About and credit page implementation. Adjusted block screen and launch screen logo margins up some. Added decryption message to extension loading.

src/Android/Android.csproj

@@ -271,6 +271,7 @@
     <Compile Include="Controls\ExtendedEntryRenderer.cs" />
     <Compile Include="MainApplication.cs" />
     <Compile Include="Resources\Resource.Designer.cs" />
+    <Compile Include="Services\AppInfoService.cs" />
     <Compile Include="Services\ClipboardService.cs" />
     <Compile Include="Services\KeyStoreStorageService.cs" />
     <Compile Include="MainActivity.cs" />

src/Android/MainApplication.cs

@@ -124,6 +124,7 @@ namespace Bit.Android
                 .RegisterType<IPasswordGenerationService, PasswordGenerationService>(new ContainerControlledLifetimeManager())
                 .RegisterType<IReflectionService, ReflectionService>(new ContainerControlledLifetimeManager())
                 .RegisterType<ILockService, LockService>(new ContainerControlledLifetimeManager())
+                .RegisterType<IAppInfoService, AppInfoService>(new ContainerControlledLifetimeManager())
                 // Repositories
                 .RegisterType<IFolderRepository, FolderRepository>(new ContainerControlledLifetimeManager())
                 .RegisterType<IFolderApiRepository, FolderApiRepository>(new ContainerControlledLifetimeManager())

src/Android/Services/AppInfoService.cs

@@ -0,0 +1,14 @@
+using Bit.App.Abstractions;
+using AndrodApp = Android.App.Application;
+
+namespace Bit.Android.Services
+{
+    public class AppInfoService : IAppInfoService
+    {
+        public string Version => AndrodApp.Context.ApplicationContext.PackageManager
+            .GetPackageInfo(AndrodApp.Context.PackageName, 0).VersionName;
+
+        public string Build => AndrodApp.Context.ApplicationContext.PackageManager
+            .GetPackageInfo(AndrodApp.Context.PackageName, 0).VersionCode.ToString();
+    }
+}