- (void)viewDidLoad {
    [super viewDidLoad];
    NSLog(@"viewDidLoad");
    // Tell the UIDevice to send notifications when the orientation changes
    [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:nil];
}

// tell the director that the orientation has changed
- (void) orientationChanged:(NSNotification *)notification
{
    NSLog(@"orientationChanged");
}