Ios 在UIViewController前面添加am UIPageViewController
当我的应用程序第一次启动时,它应该在第一个应用程序屏幕前显示一个教程,这是一些带有半透明背景的屏幕 我尝试创建UIPageViewController对象,将其视图添加为当前屏幕的子视图(Ios 在UIViewController前面添加am UIPageViewController,ios,swift,uiviewcontroller,uipageviewcontroller,Ios,Swift,Uiviewcontroller,Uipageviewcontroller,当我的应用程序第一次启动时,它应该在第一个应用程序屏幕前显示一个教程,这是一些带有半透明背景的屏幕 我尝试创建UIPageViewController对象,将其视图添加为当前屏幕的子视图(self.view.addSubview(tutorialViewController.view)),屏幕显示出来,但是当我滑动UIPageViewController时,没有响应事件 class TutorialViewController:UIPageViewController, UIPageViewCo
self.view.addSubview(tutorialViewController.view)
),屏幕显示出来,但是当我滑动UIPageViewController时,
没有响应事件
class TutorialViewController:UIPageViewController, UIPageViewControllerDataSource {
var tutorialsViewControllers = [UIViewController]()
override func viewDidLoad() {
super.viewDidLoad()
tutorialsViewControllers.append(Tutorial1ViewController())
tutorialsViewControllers.append(Tutorial2ViewController())
tutorialsViewControllers.append(Tutorial3ViewController())
tutorialsViewControllers.append(Tutorial4ViewController())
tutorialsViewControllers.append(Tutorial5ViewController())
self.setViewControllers([tutorialsViewControllers.first!], direction: .Forward, animated: false) { (complete) -> Void in
}
self.dataSource = self
}
func pageViewController(pageViewController: UIPageViewController, viewControllerBeforeViewController viewController: UIViewController) -> UIViewController? {
if let position = find(self.tutorialsViewControllers, viewController)
where position > 0
{
return self.tutorialsViewControllers[position - 1]
}
return nil
}
func pageViewController(pageViewController: UIPageViewController, viewControllerAfterViewController viewController: UIViewController) -> UIViewController?{
if let position = find(self.tutorialsViewControllers, viewController)
where position < self.tutorialsViewControllers.count - 1
{
return self.tutorialsViewControllers[position - 1]
}
return nil
}
}
是否将
tutorialViewController
添加为子视图控制器
self.addChildViewController(tutorialViewController)
self.view.addSubview(tutorialViewController.view)
self.addChildViewController(tutorialViewController)
self.view.addSubview(tutorialViewController.view)