PCL-Communist/CrossPlatform/PCL.Communist/App.axaml.cs

using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
using PCL.Communist.ViewModels;
using PCL.Communist.Views;

namespace PCL.Communist;

public partial class App : Application
{
    private MainViewModel? _viewModel;
    public override void Initialize()
    {
        AvaloniaXamlLoader.Load(this);
    }

    public override void OnFrameworkInitializationCompleted()
    {
        _viewModel ??= new MainViewModel();
        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
        {
            desktop.MainWindow = new MainWindow
            {
                DataContext = _viewModel
            };
        }
        else if (ApplicationLifetime is IActivityApplicationLifetime singleViewFactoryApplicationLifetime)
        {
            singleViewFactoryApplicationLifetime.MainViewFactory = () => new MainView { DataContext = _viewModel };
        }
        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
        {
            singleViewPlatform.MainView = new MainView
            {
                DataContext = _viewModel
            };
        }

        base.OnFrameworkInitializationCompleted();
    }
}