Question

在用户单击通用链接后启动应用程序时，方法scene(_ scene: UIScene, continue userActivity: NSUserActivity)没有被调用。

当用户单击通用链接后，已经启动的应用程序再次打开时，它可以正常工作。示例代码：

func scene(_ scene: UIScene, continue userActivity: NSUserActivity) {
    guard userActivity.activityType == NSUserActivityTypeBrowsingWeb,
        let incomingURL = userActivity.webpageURL,
        let components = NSURLComponents(url: incomingURL, resolvingAgainstBaseURL: true),
        let path = components.path else {
            return
    }
    let params = components.queryItems ?? [URLQueryItem]()

    print("path = \(path)")
    print("params = \(params)")
}

我尝试使用application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration，但是当用户单击链接时，它从未被调用：

func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
    if let scene = connectingSceneSession.scene, let userActivity = scene.userActivity {
        if userActivity.activityType == NSUserActivityTypeBrowsingWeb {
            if let incomingURL = userActivity.webpageURL,
                let components = NSURLComponents(url: incomingURL, resolvingAgainstBaseURL: true),
                let path = components.path {
                let params = components.queryItems ?? [URLQueryItem]()

                print("path = \(path)")
                print("params = \(params)")
            }
        }
    }
    return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
}

我尝试使用scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions)：

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
    if let userActivity = scene.userActivity {
        self.scene(scene, continue: userActivity)
    }
}

我还尝试了以下方法：

func sceneDidBecomeActive(_ scene: UIScene) {
    if let userActivity = scene.userActivity {
        self.scene(scene, continue: userActivity)
    }
}

func sceneWillEnterForeground(_ scene: UIScene) {
    if let userActivity = scene.userActivity {
        self.scene(scene, continue: userActivity)
    }
}

但是scene.userActivity总是零，我无法得到userActivity.webpageURL。

我们如何识别链接已单击并启动了应用程序（不仅仅是打开了）？

Answer 1

您几乎拥有它：

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
    if let userActivity = scene.userActivity { // <-- not quite
        self.scene(scene, continue: userActivity)
    }
}

它不在现场；在options中。查看options.userActivities。（尽管发生的事情是用户单击了 link 来启动我们，但我希望能在options.urlContexts中找到该URL。）

Answer 2

这对我有用：

func scene(_ scene: UIScene, willConnectTo _: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
        for userActivity in connectionOptions.userActivities {
            if let url = userActivity.webpageURL { //ADD WHATEVER CONDITION YOU NEED
                //DO WHAT YOU NEED HERE
                break
            }
        }
    }

基本上，问题在于通用链接被“隐藏”在connectionOptions内部，因此您必须使用循环来搜索它。

Answer 3

Apple答复确认在iOS 13中存在该问题。

当用户单击通用链接后启动应用程序时，不会调用scene（_ scene：UIScene，继续userActivity：NSUserActivity）

3 个答案: