loopPlayer.cs

using System;
using System.Drawing;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.MediaPlayer;
using MonoTouch.ObjCRuntime;
using MonoTouch.MessageUI;

namespace VideoPlayer
{
    public partial class VideoPlayerViewController : UIViewController
	{
		public VideoPlayerViewController () : base ("VideoPlayerViewController", null)
		{
		}

		public override void DidReceiveMemoryWarning ()
		{
			// Releases the view if it doesn't have a superview.
			base.DidReceiveMemoryWarning ();
			
			// Release any cached data, images, etc that aren't in use.
		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

		}

		MPMoviePlayerViewController player;

		//MPMoviePlayerViewController player;
		partial void PlayButtonPressed (NSObject sender)
		{
			var url = NSUrl.FromFilename("candle.mp4");
			player = new MPMoviePlayerViewController (url);
			player.MoviePlayer.RepeatMode= MPMovieRepeatMode.One;

			NSNotificationCenter.DefaultCenter.AddObserver(this, new Selector("finishPlayback:"), MPMoviePlayerController.PlaybackDidFinishNotification, player.MoviePlayer);

			PresentMoviePlayerViewController(player);

		}



		[Export("finishPlayback:")]
		public void Method (NSNotification notification)
		{
			Console.WriteLine ("Notification");
			player.MoviePlayer.Play ();
		}
	}
}