skip login

//inside didFinishLaunchingWithOptions in deleagte

if ([PFUser currentUser]) {
        // Present wall straight-away
        [self presentWallViewControllerAnimated:NO];
    } else {
        // Go to the welcome screen and have them log in or create an account.
        [self presentLoginViewController];
    }
// end

- (void)presentWallViewControllerAnimated:(BOOL)animated {
    PAWWallViewController *wallViewController = [[PAWWallViewController alloc] initWithNibName:nil bundle:nil];
    wallViewController.delegate = self;
    [self.navigationController setViewControllers:@[ wallViewController ] animated:animated];
}

https://parse.com/tutorials/anywall#24-session-cache