NinjectIosDependenciesProvider.cs

public class NinjectIosDependenciesProvider : NinjectDependenciesProvider
{
    protected override IEnumerable<INinjectModule> GetPlatformSpecificModules()
    {
        return new[] { new IosNinjectModule() };
    }

    protected override IEnumerable<INinjectModule> GetPortableNinjectModules()
    {
        return new[] { new CommonDependenciesModule() };
    }
}