我遵循了pageviewcontroller教程来创建图像滑块。然后,我将其修改为插入到tableviewcell中,因为我希望表格中有图像滑块。
我喜欢在全屏或嵌入另一个视图中使用相同代码的想法。
但是,当我这样做时,pageviewafter和pageviewbefore事件在滑动时不会触发。我怀疑tableviewcontroller或单元正在吞噬事件,因此pageviewcontroller不会接收到它们。
我最多是兼职ios开发人员,因此寻找可以解决/解决我的问题的建议。
根据要求提供一些代码详细信息。我在检索图像的回调完成后添加了PageViewController。 plantPhotoContainerView是在静态单元格中的UIView,该静态单元格已与情节提要一起添加。
self.plantPhotoContainerView.addSubview(vc.view)
pageviewcontroller将委托设置为其自身,而我目前忽略了在控制器中传递的图像,而仅使用一些测试图像:
class ImageSliderViewController: UIPageViewController, UIPageViewControllerDataSource {
init(images: [String]) {
super.init(transitionStyle: UIPageViewController.TransitionStyle.scroll, navigationOrientation: UIPageViewController.NavigationOrientation.horizontal, options: nil)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
var images = ["Growers", "Home", "Media"]
override func viewDidLoad() {
super.viewDidLoad()
dataSource = self
view.backgroundColor = UIColor.yellow
let imageViewController = ImageViewController()
imageViewController.imageName = images.first
let viewControllers = [imageViewController]
setViewControllers(viewControllers, direction: .forward, animated: true, completion: nil)
}
override func viewDidLayoutSubviews() {
self.view.translatesAutoresizingMaskIntoConstraints = false
view.leftAnchor.constraint(equalTo: view.superview!.leftAnchor).isActive = true
view.rightAnchor.constraint(equalTo: view.superview!.rightAnchor).isActive = true
view.topAnchor.constraint(equalTo: view.superview!.topAnchor).isActive = true
view.bottomAnchor.constraint(equalTo: view.superview!.bottomAnchor).isActive = true
}
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
let currentImageName = (viewController as! ImageViewController).imageName!
let currentIndex = images.firstIndex(of: currentImageName)!
if currentIndex < images.count - 1 {
let imageViewController = ImageViewController()
imageViewController.imageName = images[currentIndex + 1]
return imageViewController
}
return nil
}
func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
let currentImageName = (viewController as! ImageViewController).imageName!
let currentIndex = images.firstIndex(of: currentImageName)!
if currentIndex > 0 {
let imageViewController = ImageViewController()
imageViewController.imageName = images[currentIndex - 1]
return imageViewController
}
return nil
}
}
最佳答案
好的,我最终找到了一个有帮助的帖子。添加子视图时,需要两条额外的线才能将默认手势功能传递给pageviewcontroller。希望这对其他人有帮助。
self.addChild(vc)
self.plantPhotoContainerView.addSubview(vc.view)
vc.didMove(toParent: self)
老实说,我不完全了解它的作用,也许精通swift框架的人可以阐述一下。
关于ios - 我的pageviewcontroller手势是否被拦截?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/55717801/