VeloeAvaloniaKemonoPartyApplication/VeloeAvaloniaKemonoPartyApp/VeloeAvaloniaKemonoPartyApp/App.axaml.cs

using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
using HanumanInstitute.MvvmDialogs;
using HanumanInstitute.MvvmDialogs.Avalonia;
using HanumanInstitute.MvvmDialogs.Avalonia.MessageBox;
using Splat;
using VeloeAvaloniaKemonoPartyApp.ViewModels;
using VeloeAvaloniaKemonoPartyApp.Views;

namespace VeloeAvaloniaKemonoPartyApp
{
    public partial class App : Application
    {
        public override void Initialize()
        {
            AvaloniaXamlLoader.Load(this);

            var build = Locator.CurrentMutable;
            build.RegisterLazySingleton(() => (IDialogService)new DialogService(
                new DialogManager(
                    viewLocator: ApplicationLifetime is IClassicDesktopStyleApplicationLifetime ? new Dialogs.ViewLocatorDesktop() : new Dialogs.ViewLocatorSingle(),
                    dialogFactory: new DialogFactory().AddMessageBox(MessageBoxMode.Popup)),
                viewModelFactory: x => Locator.Current.GetService(x)));

            SplatRegistrations.Register<CreatorsViewModel>();
            SplatRegistrations.Register<CreatorPostsViewModel>();
            SplatRegistrations.SetupIOC();
        }

        public override void OnFrameworkInitializationCompleted()
        {
            DialogService.Show(null, CreatorsViewModel);

            base.OnFrameworkInitializationCompleted();
        }

        public static MainViewModel MainViewModel => Locator.Current.GetService<MainViewModel>()!;

        public static CreatorsViewModel CreatorsViewModel => Locator.Current.GetService<CreatorsViewModel>()!;

        public static CreatorPostsViewModel CreatorPostsViewModel => Locator.Current.GetService<CreatorPostsViewModel>()!;
        private static IDialogService DialogService => Locator.Current.GetService<IDialogService>()!;
        public static StrongViewLocator ViewLocator { get; private set; } = default!;
    }
}