exception.cs

using System;
using Android.App;
using Android.Widget;
using Android.OS;
using Java.Lang;

namespace UnhandledCrash
{
	[Activity (Label = "UnhandledCrash", MainLauncher = true)]
	public class MainActivity : Activity
	{
		private ImageView image;
		private const string TAG = "UnhandledCrash";

		protected override void OnCreate (Bundle bundle)
		{
			base.OnCreate (bundle);

			Thread.DefaultUncaughtExceptionHandler = new ExceptionHandler ();

			// Set our view from the "main" layout resource
			SetContentView (Resource.Layout.Main);

			// prepare the crash
			image = FindViewById<ImageView> (Resource.Id.myImage);

			// Get our button from the layout resource,
			// and attach an event to it
			Button button = FindViewById<Button> (Resource.Id.myButton);

			button.Click += delegate {
				// cause a crash by using wrong layoutParams. the problem is that the crash seems not to be catched
				image.LayoutParameters = new RelativeLayout.LayoutParams (300, 300);
			};


		}
	}

	public class ExceptionHandler : Java.Lang.Object, Thread.IUncaughtExceptionHandler
	{
		public void UncaughtException (Thread thread, Throwable ex)
		{
			Console.WriteLine (ex.ToString ());
		}
	}
}