From abd7edd6b04264048977a636db71e38593fd8169 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Mon, 9 Nov 2015 03:05:55 +0300
Subject: [PATCH] Android support for skia

---
 Perspex.sln                                   |  17 ++-
 src/Shared/RenderHelpers/ArcToHelper.cs       |   1 -
 .../MainActivity.cs                           |  71 ++++++++++
 .../Perspex.Skia.Android.TestApp.csproj       | 122 ++++++++++++++++++
 .../Properties/AndroidManifest.xml            |   5 +
 .../Properties/AssemblyInfo.cs                |  30 +++++
 .../Resources/Resource.Designer.cs            | 112 ++++++++++++++++
 .../Resources/drawable/Icon.png               | Bin 0 -> 4147 bytes
 .../Resources/layout/Main.axml                |  13 ++
 .../Resources/values/Strings.xml              |   5 +
 src/Skia/Perspex.Skia.Android/MethodTable.cs  |  29 +++++
 .../Perspex.Skia.Android.csproj               | 106 +++++++++++++++
 .../Resources/Resource.Designer.cs            |   0
 src/Skia/Perspex.Skia.Android/SkiaView.cs     |  92 +++++++++++++
 14 files changed, 601 insertions(+), 2 deletions(-)
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/MainActivity.cs
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Perspex.Skia.Android.TestApp.csproj
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Properties/AndroidManifest.xml
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Properties/AssemblyInfo.cs
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Resources/Resource.Designer.cs
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Resources/drawable/Icon.png
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Resources/layout/Main.axml
 create mode 100644 src/Skia/Perspex.Skia.Android.TestApp/Resources/values/Strings.xml
 create mode 100644 src/Skia/Perspex.Skia.Android/MethodTable.cs
 create mode 100644 src/Skia/Perspex.Skia.Android/Perspex.Skia.Android.csproj
 create mode 100644 src/Skia/Perspex.Skia.Android/Resources/Resource.Designer.cs
 create mode 100644 src/Skia/Perspex.Skia.Android/SkiaView.cs

diff --git a/Perspex.sln b/Perspex.sln
index 268cc1c87c..fab898d95e 100644
--- a/Perspex.sln
+++ b/Perspex.sln
@@ -114,17 +114,23 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.Skia.Desktop", "src
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.Skia.RenderTests", "tests\Perspex.RenderTests\Perspex.Skia.RenderTests.csproj", "{D35A9F3D-8BB0-496E-BF72-444038A7DEBB}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.Skia.Android", "src\Skia\Perspex.Skia.Android\Perspex.Skia.Android.csproj", "{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.Skia.Android.TestApp", "src\Skia\Perspex.Skia.Android.TestApp\Perspex.Skia.Android.TestApp.csproj", "{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}"
+EndProject
 Global
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{fb05ac90-89ba-4f2f-a924-f37875fb547c}*SharedItemsImports = 4
 		src\Shared\PlatformSupport\PlatformSupport.projitems*{e4d9629c-f168-4224-3f51-a5e482ffbc42}*SharedItemsImports = 13
 		src\Skia\Perspex.Skia\Perspex.Skia.projitems*{2f59f3d0-748d-4652-b01e-e0d954756308}*SharedItemsImports = 13
 		src\Shared\PlatformSupport\PlatformSupport.projitems*{db070a10-bf39-4752-8456-86e9d5928478}*SharedItemsImports = 4
-		src\Skia\Perspex.Skia\Perspex.Skia.projitems*{925dd807-b651-475f-9f7c-cbeb974ce43d}*SharedItemsImports = 4
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{925dd807-b651-475f-9f7c-cbeb974ce43d}*SharedItemsImports = 4
+		src\Skia\Perspex.Skia\Perspex.Skia.projitems*{925dd807-b651-475f-9f7c-cbeb974ce43d}*SharedItemsImports = 4
 		src\Shared\PlatformSupport\PlatformSupport.projitems*{54f237d5-a70a-4752-9656-0c70b1a7b047}*SharedItemsImports = 4
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{3c4c0cb4-0c0f-4450-a37b-148c84ff905f}*SharedItemsImports = 13
 		src\Shared\PlatformSupport\PlatformSupport.projitems*{811a76cf-1cf6-440f-963b-bbe31bd72a82}*SharedItemsImports = 4
+		src\Shared\RenderHelpers\RenderHelpers.projitems*{bd43f7c0-396b-4aa1-bad9-dfde54d51298}*SharedItemsImports = 4
+		src\Skia\Perspex.Skia\Perspex.Skia.projitems*{bd43f7c0-396b-4aa1-bad9-dfde54d51298}*SharedItemsImports = 4
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{3e908f67-5543-4879-a1dc-08eace79b3cd}*SharedItemsImports = 4
 	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -284,6 +290,13 @@ Global
 		{D35A9F3D-8BB0-496E-BF72-444038A7DEBB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D35A9F3D-8BB0-496E-BF72-444038A7DEBB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D35A9F3D-8BB0-496E-BF72-444038A7DEBB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}.Release|Any CPU.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -317,5 +330,7 @@ Global
 		{2F59F3D0-748D-4652-B01E-E0D954756308} = {3743B0F2-CC41-4F14-A8C8-267F579BF91E}
 		{925DD807-B651-475F-9F7C-CBEB974CE43D} = {3743B0F2-CC41-4F14-A8C8-267F579BF91E}
 		{D35A9F3D-8BB0-496E-BF72-444038A7DEBB} = {C5A00AC3-B34C-4564-9BDD-2DA473EF4D8B}
+		{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298} = {3743B0F2-CC41-4F14-A8C8-267F579BF91E}
+		{F92E55A5-ED73-4CCB-AB4B-0541B6757F31} = {3743B0F2-CC41-4F14-A8C8-267F579BF91E}
 	EndGlobalSection
 EndGlobal
diff --git a/src/Shared/RenderHelpers/ArcToHelper.cs b/src/Shared/RenderHelpers/ArcToHelper.cs
index a708c09ee2..b03b85b227 100644
--- a/src/Shared/RenderHelpers/ArcToHelper.cs
+++ b/src/Shared/RenderHelpers/ArcToHelper.cs
@@ -47,7 +47,6 @@
 // as these may be helpful for debugging.
 
 using System;
-using System.Media;
 using Perspex.Media;
 using Perspex.Platform;
 
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/MainActivity.cs b/src/Skia/Perspex.Skia.Android.TestApp/MainActivity.cs
new file mode 100644
index 0000000000..b2c4244b4e
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/MainActivity.cs
@@ -0,0 +1,71 @@
+using System;
+using Android.App;
+using Android.Content;
+using Android.Graphics;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.OS;
+using Android.Util;
+using Perspex.Media;
+using Perspex.Platform;
+using Perspex;
+
+namespace Perspex.Skia.Android.TestApp
+{
+    [Activity(Label = "Perspex.Skia.Android.TestApp", MainLauncher = true, Icon = "@drawable/icon")]
+    public class MainActivity : Activity
+    {
+        
+        protected override void OnCreate(Bundle bundle)
+        {
+            base.OnCreate(bundle);
+            SetContentView(new MainView(this));
+        }
+
+        class MainView : SkiaView
+        {
+            float _radians = 0;
+            public MainView(Activity context) : base(context)
+            {
+            }
+
+            protected override void OnRender(DrawingContext ctx)
+            {
+                ctx.FillRectangle(Brushes.Green, new Rect(0, 0, Width, Height));
+
+                var rc = new Rect(0, 0, Width/3, Height/3);
+                using (ctx.PushPostTransform(
+                    Perspex.Matrix.CreateTranslation(-Width/6, -Width/6)*
+                    Perspex.Matrix.CreateRotation(_radians)*
+                                             Perspex.Matrix.CreateTranslation(Width/2, Height/2)))
+                {
+                    ctx.FillRectangle(new LinearGradientBrush()
+                    {
+                        GradientStops =
+                        {
+                            new GradientStop() {Color = Colors.Blue},
+                            new GradientStop(Colors.Red, 1)
+                        }
+                    }, rc, 5);
+                }
+
+
+            }
+
+            public override bool OnTouchEvent(MotionEvent e)
+            {
+                if (e.Action == MotionEventActions.Down)
+                    return true;
+                if (e.Action == MotionEventActions.Move)
+                {
+                    _radians = (e.RawY + e.RawY)/100;
+                    Invalidate();
+                    return true;
+                }
+                return base.OnTouchEvent(e);
+            }
+        }
+    }
+}
+
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Perspex.Skia.Android.TestApp.csproj b/src/Skia/Perspex.Skia.Android.TestApp/Perspex.Skia.Android.TestApp.csproj
new file mode 100644
index 0000000000..36cb4b0e0b
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Perspex.Skia.Android.TestApp.csproj
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{F92E55A5-ED73-4CCB-AB4B-0541B6757F31}</ProjectGuid>
+    <ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Perspex.Skia.Android.TestApp</RootNamespace>
+    <AssemblyName>Perspex.Skia.Android.TestApp</AssemblyName>
+    <FileAlignment>512</FileAlignment>
+    <AndroidApplication>true</AndroidApplication>
+    <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
+    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
+    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
+    <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
+    <AndroidLinkMode>None</AndroidLinkMode>
+    <AndroidLinkSkip />
+    <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
+    <BundleAssemblies>False</BundleAssemblies>
+    <AndroidCreatePackagePerAbi>False</AndroidCreatePackagePerAbi>
+    <AndroidSupportedAbis>armeabi-v7a,x86</AndroidSupportedAbis>
+    <AndroidStoreUncompressedFileExtensions />
+    <MandroidI18n />
+    <Debugger>Xamarin</Debugger>
+    <AndroidEnableMultiDex>False</AndroidEnableMultiDex>
+    <DevInstrumentationEnabled>True</DevInstrumentationEnabled>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
+    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Mono.Android" />
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Collections" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Runtime" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="MainActivity.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Resources\Resource.Designer.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Properties\AndroidManifest.xml" />
+    <AndroidResource Include="Resources\layout\Main.axml" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Perspex.Animation\Perspex.Animation.csproj">
+      <Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project>
+      <Name>Perspex.Animation</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Base\Perspex.Base.csproj">
+      <Project>{b09b78d8-9b26-48b0-9149-d64a2f120f3f}</Project>
+      <Name>Perspex.Base</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Controls\Perspex.Controls.csproj">
+      <Project>{d2221c82-4a25-4583-9b43-d791e3f6820c}</Project>
+      <Name>Perspex.Controls</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Input\Perspex.Input.csproj">
+      <Project>{62024b2d-53eb-4638-b26b-85eeaa54866e}</Project>
+      <Name>Perspex.Input</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Interactivity\Perspex.Interactivity.csproj">
+      <Project>{6b0ed19d-a08b-461c-a9d9-a9ee40b0c06b}</Project>
+      <Name>Perspex.Interactivity</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Layout\Perspex.Layout.csproj">
+      <Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project>
+      <Name>Perspex.Layout</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.SceneGraph\Perspex.SceneGraph.csproj">
+      <Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project>
+      <Name>Perspex.SceneGraph</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Styling\Perspex.Styling.csproj">
+      <Project>{f1baa01a-f176-4c6a-b39d-5b40bb1b148f}</Project>
+      <Name>Perspex.Styling</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Perspex.Skia.Android\Perspex.Skia.Android.csproj">
+      <Project>{bd43f7c0-396b-4aa1-bad9-dfde54d51298}</Project>
+      <Name>Perspex.Skia.Android</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\drawable\Icon.png" />
+    <AndroidResource Include="Resources\values\Strings.xml" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+     Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Properties/AndroidManifest.xml b/src/Skia/Perspex.Skia.Android.TestApp/Properties/AndroidManifest.xml
new file mode 100644
index 0000000000..7851069428
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Properties/AndroidManifest.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="Perspex.Skia.Android.TestApp" android:versionCode="1" android:versionName="1.0">
+	<uses-sdk />
+	<application android:label="Perspex.Skia.Android.TestApp" android:icon="@drawable/Icon"></application>
+</manifest>
\ No newline at end of file
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Properties/AssemblyInfo.cs b/src/Skia/Perspex.Skia.Android.TestApp/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000..91f8f0aff6
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Properties/AssemblyInfo.cs
@@ -0,0 +1,30 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Android.App;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Perspex.Skia.Android.TestApp")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Perspex.Skia.Android.TestApp")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Resources/Resource.Designer.cs b/src/Skia/Perspex.Skia.Android.TestApp/Resources/Resource.Designer.cs
new file mode 100644
index 0000000000..948db70042
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Resources/Resource.Designer.cs
@@ -0,0 +1,112 @@
+#pragma warning disable 1591
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+[assembly: global::Android.Runtime.ResourceDesignerAttribute("Perspex.Skia.Android.TestApp.Resource", IsApplication=true)]
+
+namespace Perspex.Skia.Android.TestApp
+{
+	
+	
+	[System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Android.Build.Tasks", "1.0.0.0")]
+	public partial class Resource
+	{
+		
+		static Resource()
+		{
+			global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+		}
+		
+		public static void UpdateIdValues()
+		{
+		}
+		
+		public partial class Attribute
+		{
+			
+			static Attribute()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private Attribute()
+			{
+			}
+		}
+		
+		public partial class Drawable
+		{
+			
+			// aapt resource value: 0x7f020000
+			public const int Icon = 2130837504;
+			
+			static Drawable()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private Drawable()
+			{
+			}
+		}
+		
+		public partial class Id
+		{
+			
+			// aapt resource value: 0x7f050000
+			public const int MyButton = 2131034112;
+			
+			static Id()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private Id()
+			{
+			}
+		}
+		
+		public partial class Layout
+		{
+			
+			// aapt resource value: 0x7f030000
+			public const int Main = 2130903040;
+			
+			static Layout()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private Layout()
+			{
+			}
+		}
+		
+		public partial class String
+		{
+			
+			// aapt resource value: 0x7f040001
+			public const int ApplicationName = 2130968577;
+			
+			// aapt resource value: 0x7f040000
+			public const int Hello = 2130968576;
+			
+			static String()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private String()
+			{
+			}
+		}
+	}
+}
+#pragma warning restore 1591
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Resources/drawable/Icon.png b/src/Skia/Perspex.Skia.Android.TestApp/Resources/drawable/Icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..8074c4c571b8cd19e27f4ee5545df367420686d7
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diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Resources/layout/Main.axml b/src/Skia/Perspex.Skia.Android.TestApp/Resources/layout/Main.axml
new file mode 100644
index 0000000000..98be1643ef
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Resources/layout/Main.axml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+<Button  
+    android:id="@+id/MyButton"
+    android:layout_width="fill_parent" 
+    android:layout_height="wrap_content" 
+    android:text="@string/Hello"
+    />
+</LinearLayout>
diff --git a/src/Skia/Perspex.Skia.Android.TestApp/Resources/values/Strings.xml b/src/Skia/Perspex.Skia.Android.TestApp/Resources/values/Strings.xml
new file mode 100644
index 0000000000..b410746644
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android.TestApp/Resources/values/Strings.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="Hello">Hello World, Click Me!</string>
+    <string name="ApplicationName">Perspex.Skia.Android.TestApp</string>
+</resources>
diff --git a/src/Skia/Perspex.Skia.Android/MethodTable.cs b/src/Skia/Perspex.Skia.Android/MethodTable.cs
new file mode 100644
index 0000000000..0e9d53ac14
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android/MethodTable.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.Graphics;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+
+namespace Perspex.Skia
+{
+    class MethodTableImpl : MethodTable
+    {
+        [DllImport(@"perspesk")]
+        private static extern IntPtr GetPerspexMethodTable();
+        [DllImport(@"perspesk")]
+        private static extern IntPtr PerspexJniInit(IntPtr jniEnv);
+
+        public MethodTableImpl() : base(GetPerspexMethodTable())
+        {
+            PerspexJniInit(JNIEnv.Handle);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Skia/Perspex.Skia.Android/Perspex.Skia.Android.csproj b/src/Skia/Perspex.Skia.Android/Perspex.Skia.Android.csproj
new file mode 100644
index 0000000000..159d42584b
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android/Perspex.Skia.Android.csproj
@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{BD43F7C0-396B-4AA1-BAD9-DFDE54D51298}</ProjectGuid>
+    <ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Perspex.Skia.Android</RootNamespace>
+    <AssemblyName>Perspex.Skia.Android</AssemblyName>
+    <FileAlignment>512</FileAlignment>
+    <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
+    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
+    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Mono.Android" />
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Perspex.Animation\Perspex.Animation.csproj">
+      <Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project>
+      <Name>Perspex.Animation</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Base\Perspex.Base.csproj">
+      <Project>{b09b78d8-9b26-48b0-9149-d64a2f120f3f}</Project>
+      <Name>Perspex.Base</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Controls\Perspex.Controls.csproj">
+      <Project>{d2221c82-4a25-4583-9b43-d791e3f6820c}</Project>
+      <Name>Perspex.Controls</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Input\Perspex.Input.csproj">
+      <Project>{62024b2d-53eb-4638-b26b-85eeaa54866e}</Project>
+      <Name>Perspex.Input</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Interactivity\Perspex.Interactivity.csproj">
+      <Project>{6b0ed19d-a08b-461c-a9d9-a9ee40b0c06b}</Project>
+      <Name>Perspex.Interactivity</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Layout\Perspex.Layout.csproj">
+      <Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project>
+      <Name>Perspex.Layout</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.SceneGraph\Perspex.SceneGraph.csproj">
+      <Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project>
+      <Name>Perspex.SceneGraph</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Perspex.Styling\Perspex.Styling.csproj">
+      <Project>{f1baa01a-f176-4c6a-b39d-5b40bb1b148f}</Project>
+      <Name>Perspex.Styling</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="MethodTable.cs" />
+    <Compile Include="SkiaView.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedNativeLibrary Include="..\native\Android\arm_v7\libperspesk.so">
+      <Link>native\armeabi-v7a\libperspesk.so</Link>
+    </EmbeddedNativeLibrary>
+    <EmbeddedNativeLibrary Include="..\native\Android\x86\libperspesk.so">
+      <Link>native\x86\libperspesk.so</Link>
+    </EmbeddedNativeLibrary>
+  </ItemGroup>
+  <Import Project="..\Perspex.Skia\Perspex.Skia.projitems" Label="Shared" />
+  <Import Project="..\..\Shared\RenderHelpers\RenderHelpers.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/src/Skia/Perspex.Skia.Android/Resources/Resource.Designer.cs b/src/Skia/Perspex.Skia.Android/Resources/Resource.Designer.cs
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/Skia/Perspex.Skia.Android/SkiaView.cs b/src/Skia/Perspex.Skia.Android/SkiaView.cs
new file mode 100644
index 0000000000..934d282e2b
--- /dev/null
+++ b/src/Skia/Perspex.Skia.Android/SkiaView.cs
@@ -0,0 +1,92 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.Graphics;
+using Android.OS;
+using Android.Runtime;
+using Android.Util;
+using Android.Views;
+using Android.Widget;
+using Perspex.Media;
+using Perspex.Platform;
+
+namespace Perspex.Skia.Android
+{
+    public abstract class SkiaView : SurfaceView, ISurfaceHolderCallback
+    {
+        private readonly Activity _context;
+        bool _invalidateQueued;
+        object _lock = new object();
+        public SkiaView(Activity context) : base(context)
+        {
+            _context = context;
+            SkiaPlatform.Initialize();
+            Holder.AddCallback(this);
+        }
+        private IRenderTarget _renderTarget;
+
+        public override void Invalidate()
+        {
+            lock (_lock)
+            {
+                if(_invalidateQueued)
+                    return;
+                _context.RunOnUiThread(() =>
+                {
+                    lock (_lock)
+                    {
+                        _invalidateQueued = false;
+                    }
+                    Draw();
+                });
+            }
+        }
+
+        public override void Invalidate(global::Android.Graphics.Rect dirty)
+        {
+            Invalidate();
+        }
+
+        public override void Invalidate(int l, int t, int r, int b)
+        {
+            Invalidate();
+        }
+
+        public void SurfaceChanged(ISurfaceHolder holder, Format format, int width, int height)
+        {
+            Log.Info("PERSPEX", "Surface Changed");
+            _renderTarget.Resize(width, height);
+            Draw();
+        }
+
+        public void SurfaceCreated(ISurfaceHolder holder)
+        {
+            Log.Info("PERSPEX", "Surface Created");
+            _renderTarget =
+                PerspexLocator.Current.GetService<IPlatformRenderInterface>()
+                    .CreateRenderer(new PlatformHandle(holder.Surface.Handle, "Surface"), Width, Height);
+            Draw();
+        }
+
+        public void SurfaceDestroyed(ISurfaceHolder holder)
+        {
+            Log.Info("PERSPEX", "Surface Destroyed");
+            _renderTarget.Dispose();
+            _renderTarget = null;
+        }
+
+        void Draw()
+        {
+            if(_renderTarget == null)
+                return;
+            using (var ctx = _renderTarget.CreateDrawingContext())
+                OnRender(ctx);
+        }
+
+        protected abstract void OnRender(DrawingContext ctx);
+    }
+}
\ No newline at end of file