raygun-mapp

You can then inspect the state of the application, such as variable values and the call stack.

dotnet add package Raygun4Maui

using Raygun4Maui;

var builder = MauiApp.CreateBuilder();
builder
    .UseMauiApp<App>()
    ...
    .AddRaygun();


var builder = MauiApp.CreateBuilder();
builder
    .UseMauiApp<App>()
    ...
    .AddRaygun(options => {
    options.RaygunSettings.ApiKey = "PlhuoFGvMtGkI87xxnDA";
    options.RaygunSettings.CatchUnhandledExceptions = true;
})

MauiProgram.cs

using Microsoft.Extensions.Logging;
using Raygun4Maui;

namespace Mapp
{
    public static class MauiProgram
    {
        public static MauiApp CreateMauiApp()
        {
            var builder = MauiApp.CreateBuilder();
            builder
                .UseMauiApp<App>()
                .ConfigureFonts(fonts =>
                {
                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
                })
                .AddRaygun(options =>
                {
                    options.RaygunSettings.ApiKey = "PlhuoFGvMtGkI87xxnDA";
                    options.RaygunSettings.CatchUnhandledExceptions = true;
                });

#if DEBUG
            builder.Logging.AddDebug();
#endif

            return builder.Build();
        }
    }
}

MainPage.xaml.cs1

namespace Mapp
{
    public partial class MainPage : ContentPage
    {
        int count = 0;

        public MainPage()
        {
            InitializeComponent();
        }

        private void OnCounterClicked(object sender, EventArgs e)
        {
            count++;

            if (count == 1)
                CounterBtn.Text = $"Clicked {count} time";
            else
                CounterBtn.Text = $"Clicked {count} times";

            SemanticScreenReader.Announce(CounterBtn.Text);


            if (count == 2)
            {
                throw new Exception("exception");
            }

        }
    }

}

MainPage.xaml.cs2

namespace Mapp
{
    public partial class MainPage : ContentPage
    {
        int count = 0;

        public MainPage()
        {
            InitializeComponent();
        }

        private void OnCounterClicked(object sender, EventArgs e)
        {
            count++;

            // Triggering an unhandled exception (ArrayIndexOutOfRangeException)
            int[] numbers = new int[3];
            Console.WriteLine(numbers[5]);  // This will throw an IndexOutOfRangeException

            // Update the button text (this won't be reached)
            if (count == 1)
                CounterBtn.Text = $"Clicked {count} time";
            else
                CounterBtn.Text = $"Clicked {count} times";

            // This line will never be reached because of the exception above
            SemanticScreenReader.Announce(CounterBtn.Text);
        }
    }
}