public MapViewController (IntPtr handle) : base (handle)
		{
			houseService = new HouseService ();
			imageCacheRepo = new HouseImageCacheRepository ();
			this.mapFilter = MapFilter.All;
			this.NavigationItem.BackBarButtonItem = new UIBarButtonItem ("Back", UIBarButtonItemStyle.Plain,null);
			isAdmin =  NSBundle.MainBundle.ObjectForInfoDictionary("AllowAddNew").ToString() == "1";
		}
		public HouseDetailsViewController (IntPtr handle) : base (handle)
		{
			var documents = Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments);
			var library = Path.Combine (documents, "..", "Library");
			housesLikeFilename = Path.Combine (library, "HousesLiked.txt");
			if (File.Exists (housesLikeFilename))
				housesLiked = File.ReadAllText (housesLikeFilename).Split (';').ToList ();
			else
				housesLiked = new List<string>();

			imageCacheRepo = new HouseImageCacheRepository ();
		}