Question

代码：

FirebaseApp.configure()
application.registerForRemoteNotifications()
requestNotificationAuthorization(application: application)

NotificationCenter.default.addObserver(self, selector:
    #selector(tokenRefreshNotification), name:
    NSNotification.Name.InstanceIDTokenRefresh, object: nil)

//in iOS9 called didreceiveremote method when app is killed
let notification = launchOptions?[.remoteNotification]
if notification != nil {
    self.application(application, didReceiveRemoteNotification: notification as! [AnyHashable : Any])
}

@objc func tokenRefreshNotification(_ notification: Notification) {
    if let refreshedToken = InstanceID.instanceID().token() {
        print("InstanceID token: \(refreshedToken)")

        UserDefaults.standard.setPushToken(value:refreshedToken)
    }

}

func requestNotificationAuthorization(application: UIApplication) {
    if #available(iOS 10.0, *) {
        UNUserNotificationCenter.current().delegate = self
        let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
        UNUserNotificationCenter.current().requestAuthorization(options: authOptions, completionHandler: {_, _ in })
    } else {
        let settings: UIUserNotificationSettings = UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
        application.registerUserNotificationSettings(settings)
    }

}

extension AppDelegate : UNUserNotificationCenterDelegate {
    // iOS10+, called when presenting notification in foreground
    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        let userInfo = notification.request.content.userInfo
        NSLog("[UserNotificationCenter] applicationState: \(applicationStateString) willPresentNotification: \(userInfo)")
        //TODO: Handle foreground notification
        completionHandler([.alert])
    }

    // iOS10+, called when received response (default open, dismiss or custom action) for a notification
    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        let userInfo = response.notification.request.content.userInfo
        NSLog("[UserNotificationCenter] applicationState: \(applicationStateString) didReceiveResponse: \(userInfo)")
        //TODO: Handle background notification
        if UIApplication.shared.applicationState == .active {
            //TODO: Handle foreground notification
        } else {
            //TODO: Handle background notification

        }
        completionHandler()
    }

    func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any]) {
        NSLog("[RemoteNotification] applicationState: \(applicationStateString) didReceiveRemoteNotification for iOS9: \(userInfo)")


        if UIApplication.shared.applicationState == .active {
            //TODO: Handle foreground notification
        } else {
            //TODO: Handle background notification

        }
    }
}

我正在开发一款具有iOS9目标和firebase推送通知功能的应用。我的要求是从后台移除应用，用户点击推送通知然后移至屏幕（例如AccountVC）。在iOS 9中，我可以在应用程序从后台删除时处理推送通知。但是在iOS11中我不知道如何处理应用程序从后台删除。任何帮助将不胜感激，提前感谢

当应用程序从后台删除时，iOS11处理firebase推送通知

0 个答案: