unbalanced.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    UIStoryboard *destinationChooser = [UIStoryboard storyboardWithName:@"DestinationChooser" bundle:nil];
    self.window.rootViewController = [destinationChooser instantiateInitialViewController];
    [self.window makeKeyAndVisible];
    
    if (![[AfarCurrentUser sharedCurrentUser] isSignedIn]) {
        UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Welcome" bundle:nil];
        UINavigationController *nav = [storyboard instantiateInitialViewController];

        WelcomeViewController *welcome = (WelcomeViewController *)nav.topViewController;
        welcome.presentationContext = AuthenticationPresentationContextSplash;

        // ******* a little hack to have this run with no delay on the next run loop.
        // ******* prevents a warning about 'Unbalanced calls to begin/end appearance transitions for UINavigationController'
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
            [self.window.rootViewController presentViewController:nav animated:false completion:nil];
        });
    } else {
        presentOtherScreenAfterWelcome();
    }
    
    return true;
}