次のコードを使用して同じ操作を行うことができます。
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
TablelViewController *viewController1 = [[TablelViewController alloc] initWithNibName:@"TablelViewController" bundle:nil];
UINavigationController *navigationController1 = [[UINavigationController alloc] initWithRootViewController:viewController1];
TableViewController2 *viewController2 = [[TableViewController2 alloc] initWithNibName:@"TableViewController2" bundle:nil];
UINavigationController *navigationController2 = [[UINavigationController alloc] initWithRootViewController:viewController2];
self.tabBarController = [[UITabBarController alloc] init];
self.tabBarController.viewControllers = [NSArray arrayWithObjects:navigationController1, navigationController2, nil];
self.window.rootViewController = self.tabBarController;
[self.window makeKeyAndVisible];
このコードは、に行く: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions