Add sample demonstrating how to create a custom class that will buffe…

…r all the triangle and line vertices so they can be re-used later if need be.

There is an feature enhancment setup here: mono/CocosSharp#293

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.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 you 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");

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.Droid/DrawNodeBuffer.Droid.csproj

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+<?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>{3F85C462-7BE3-4D71-8F06-28106F07B74D}</ProjectGuid>
+    <ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>DrawNodeBuffer.Droid</RootNamespace>
+    <AssemblyName>DrawNodeBuffer.Droid</AssemblyName>
+    <FileAlignment>512</FileAlignment>
+    <AndroidApplication>true</AndroidApplication>
+    <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
+    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
+    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <AndroidStoreUncompressedFileExtensions />
+    <MandroidI18n />
+    <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\Android\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;ANDROID</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AndroidUseSharedRuntime>True</AndroidUseSharedRuntime>
+    <AndroidLinkMode>None</AndroidLinkMode>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Android\Release\</OutputPath>
+    <DefineConstants>TRACE;ANDROID</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
+    <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="box2d, Version=1.2.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\CocosSharp.PCL.Shared.1.5.0.1\lib\MonoAndroid10\box2d.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="CocosSharp, Version=1.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\CocosSharp.PCL.Shared.1.5.0.1\lib\MonoAndroid10\CocosSharp.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Lidgren.Network, Version=2012.1.7.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\CocosSharp.PCL.Shared.1.5.0.1\lib\MonoAndroid10\Lidgren.Network.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Mono.Android" />
+    <Reference Include="MonoGame.Framework, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\CocosSharp.PCL.Shared.1.5.0.1\lib\MonoAndroid10\MonoGame.Framework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="mscorlib" />
+    <Reference Include="OpenTK" />
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Resources\Resource.Designer.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidAsset Include="Assets\Content\fonts\MarkerFelt-22.xnb" />
+    <None Include="packages.config" />
+    <None Include="Resources\AboutResources.txt" />
+    <None Include="Assets\AboutAssets.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\Values\Strings.xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Assets\Content\hd\animations\" />
+    <Folder Include="Assets\Content\hd\fonts\" />
+    <Folder Include="Assets\Content\hd\images\" />
+    <Folder Include="Assets\Content\ld\animations\" />
+    <Folder Include="Assets\Content\ld\fonts\" />
+    <Folder Include="Assets\Content\ld\images\" />
+    <Folder Include="Assets\Content\sounds\" />
+    <Folder Include="Resources\Layout\" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\Drawable\Splash.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\Values\Styles.xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\Drawable\icon.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\DrawNodeBuffer\DrawNodeBuffer.csproj">
+      <Name>DrawNodeBuffer</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Properties\AndroidManifest.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>

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.Droid/Program.cs

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+using System;
+using System.Diagnostics;
+
+using Android.Content.PM;
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Provider;
+using Android.Views;
+using Android.Widget;
+using Uri = Android.Net.Uri;
+using Microsoft.Xna.Framework;
+
+using CocosSharp;
+using DrawNodeBuffer;
+
+namespace DrawNodeBuffer.Droid
+{
+
+    [Activity(Label = "DrawNodeBuffer.Droid"
+        , MainLauncher = true
+        , Icon = "@drawable/icon"
+        , Theme = "@style/Theme.Splash"
+        , AlwaysRetainTaskState = true
+        , LaunchMode = Android.Content.PM.LaunchMode.SingleInstance
+        , ScreenOrientation = ScreenOrientation.SensorLandscape
+        , ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden)]
+    public class Program : AndroidGameActivity
+    {
+
+        protected override void OnCreate(Bundle bundle)
+        {
+            base.OnCreate(bundle);
+
+            CCApplication application = new CCApplication();
+			application.ApplicationDelegate = new AppDelegate();
+
+			this.SetContentView(application.AndroidContentView);
+
+			application.StartGame();
+
+        }        
+    }
+
+
+}
+

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.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" package="DrawNodeBuffer.Droid" android:versionCode="1" android:versionName="1.0">
+	<uses-sdk />
+	<application android:label="DrawNodeBuffer.Droid" android:icon="@drawable/Icon"></application>
+</manifest>

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.Droid/Properties/AssemblyInfo.cs

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+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("DrawNodeBuffer.Droid")]
+[assembly: AssemblyProduct("DrawNodeBuffer.Droid")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyCopyright("Copyright ©  2013")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("ad7890a1-a4cd-423c-9e5a-4dc7ff1bcc21")]
+
+// 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")]
+
+// Add some common permissions, these can be removed if not needed
+[assembly: UsesPermission(Android.Manifest.Permission.Internet)]
+[assembly: UsesPermission(Android.Manifest.Permission.WriteExternalStorage)]

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.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.xml),
+an internationalization string table (Strings.xml) and some icons (drawable/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, the build action should be set 
+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
+"Resource" that contains the tokens for each one of the resources included. For example, 
+for the above Resources layout, this is what the Resource class would expose:
+
+public class Resource {
+    public class Drawable {
+        public const int Icon = 0x123;
+    }
+
+    public class Layout {
+        public const int Main = 0x456;
+    }
+
+    public class String {
+        public const int FirstString = 0xabc;
+        public const int SecondString = 0xbcd;
+    }
+}
+
+You would then use Resource.Drawable.Icon to reference the Drawable/Icon.png file, or 
+Resource.Layout.Main to reference the Layout/Main.axml file, or Resource.String.FirstString
+to reference the first string in the dictionary file Values/Strings.xml.

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.Droid/Resources/Values/Strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="ApplicationName">DrawNodeBuffer.Droid</string>
+</resources>

DrawNodeBuffer/DrawNodeBuffer/DrawNodeBuffer.Droid/Resources/Values/Styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <style name="Theme.Splash" parent="android:Theme">
+    <item name="android:windowBackground">@drawable/splash</item>
+    <item name="android:windowNoTitle">true</item>
+  </style>
+</resources>