Change push notifications programmatically in Swift

Question

I have an app where I have implemented push notifications. I check with the user to allow remote notifications with:

let settings = UIUserNotificationSettings(forTypes: [.Alert, .Badge, .Sound], categories: nil)
UIApplication.sharedApplication().registerUserNotificationSettings(settings)
UIApplication.sharedApplication().registerForRemoteNotifications()

I also store the response in a DB with the device token.

I have also implemented a UISwitch in a settings page to enable/disable push notifications however I have only been able to enable/disable this in the DB column.

My problem is that if a user selected Don't Allow in the initial request, I cannot enable push notifications in the phone settings so even if I set the value to enable in the DB, the notification will never reach the phone as the phone settings are still set to disable.

Is there a way in Swift 2 to change the push notification in the phone setting from within the app instead of the user having to go in to the settings to change? Or is it completely redundant to have a UISwitch allow the user to toggle on/off push notifications?

Vishnu gondlekar · Accepted Answer · 2015-11-04 11:35:24Z

9

There isn't any way you can change push notifications permission status from program. Also, prompt asking user to allow push notifications can not be shown again and again. You can refer this https://developer.apple.com/library/ios/technotes/tn2265/_index.html.

The first time a push-enabled app registers for push notifications, iOS asks the user if they wish to receive notifications for that app. Once the user has responded to this alert it is not presented again unless the device is restored or the app has been uninstalled for at least a day.

So using UISwitch to toggle permission status doesn't make any sense unless you use switch status to turn on/off remote notifications from your server.

answered Nov 4, 2015 at 11:35

Vishnu gondlekar

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1 Comment

puks1978 Over a year ago

Thanks. Maybe I can check if notifications are disabled when the toggle is switched and alert the user they need to enable them in the settings.

Shivam Tripathi · Accepted Answer · 2018-03-11 16:19:00Z

6

Updated with swift 4 :

func switchChanged(sender: UISwitch!) {
    print("Switch value is \(sender.isOn)")

    if(sender.isOn){
        print("on")
        UIApplication.shared.registerForRemoteNotifications()
    }
    else{
        print("Off")
        UIApplication.shared.unregisterForRemoteNotifications()
    }
}

answered Mar 11, 2018 at 16:19

Shivam Tripathi

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Comments

Dyary · Accepted Answer · 2019-03-10 19:06:12Z

2

if you are using FireBase to send push notifications to your devices , you can use topic subscription to enable push notification in subscribed devices and unsubscribe users from the topic when you don't want the user to receive push notification in those devices that have been unsubscribed.

to subscribe a user to a topic simply import Firebase, then use this method:

Messaging.messaging().subscribe(toTopic: "topicName")

and to unsubscribe a user use:

Messaging.messaging().unsubscribe(fromTopic: "topicName")

edited Mar 10, 2019 at 19:06

answered Mar 9, 2019 at 5:22

Dyary

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Comments

Bibin Alex · Accepted Answer · 2020-11-05 15:43:24Z

if settings.authorizationStatus != .authorized{

            // Either denied or notDetermined
            // Ask the user to enable it in settings.

            UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) {
                (granted, error) in
                  // add your own
                UNUserNotificationCenter.current().delegate = self
                let alertController = UIAlertController(title: appName, message: "Please enable notifications in settings and try again.", preferredStyle: .alert)
                let settingsAction = UIAlertAction(title: "Settings", style: .default) { (_) -> Void in
                    guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
                        return
                    }
                    if UIApplication.shared.canOpenURL(settingsUrl) {
                        UIApplication.shared.open(settingsUrl, completionHandler: { (success) in
                        })
                    }
                }
                let cancelAction = UIAlertAction(title: "Cancel", style: .default, handler: nil)
                alertController.addAction(cancelAction)
                alertController.addAction(settingsAction)
                DispatchQueue.main.async {
                    (UIApplication.shared.delegate as? AppDelegate)?.window?.rootViewController?.present(alertController, animated: true, completion: nil)
                }
            }
        }

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