csproj

@@ -20,7 +20,7 @@
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
     <MtouchArch>i386</MtouchArch>
-    <MtouchLink>None</MtouchLink>
+    <MtouchLink>SdkOnly</MtouchLink>
     <MtouchDebug>true</MtouchDebug>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">

src/Skia/Perspex.Skia.iOS/Perspex.Skia.iOS.csproj

@@ -2,7 +2,7 @@
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProductVersion>8.0.30703</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{47BE08A7-5985-410B-9FFC-2264B8EA595F}</ProjectGuid>
@@ -36,15 +36,9 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Include="iOSMethodTable.cs" />
     <Compile Include="SkiaView.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Include="..\native\iOS\libperspesk_standalone.a">
-      <Link>libperspesk_standalone.a</Link>
-    </EmbeddedResource>
-  </ItemGroup>
   <ItemGroup>
     <Reference Include="SkiaSharp, Version=1.49.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\SkiaSharp.1.49.2.0-beta\lib\XamariniOS\SkiaSharp.dll</HintPath>

src/Skia/Perspex.Skia.iOS/SkiaView.cs

@@ -21,7 +21,7 @@ namespace Perspex.Skia.iOS
         //static extern IntPtr GetPerspexEAGLContext();
 
         bool _drawQueued;
-        CADisplayLink _link;
+        //CADisplayLink _link;
         static EAGLContext GetContext()
         {
 			/* No longer needed with SkiaSharp
@@ -43,7 +43,7 @@ namespace Perspex.Skia.iOS
 
         protected SkiaView() : base(UIScreen.MainScreen.ApplicationFrame)	//, GetContext())
         {
-            (_link = CADisplayLink.Create(() => OnFrame())).AddToRunLoop(NSRunLoop.Main, NSRunLoop.NSDefaultRunLoopMode);
+            //(_link = CADisplayLink.Create(() => OnFrame())).AddToRunLoop(NSRunLoop.Main, NSRunLoop.NSDefaultRunLoopMode);
         }
 
         protected void OnFrame()
@@ -54,6 +54,8 @@ namespace Perspex.Skia.iOS
 
 				// GLKView
 				//Display();
+
+				this.SetNeedsDisplay();
             }
         }
 

src/Skia/Perspex.Skia/RenderTarget.cs

@@ -50,6 +50,25 @@ namespace Perspex.Skia
 			FixSize();
 		}
 
+#if __IOS__
+		private CGRect GetApplicationFrame()
+		{
+			// if we are excluding Status Bar then we use ApplicationFrame
+			// otherwise we use full screen bounds. Note that this must also match
+			// the Skia/PerspexView!!!
+			//
+			bool excludeStatusArea = false; // TODO: make this configurable later
+			if (excludeStatusArea)
+			{
+				return UIScreen.MainScreen.ApplicationFrame;
+			}
+			else
+			{
+				return UIScreen.MainScreen.Bounds;
+			}
+		}
+#endif
+
 		void FixSize()
 		{
 			int width, height;
@@ -83,7 +102,7 @@ namespace Perspex.Skia
 		void GetPlatformWindowSize(IntPtr hwnd, out int w, out int h)
 		{
 #if __IOS__
-			var bounds = UIScreen.MainScreen.ApplicationFrame;
+			var bounds = GetApplicationFrame();
 			w = (int) bounds.Width;
 			h = (int)bounds.Height;
 
@@ -126,7 +145,8 @@ namespace Perspex.Skia
 
 #if __IOS__
 			const int bitmapInfo = ((int)CGBitmapFlags.ByteOrder32Big) | ((int)CGImageAlphaInfo.PremultipliedLast);
-			var bounds = UIScreen.MainScreen.ApplicationFrame;
+			var bounds = GetApplicationFrame();
+			var statusBarOffset = UIScreen.MainScreen.Bounds.Height - bounds.Height;
 
 			using (var colorSpace = CGColorSpace.CreateDeviceRGB())
 			using (var bContext = new CGBitmapContext(pixels, _bitmap.Width, _bitmap.Height, 8, _bitmap.Width * 4, colorSpace, (CGImageAlphaInfo)bitmapInfo))
@@ -134,7 +154,7 @@ namespace Perspex.Skia
 			using (var context = UIGraphics.GetCurrentContext())
 			{
 				// flip the image for CGContext.DrawImage
-				context.TranslateCTM(0, bounds.Height);	// Frame.Height);
+				context.TranslateCTM(0, bounds.Height + statusBarOffset);
 				context.ScaleCTM(1, -1);
 				context.DrawImage(bounds, image);
 			}

src/Windows/Perspex.Win32/SystemDialogImpl.cs

@@ -40,17 +40,20 @@ namespace Perspex.Win32
                 var filterBuffer = new char[filters.Length];
                 filters.CopyTo(0, filterBuffer, 0, filterBuffer.Length);
 
-                var defExt = (dialog as SaveFileDialog)?.DefaultExtension;
+				var defExt = (dialog as SaveFileDialog)?.DefaultExtension.ToArray();
                 var fileBuffer = new char[256];
                 dialog.InitialFileName?.CopyTo(0, fileBuffer, 0, dialog.InitialFileName.Length);
 
                 string userSelectedExt = null;
-                
-                fixed (char* pFileBuffer = fileBuffer)
+
+				var title = dialog.Title.ToArray();
+				var initialDir = dialog.InitialDirectory.ToArray();
+
+				fixed (char* pFileBuffer = fileBuffer)
                 fixed (char* pFilterBuffer = filterBuffer)
                 fixed (char* pDefExt = defExt)
-                fixed (char* pInitDir = dialog.InitialDirectory)
-                fixed (char* pTitle = dialog.Title)
+                fixed (char* pInitDir = initialDir)
+                fixed (char* pTitle = title)
                 {
                     var ofn = new UnmanagedMethods.OpenFileName()
                     {                       

src/iOS/Perspex.iOS/PerspexView.cs

@@ -57,7 +57,8 @@ namespace Perspex.iOS
                            (_controller.InterfaceOrientation == UIInterfaceOrientation.LandscapeLeft
                             || _controller.InterfaceOrientation == UIInterfaceOrientation.LandscapeRight);
 
-            var frame = UIScreen.MainScreen.Bounds;
+			// Bounds here (if top level) needs to correspond with the rendertarget 
+			var frame = UIScreen.MainScreen.Bounds;
             if (needFlip)
                 Frame = new CGRect(frame.Y, frame.X, frame.Height, frame.Width);
             else

src/iOS/Perspex.iOSTestApplication/AppDelegate.cs

@@ -3,7 +3,9 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using Foundation;
+using Perspex.Controls;
 using Perspex.iOS;
+using Perspex.Media;
 using Perspex.Threading;
 using TestApplication;
 using UIKit;
@@ -29,12 +31,42 @@ namespace Perspex.iOSTestApplication
 
             var app = new App();
 
-            MainWindow.RootNamespace = "Perspex.iOSTestApplication";
-            var window = MainWindow.Create();
+			MainWindow.RootNamespace = "Perspex.iOSTestApplication";
+			var window = MainWindow.Create();
             window.Show();
             app.Run(window);
 
             return true;
         }
+
+		// This provides a simple UI tree for testing input handling
+		public static Window Create()
+		{
+			Window window = new Window
+			{
+				Title = "Perspex Test Application",
+				//Width = 900,
+				//Height = 480,
+				Background = Brushes.Red,
+				Content = new Grid
+				{
+					Margin = new Thickness(100),
+					Background = Brushes.Yellow,
+					Children = new Controls.Controls
+					{
+						new Button
+						{
+							Content = "Hello World!",
+							Width = 200,
+							Height = 200
+						}
+					}
+				}
+			};
+
+			return window;
+		}
     }
+
+
 }

src/iOS/Perspex.iOSTestApplication/Perspex.iOSTestApplication.csproj

@@ -20,7 +20,7 @@
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
     <MtouchArch>i386</MtouchArch>
-    <MtouchLink>None</MtouchLink>
+    <MtouchLink>SdkOnly</MtouchLink>
     <MtouchDebug>true</MtouchDebug>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">