prs/PRS.Avalonia/PRS.Avalonia/App.axaml.cs

using System;
using System.Linq;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Data.Core.Plugins;
using Avalonia.Markup.Xaml;
using Comal.Classes;
using InABox.Avalonia;
using InABox.Core;
using PRS.Avalonia.Modules;
using GeoFence = Comal.Classes.GeoFence;

namespace PRS.Avalonia;

public class App : Application
{
    public static GeoFence? GPS => null;

    public override void Initialize()
    {
        TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
        MobileLogging.LogException += MobileLogging_LogException;

        CoreUtils.RegisterClasses();
        ComalUtils.RegisterClasses();
        CoreUtils.RegisterClasses(typeof(App).Assembly);
        
        AvaloniaXamlLoader.Load(this);
    }

    private void MobileLogging_LogException(Exception ex, string? tag)
    {
        HandleException(ex);
    }

    private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
    {
        HandleException(e.Exception);
    }

    public static void HandleException(Exception e)
    {
        MobileLogging.LogError(CoreUtils.FormatException(e));
    }

    public override void OnFrameworkInitializationCompleted()
    {
        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
        {
            // Avoid duplicate validations from both Avalonia and the CommunityToolkit. 
            // More info: https://docs.avaloniaui.net/docs/guides/development-guides/data-validation#manage-validationplugins
            DisableAvaloniaDataAnnotationValidation();
            desktop.MainWindow = new MainWindow
            {
                DataContext = new MainViewModel(),
                Width = 400,
                Height = 700,
                WindowStartupLocation = WindowStartupLocation.CenterScreen
            };
        }
        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
        {
            singleViewPlatform.MainView = new MainView
            {
                DataContext = new MainViewModel()
            };
        }

        base.OnFrameworkInitializationCompleted();
    }

    private void DisableAvaloniaDataAnnotationValidation()
    {
        // Get an array of plugins to remove
        var dataValidationPluginsToRemove =
            BindingPlugins.DataValidators.OfType<DataAnnotationsValidationPlugin>().ToArray();

        // remove each entry found
        foreach (var plugin in dataValidationPluginsToRemove) BindingPlugins.DataValidators.Remove(plugin);
    }
}