gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;

using MonoTouch.Foundation;
using MonoTouch.UIKit;

namespace TestTimer
{
  // The UIApplicationDelegate for the application. This class is responsible for launching the 
	// User Interface of the application, as well as listening (and optionally responding) to 
	// application events from iOS.
	[Register ("AppDelegate")]
	public partial class AppDelegate : UIApplicationDelegate
	{
		// class-level declarations
		UIWindow window;

		//
		// This method is invoked when the application has loaded and is ready to run. In this 
		// method you should instantiate the window, load the UI into it and then make the window
		// visible.
		//
		// You have 17 seconds to return from this method, or iOS will terminate your application.
		//
		
		UILabel view;
		int seconds = 0;
		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			// create a new window instance based on the screen size
			window = new UIWindow (UIScreen.MainScreen.Bounds);
			
			// If you have defined a view, add it here:
			// window.AddSubview (navigationController.View);
			// make the window visible
			view = new UILabel (window.Bounds){BackgroundColor = UIColor.White, TextColor = UIColor.Black};
			window.AddSubview (view);
			NSTimer.CreateRepeatingScheduledTimer (1, delegate {
				view.Text = seconds.ToString();
				seconds ++;
				Console.WriteLine(NSThread.IsMain);
			});
			window.MakeKeyAndVisible ();
			
			return true;
		}
	}
}