didFinishLaunchingWithOptions to kick ViewController.

gistfile1.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    _window.rootViewController = [[ViewController alloc] initWithNibName:@"ViewController" bundle:nil];
    [_window makeKeyAndVisible];
    return YES;
}