- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{

    RootViewController * rootViewController = [[RootViewController alloc] initWithNibName:@"RootViewController" bundle:nil];
    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController];

    UIBarButtonItem *next = [[UIBarButtonItem alloc] initWithTitle:@"Next" style:UIBarButtonItemStyleDone target:nil action:nil];
    navigationController.title = @"Foo";

    navigationController.navigationItem.rightBarButtonItem = next;

    [self.window addSubview:navigationController.view];

    // Override point for customization after application launch.
    [self.window makeKeyAndVisible];
    return YES;


}

navigationController.navigationItem.rightBarButtonItem = next;

rootViewController.navigationItem.rightBarButtonItem = next;