I am trying to add an activity indicator during startup. I did have a launch image, but I'd rather have just an indicator alone. I added the following to my app delegate, but the indicator doesn't appear.
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// *******Create activity indicator****
UIActivityIndicatorView *activity = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(225, 115, 30, 30)];
[activity setBackgroundColor:[UIColor clearColor]];
[activity setActivityIndicatorViewStyle: UIActivityIndicatorViewStyleGray];
[window addSubview: activity];
[activity release];
[activity startAnimating];
activity.hidden = FALSE;
// *******End activity indicator****
MainViewController *viewController = [[MainViewController alloc] initWithNibName:@"MainView" bundle:nil];
self.mainViewController = viewController;
[window addSubview:[mainViewController view]];
mainViewController.view.frame = CGRectMake(0, 20, 320, 411);
[window addSubview:[rootController view]];
[window makeKeyAndVisible];
#if !TARGET_IPHONE_SIMULATOR
[application registerForRemoteNotificationTypes:
UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound];
#endif
application.applicationIconBadgeNumber = 0;
// Hide indicator
[viewController release];
activity.hidden = TRUE;
[activity stopAnimating];
return YES;
}
I visited this question from back in 2009, but the solution didn't work for me. iPhone-SDK:Activity Indicator during Startup?
See Question&Answers more detail:os