Change Initial View Controller at App Startup

change-initial-vc-at-startup

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    
    NSLog( @"Window: %@", self.window.rootViewController );
    
    self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
    
    UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    
    UIViewController *viewController = [storyboard instantiateViewControllerWithIdentifier:@"MapKitNavigationController"];
    
    self.window.rootViewController = viewController;
    [self.window makeKeyAndVisible];
    
    return YES;
    
}