Sanitize usage sample. You can see how this constraints caused by Xamarin.Android package naming policy is stupid.

Author: atsushieno

Binding/ArchitectureComponentsSample/ArchitectureComponentsSample.csproj

@@ -18,6 +18,7 @@
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <AndroidPackageNamingPolicy>Lowercase</AndroidPackageNamingPolicy>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -39,8 +40,8 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AndroidManagedSymbols>true</AndroidManagedSymbols>
-    <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
     <IntermediateOutputPath>obj\Release</IntermediateOutputPath>
+    <AndroidSupportedAbis>x86</AndroidSupportedAbis>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />

Binding/ArchitectureComponentsSample/MainActivity.cs

@@ -9,9 +9,6 @@
 namespace ArchitectureComponentsSample
 {
 	[Activity (Label = "ArchitectureComponentsSample", MainLauncher = true)]
-	// FIXME: this requiring [Register] attribute it really stupid and Xamarin.Android team should immediately stop package name mangling into MD5
-	// or fix PackageNamingPolicy related bug that it is disregarded at all.
-	[global::Android.Runtime.Register ("architecturecomponentssample.MainActivity")]
 	public class MainActivity : LifecycleActivity
 	{
 		protected override void OnCreate(Bundle savedInstanceState)
@@ -28,9 +25,6 @@ protected override void OnCreate(Bundle savedInstanceState)
 
 	// FIXME: this should not be public. [InternalsVisibleTo] is generated for the extensibility dll
 	// within this app before build, but it does not seem to work yet.
-	// FIXME: this requiring [Register] attribute it really stupid and Xamarin.Android team should immediately stop package name mangling into MD5
-	// or fix PackageNamingPolicy related bug that it is disregarded at all.
-	[global::Android.Runtime.Register ("architecturecomponentssample.TestObserver")]
 	public class TestObserver : Java.Lang.Object, ILifecycleObserver
 	{
 		[OnLifecycleEvent (OnLifecycleEvent.OnAny)]