有一个容器视图可容纳3个视图控制器(V1,V2和V3)。我可以通过向左或向右滑动来从A,B或C切换。 A或B都包含它们自己的集合视图。如果我点击A或B内的收藏视图中的任何单元格,PlayerVC(上图中的名为Player的播放器)将启动并开始使用AVPlayer播放视频。
问题是:由于我使用通用链接,用户直接进入playerView播放视频,但当他们按下完成按钮时,应用程序崩溃。我相信的问题是因为视图控制器上的其余部分未被初始化?我如何初始化容器视图和其他视图控制器?或者,如果这不是问题,请让我知道问题是什么。
下面是一些示例代码的应用程序委托。如有可能,请提供代码以帮助!
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
if let pagingViewController = window?.rootViewController as? PagingViewController {
pagingViewController.videoPlaybackManager = videoPlaybackManager
}
return true
}
class AppDelegate: UIResponder, UIApplicationDelegate {
// Other App Delegate methods.....
func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([Any]?) -> Void) -> Bool {
// 1) Make sure the passed `user activity` has expected characteristics.
guard userActivity.activityType == NSUserActivityTypeBrowsingWeb, let url = userActivity.webpageURL else {
return false
}
// HELP: I need to get to `PlayerVC` from here?
return true
// If we can't do the above we default to opening the page in safari
}
}
编辑 - 我如何实例里面PagingViewController 3级的VC(容器查看)
private func setupViewControllers() {
let storyboard = UIStoryboard(name: "Main", bundle: nil)
page1 = storyboard.instantiateViewController(withIdentifier: StoryboardIdentifiers.feedViewController.rawValue) as! FeedViewController
page1.view.translatesAutoresizingMaskIntoConstraints = false
page1.delegate = self
scrollView.addSubview(page1.view)
addChildViewController(page1)
page1.didMove(toParentViewController: self)
// Inject dependency.
page1.videoPlaybackManager = videoPlaybackManager
page2 = storyboard.instantiateViewController(withIdentifier: StoryboardIdentifiers.favoritesViewController.rawValue) as! FavoritesViewController
page2.view.translatesAutoresizingMaskIntoConstraints = false
page2.delegate = self
scrollView.addSubview(page2.view)
addChildViewController(page2)
page2.didMove(toParentViewController: self)
page3 = storyboard.instantiateViewController(withIdentifier: StoryboardIdentifiers.settingsViewController.rawValue) as! SettingsViewController
page3.view.translatesAutoresizingMaskIntoConstraints = false
scrollView.addSubview(page3.view)
addChildViewController(page3)
page3.didMove(toParentViewController: self)
......
你通常如何初始化Container VC?那不在'didLaunchWithOptions'中吗? – dmorrow
嘿,我只是在我的示例中添加了更多的代码,显示了它的完成情况。谢谢 – user7097242
实际上ContainerVC正在通过故事板进行初始化。 – user7097242