// Pick Place button handler
partial         void pickPlaceClick(NSObject sender)
        {
            Console.WriteLine("pickPlaceClick");
            FBPlacePickerViewController placePickerController = new FBPlacePickerViewController();
            placePickerController.Title = @"Pick a Seattle Place";
            placePickerController.LocationCoordinate = new CLLocationCoordinate2D(47.6097, -122.3331);
            placePickerController.LoadData();
            placePickerController.PresentModally(this, true, delegate(FBViewController sender2, bool donePressed) {
                if (!donePressed)
                {
                    return;
                }

                //FBGraphObject place = placePickerController.Selection.ObjectForKey(new NSString("name")).ToString()
                UIAlertView alert = new UIAlertView(@"You Picked:", placePickerController.Selection.ObjectForKey(new NSString("name")).ToString(), null, @"Ok", null);
                alert.Show();
            });
        }
		// Using native PlacePicker Controller
		void PlacePicker ()
		{
			var placeController = new FBPlacePickerViewController () {
				Title = "Pick a place",
				LocationCoordinate = new CLLocationCoordinate2D (37.453827, -122.182187), // Hard code current location to Menlo Park, CA
				RadiusInMeters = 1000, // Configure the additional search parameters
				ResultsLimit = 50,
				SearchText = "Coffee"
			};

			placeController.LoadData ();
			placeController.PresentModallyFromViewController (this, true, (sender, donePressed) => {
				if (!donePressed) 
					InvokeOnMainThread (() => new UIAlertView ("Error", "User canceled.", null, "Ok", null).Show ());
				else {
					var ctrl = sender as FBPlacePickerViewController;

					if (ctrl.Selection == null) {
						InvokeOnMainThread (() => new UIAlertView ("Hey!", "You haven't selected any place...", null, "Ok", null).Show ());
					} else {
						InvokeOnMainThread (() => new UIAlertView ("Success", "You Picked " + ctrl.Selection.GetName(), null, "Ok", null).Show ());
					}
				}
			});
		}
        public override void ViewDidUnload()
        {
            base.ViewDidUnload ();

            // Clear any references to subviews of the main view in order to
            // allow the Garbage Collector to collect them sooner.
            //
            // e.g. myOutlet.Dispose (); myOutlet = null;

            NSNotificationCenter.DefaultCenter.RemoveObserver(this);
            friendPickerController = null;
            placePickerController = null;
            imagePicker = null;

            ReleaseDesignerOutlets ();
        }