title: Changing "initWithNibName" to "storyboardWithName"
body: <p>I followed some tutorial to create an open doors animation during the app launch but it's calling an</p>
  
  <p>xib file and I want to call storyboard and I don' have enough experience with this.
  Here's my code</p>
  
  <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
  {
      self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
      // Override point for customization after application launch.
      self.viewController = [[[OpenDoorsViewController alloc] initWithNibName:@"OpenDoorsViewController" bundle:nil] autorelease];
      self.window.rootViewController = self.viewController;
      [self.window makeKeyAndVisible];
      return YES;
  }
  </code></pre>