Add Xamarin Forms F# demo

FSharpForms/Droid/Assets/AboutAssets.txt

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+Any raw assets you want to be deployed with your application can be placed in
+this directory (and child directories) and given a Build Action of "AndroidAsset".
+
+These files will be deployed with your package and will be accessible using Android's
+AssetManager, like this:
+
+public class ReadAsset : Activity
+{
+	protected override void OnCreate (Bundle bundle)
+	{
+		base.OnCreate (bundle);
+
+		InputStream input = Assets.Open ("my_asset.txt");
+	}
+}
+
+Additionally, some Android functions will automatically load asset files:
+
+Typeface tf = Typeface.CreateFromAsset (Context.Assets, "fonts/samplefont.ttf");

FSharpForms/Droid/FSharpForms.Droid.fsproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{B5828833-DEF7-4D16-9A2D-475B285D6F29}</ProjectGuid>
+    <ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{F2A71F9B-5D33-465A-A702-920D77279786}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <RootNamespace>FSharpForms.Droid</RootNamespace>
+    <AssemblyName>FSharpForms.Droid</AssemblyName>
+    <TargetFrameworkVersion>v6.0</TargetFrameworkVersion>
+    <AndroidApplication>True</AndroidApplication>
+    <AndroidResgenFile>Resources\Resource.designer.fs</AndroidResgenFile>
+    <AndroidResgenClass>Resource</AndroidResgenClass>
+    <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
+    <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
+    <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
+    <AndroidUseLatestPlatformSdk>true</AndroidUseLatestPlatformSdk>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <ConsolePause>false</ConsolePause>
+    <AndroidLinkMode>None</AndroidLinkMode>
+    <PlatformTarget></PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <DefineConstants></DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <ConsolePause>false</ConsolePause>
+    <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
+    <GenerateTailCalls>true</GenerateTailCalls>
+    <PlatformTarget></PlatformTarget>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="Mono.Android" />
+    <Reference Include="Xamarin.Android.Support.v4">
+      <HintPath>..\packages\Xamarin.Android.Support.v4.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.v4.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.v7.CardView">
+      <HintPath>..\packages\Xamarin.Android.Support.v7.CardView.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.v7.CardView.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.v7.RecyclerView">
+      <HintPath>..\packages\Xamarin.Android.Support.v7.RecyclerView.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.v7.RecyclerView.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.Vector.Drawable">
+      <HintPath>..\packages\Xamarin.Android.Support.Vector.Drawable.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.Vector.Drawable.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.Animated.Vector.Drawable">
+      <HintPath>..\packages\Xamarin.Android.Support.Animated.Vector.Drawable.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.Animated.Vector.Drawable.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.v7.AppCompat">
+      <HintPath>..\packages\Xamarin.Android.Support.v7.AppCompat.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.v7.AppCompat.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.Design">
+      <HintPath>..\packages\Xamarin.Android.Support.Design.23.3.0\lib\MonoAndroid43\Xamarin.Android.Support.Design.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Android.Support.v7.MediaRouter">
+      <HintPath>..\packages\Xamarin.Android.Support.v7.MediaRouter.23.3.0\lib\MonoAndroid403\Xamarin.Android.Support.v7.MediaRouter.dll</HintPath>
+    </Reference>
+    <Reference Include="FormsViewGroup">
+      <HintPath>..\packages\Xamarin.Forms.2.2.0.31\lib\MonoAndroid10\FormsViewGroup.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core">
+      <HintPath>..\packages\Xamarin.Forms.2.2.0.31\lib\MonoAndroid10\Xamarin.Forms.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform.Android">
+      <HintPath>..\packages\Xamarin.Forms.2.2.0.31\lib\MonoAndroid10\Xamarin.Forms.Platform.Android.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform">
+      <HintPath>..\packages\Xamarin.Forms.2.2.0.31\lib\MonoAndroid10\Xamarin.Forms.Platform.dll</HintPath>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml">
+      <HintPath>..\packages\Xamarin.Forms.2.2.0.31\lib\MonoAndroid10\Xamarin.Forms.Xaml.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\FSharpForms\FSharpForms.fsproj">
+      <Project>{F78B0C87-0BCE-4462-908C-788BF93289E7}</Project>
+      <Name>FSharpForms</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="MainActivity.fs" />
+    <Compile Include="Resources\Resource.designer.fs" />
+    <Compile Include="Properties\AssemblyInfo.fs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\AboutResources.txt" />
+    <None Include="Properties\AndroidManifest.xml" />
+    <None Include="Assets\AboutAssets.txt" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Resources\layout\" />
+    <Folder Include="Resources\values\" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\drawable\icon.png" />
+    <AndroidResource Include="Resources\drawable-hdpi\icon.png" />
+    <AndroidResource Include="Resources\drawable-xhdpi\icon.png" />
+    <AndroidResource Include="Resources\drawable-xxhdpi\icon.png" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.FSharp.targets" />
+  <Import Project="..\packages\Xamarin.Android.Support.Vector.Drawable.23.3.0\build\Xamarin.Android.Support.Vector.Drawable.targets" Condition="Exists('..\packages\Xamarin.Android.Support.Vector.Drawable.23.3.0\build\Xamarin.Android.Support.Vector.Drawable.targets')" />
+  <Import Project="..\packages\Xamarin.Forms.2.2.0.31\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\packages\Xamarin.Forms.2.2.0.31\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
+</Project>

FSharpForms/Droid/MainActivity.fs

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+namespace FSharpForms.Droid
+open System;
+
+open Android.App;
+open Android.Content;
+open Android.Content.PM;
+open Android.Runtime;
+open Android.Views;
+open Android.Widget;
+open Android.OS;
+
+[<Activity (Label = "FSharpForms.Droid", Icon = "@drawable/icon", MainLauncher = true, ConfigurationChanges = (ConfigChanges.ScreenSize ||| ConfigChanges.Orientation))>]
+type MainActivity() =
+    inherit Xamarin.Forms.Platform.Android.FormsApplicationActivity()
+    override this.OnCreate (bundle: Bundle) =
+        base.OnCreate (bundle)
+
+        Xamarin.Forms.Forms.Init (this, bundle)
+
+        this.LoadApplication (new FSharpForms.App ())
+

FSharpForms/Droid/Properties/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.company.fsharpforms">
+	<uses-sdk android:minSdkVersion="15" />
+	<application android:label="FSharpForms">
+	</application>
+</manifest>

FSharpForms/Droid/Properties/AssemblyInfo.fs

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+namespace FSharpForms.Droid
+open System.Reflection
+open System.Runtime.CompilerServices
+
+[<assembly: AssemblyTitle("FSharpForms.Droid")>]
+[<assembly: AssemblyDescription("")>]
+[<assembly: AssemblyConfiguration("")>]
+[<assembly: AssemblyCompany("")>]
+[<assembly: AssemblyProduct("")>]
+[<assembly: AssemblyCopyright("jonwood")>]
+[<assembly: AssemblyTrademark("")>]
+
+// The assembly version has the format {Major}.{Minor}.{Build}.{Revision}
+
+[<assembly: AssemblyVersion("1.0.0.0")>]
+
+//[<assembly: AssemblyDelaySign(false)>]
+//[<assembly: AssemblyKeyFile("")>]
+
+()

FSharpForms/Droid/Resources/AboutResources.txt

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+Images, layout descriptions, binary blobs and string dictionaries can be included 
+in your application as resource files.  Various Android APIs are designed to 
+operate on the resource IDs instead of dealing with images, strings or binary blobs 
+directly.
+
+For example, a sample Android app that contains a user interface layout (main.axml),
+an internationalization string table (strings.xml) and some icons (drawable-XXX/icon.png) 
+would keep its resources in the "Resources" directory of the application:
+
+Resources/
+    drawable/
+        icon.png
+
+    layout/
+        main.axml
+
+    values/
+        strings.xml
+
+In order to get the build system to recognize Android resources, set the build action to
+"AndroidResource".  The native Android APIs do not operate directly with filenames, but 
+instead operate on resource IDs.  When you compile an Android application that uses resources, 
+the build system will package the resources for distribution and generate a class called "R" 
+(this is an Android convention) that contains the tokens for each one of the resources 
+included. For example, for the above Resources layout, this is what the R class would expose:
+
+public class R {
+    public class drawable {
+        public const int icon = 0x123;
+    }
+
+    public class layout {
+        public const int main = 0x456;
+    }
+
+    public class strings {
+        public const int first_string = 0xabc;
+        public const int second_string = 0xbcd;
+    }
+}
+
+You would then use R.drawable.icon to reference the drawable/icon.png file, or R.layout.main 
+to reference the layout/main.axml file, or R.strings.first_string to reference the first 
+string in the dictionary file values/strings.xml.