AppContainer.cs

using System;
using App.Common.Core.ViewModels;
using App.Common.Core.Services.Network;
using App.Common.Core.Services.Data;
using Autofac;
using Xamarin.Forms;
using System.Reflection;
using App.Common.Core.Services.App;

#if AUTOMATION
using App.Common.Core.Services.Mock;
#endif

namespace App.Common.Core
{
	public class AppContainer
	{
		private static readonly Lazy<AppContainer> _appContainer = new Lazy<AppContainer>(() => new AppContainer());
		private IContainer _container;

		private AppContainer()
		{
			var builder = new ContainerBuilder();

            LoadServices(builder);
            LoadViewModels(builder);

            _container = builder.Build();
		}

		public static AppContainer Instance => _appContainer.Value;

		private void LoadServices(ContainerBuilder builder)
		{
			
#if AUTOMATION
			builder.RegisterType<MockNetworkService>().As<INetworkService>().SingleInstance();
#else
			builder.RegisterType<NetworkService>().As<INetworkService>().SingleInstance();
#endif

			builder.RegisterType<AnimeNetworkService>().As<IAnimeNetworkService>().SingleInstance();
			builder.RegisterType<AnimeService>().As<IAnimeService>().SingleInstance();
			builder.RegisterType<NavigationService>().As<INavigationService>().SingleInstance();
		}


		private void LoadViewModels(ContainerBuilder builder)
		{
			builder.RegisterType<BaseViewModel>();
			builder.RegisterType<AllItemsViewModel>();
			builder.RegisterType<SearchViewModel>();
        }

		public void LoadViewModel(BindableObject view)
		{
			var viewModel = _container.Resolve(Type.GetType($"{view.GetType().FullName.Replace(".Views.", ".ViewModels.")}Model, {view.GetType().GetTypeInfo().Assembly.FullName}"));
			view.BindingContext = viewModel;
		}

        public T Resolve<T>()
		{
			return _container.Resolve<T>();
		}

    }
}