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页面视图控制器未按照其编码的样式转换

[英]page view controller not transitioning in the style it is coded to

Swift / iphone开发的新手您好,任何建议,不胜感激!

制作一个包含3个页面的基于页面的简单应用程序,但是在我的代码中将过渡样式设置为.scroll时,视图控制器使用.pageTurn样式过渡

让pageController = ViewController(transitionStyle:.scroll,navigationOrientation:.horizo​​ntal,选项:nil)

十分困惑,为什么过渡风格不遵循我的编码?

完整代码:

 let pageController = ViewController(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)

 class ViewController: UIPageViewController {

// page view controllers here
let cardsVC: UIViewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "CardsNavController")
let profileVC: UIViewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "ProfileNavController")
let matchesVC: UIViewController! = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "MatchesNavController")

override func viewDidLoad() {
    super.viewDidLoad()

    view.backgroundColor = UIColor.white
    dataSource = self
    // loads first view
    setViewControllers([profileVC], direction: .forward, animated: true, completion: nil)
}


// load left view
func goToNextVC() {
    let nextVC = pageViewController(self, viewControllerAfter: viewControllers![0] )!
    setViewControllers([nextVC], direction: .forward, animated: true, completion: nil)
}
// load right view
func goToPreviousVC() {
    let previousVC = pageViewController(self, viewControllerBefore: viewControllers![0] )!
    setViewControllers([previousVC], direction: .reverse, animated: true, completion: nil)
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
     }


 }

 // MARK - UIPageViewControllerDataSource
 extension ViewController: UIPageViewControllerDataSource {

func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {

    // navigate right
    switch viewController {
    case cardsVC:
        return profileVC
    case profileVC:
        return nil
    case matchesVC:
        return cardsVC
    default:
        return nil
    }
}

// navigate left
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {

    switch viewController {
    case cardsVC:
        return matchesVC
    case profileVC:
        return cardsVC
    case matchesVC:
        return nil
    default:
        return nil
    }
}

}

像这样使用:

required init?(coder: NSCoder) {
    super.init(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)
}

看看下面的项目,它将为您提供预期的结果,我在这里使用了containerView使用pageViewController使用tableViews呈现ViewControllers

Link - https://drive.google.com/open?id=0B2WiGVeE-REPT3loNUFPa0llWGs

StoryBoard的屏幕截图

在此处输入图片说明

输出- 在此处输入图片说明

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