UIScrollView as a page container and UIViewController as pages

PagerViewController.m

- (void)viewDidLoad {
    [super viewDidLoad];
    
    int pageCount = 2;
//    int pageWidth = self.view.frame.size.width;
//    int pageHeight = self.view.frame.size.height;
    UIStoryboard *storyBoard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    for(int i = 0;i < pageCount; ++i) {
        UIViewController *page = [storyBoard
                                  instantiateViewControllerWithIdentifier:
                                  [NSString stringWithFormat:@"vcPage%d", (i + 1)]];
//        CGRect pageSize = CGRectMake(i * pageWidth, 0, pageWidth, pageHeight);
//        TourPageView *page = [[TourPageView alloc] initWithFrame:pageSize];
        [mScrollView addSubview:page.view];
    }
    mScrollView.contentSize = CGSizeMake(
                                    mScrollView.frame.size.width * pageCount,
                                    mScrollView.frame.size.height);
    mScrollView.delegate = self;
    mPageControl.numberOfPages = pageCount;
    [mPageControl addTarget:self
                     action:@selector(didPressPageController:)
            forControlEvents:UIControlEventTouchUpInside];
    

}