protected override void OnResume()
		{
			base.OnResume ();

			// Start LocListener
			if (locListener == null)
			{
				locListener = new LocListener (GetSystemService (Context.LocationService) as LocationManager);
				locListener.LocationChanged += OnRefreshLocation;
			}
		}
		protected override void OnStop()
		{
			base.OnStop ();

			// Stop LocListener
			if (locListener != null)
			{
				locListener.LocationChanged -= OnRefreshLocation;
				locListener = null;
			}
		}