@implementation TestBedViewController
- (void) performDismiss
{
    [baseAlert dismissWithClickedButtonIndex:0 animated:NO];
}

- (void) action: (UIBarButtonItem *) item
{
    baseAlert = [[[UIAlertView alloc]
    initWithTitle:@"Please Wait" message:nil
    delegate:self cancelButtonTitle:nil
    otherButtonTitles: nil] autorelease];
    [baseAlert show];

    // Create and add the activity indicator
    UIActivityIndicatorView *aiv = [[UIActivityIndicatorView alloc]
      initWithActivityIndicatorStyle:
      UIActivityIndicatorViewStyleWhiteLarge];
    aiv.center = CGPointMake(baseAlert.bounds.size.width / 2.0f,
      baseAlert.bounds.size.height - 40.0f);
    [aiv startAnimating];
    [baseAlert addSubview:aiv];
    [aiv release];

    // Auto dismiss after 3 seconds
    [self performSelector:@selector(performDismiss) withObject:nil
      afterDelay:3.0f];
}

// ...Other

@end