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如何处理 iOS 10 中的用户通知操作

[英]How to handle UserNotifications Actions in iOS 10

所以我可以像这样安排通知;

//iOS 10 Notification
if #available(iOS 10.0, *) {

    var displayDate: String {
        let dateFormatter = DateFormatter()
        dateFormatter.dateStyle = DateFormatter.Style.full
        return dateFormatter.string(from: datePicker.date as Date)
    }
    let notif = UNMutableNotificationContent()


    notif.title = "I am a Reminder"
    notif.subtitle = "\(displayDate)"
    notif.body = "Here's the body of the notification"
    notif.sound = UNNotificationSound.default()
    notif.categoryIdentifier = "reminderNotification"

    let today = NSDate()
    let interval = datePicker.date.timeIntervalSince(today as Date)

    let notifTrigger = UNTimeIntervalNotificationTrigger(timeInterval: interval, repeats: false)

    let request = UNNotificationRequest(identifier: "reminderNotif", content: notif, trigger: notifTrigger)

    UNUserNotificationCenter.current().add(request, withCompletionHandler: { error in
        if error != nil {
            print(error)
           // completion(Success: false)
        } else {
            //completion(Sucess: true)
        }
        })
}

我已经在appDelegate请求了权限,并且使用通知扩展程序的自定义视图中的通知显示正常。

我在appDelegate为通知类别添加了通知操作; 这些也会出现。

//Notifications Actions 

private func configureUserNotifications() {
    if #available(iOS 10.0, *) {

        let tomorrowAction = UNNotificationAction(identifier: "tomorrowReminder", title: "Remind Me Tomorrow", options: [])

        let dismissAction = UNNotificationAction(identifier: "dismissReminder", title: "Dismiss", options: [])


        let category = UNNotificationCategory(identifier: "reminderNotification", actions: [tomorrowAction, dismissAction], intentIdentifiers: [], options: [.customDismissAction])

        UNUserNotificationCenter.current().setNotificationCategories([category])

    } else {
        // Fallback on earlier versions
    }
}

我在通知扩展名.plist文件中设置了相同的类别。 在通知扩展中,当用户点击一个动作时,我有以下内容来更改文本。

 //Handle Notification Actions And Update Notification Window 


 private func didReceive(_ response: UNNotificationResponse, completionHandler done: (UNNotificationContentExtensionResponseOption) -> Void) {

    if response.actionIdentifier == "tomorrowReminder" {
        print("Tomrrow Button Pressed")
        subLabel.text = "Reminder For Tomorrow"
        subLabel.textColor = UIColor.blue
        done(.dismissAndForwardAction)
    }

    if response.actionIdentifier == "dismissReminder" {
        print("Dismiss Button Pressed")
        done(.dismiss)

    } else {
        print("Else response")
        done(.dismissAndForwardAction)
    }

}

然而,文本没有改变,也没有调用任何语句;

在 appDelegate 中,我有以下内容;

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
    if #available(iOS 10.0, *) {
        UNUserNotificationCenter.current().delegate = self
        configureUserNotifications()

    }
}

extension AppDelegate: UNUserNotificationCenterDelegate {

@available(iOS 10.0, *)
private func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: (UNNotificationPresentationOptions) -> Void) {
    completionHandler([.alert, .sound])
}

@available(iOS 10.0, *)
private func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: () -> Void) {

    print("Recieved Action For \(response.actionIdentifier)")

    if response.actionIdentifier == "tomorrowReminder" {
        print("Tomorrow Reminder")


        //Set new reminder for tomorrow using the notification content title



        completionHandler()
    }

    if response.actionIdentifier == "dismissReminder" {
        print("Dismiss Reminder...")
        completionHandler()
    }
}

}

这两个函数实际上都没有在appDelegate调用。 我不确定更新扩展视图的问题是否与应用程序委托有关。 我不这么认为,我一直在关注Apple的WWDC视频以及其他教程并查看文档API并且无法弄清楚;

  • 为什么通知扩展文本标签不更新?
  • 为什么没有调用 appDelegate 中的函数?
  • 如何使用应用程序委托中的通知内容用于操作?

PS:过去几周我一直在研究并试图解决这个问题,这似乎相当简单,我不确定我错过了什么。 我知道我不是唯一有这些问题的人。

我还没有检查你的整个代码,但至少,这些函数头需要更改如下:

func userNotificationCenter(_ center: UNUserNotificationCenter,
                            willPresent notification: UNNotification,
                            withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {

func userNotificationCenter(_ center: UNUserNotificationCenter,
                            didReceive response: UNNotificationResponse,
                            withCompletionHandler completionHandler: @escaping () -> Void) {

func didReceive(_ response: UNNotificationResponse,
                completionHandler done: @escaping (UNNotificationContentExtensionResponseOption) -> Void) {

简单规则:删除private ,添加@escaping

您可能从 Xcode 收到了错误的建议,但是通过将它们设为private ,不会生成 Objective-C 入口点。 iOS 运行时在内部使用 Objective-C 选择器,因此它找不到您的方法,因此不会执行它们。

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