取消已安排的本地通知

Question

I want to avoid to display a local scheduled notification if the user has disabled notification from the app settings.

However, it doesn't seem possible.

I have think about two possible solution, but i don't know how to do it:

• Like a remote data notification, which is not displayed into the notification center if you don't manually do it, does we have an equivalent mechanism for local notification?
• Another solution would be to be able to listen "app notification setting change", but i've not find any information about it.

For the moment, my best solution is too check getNotificationSettings each time the app come back in foreground. if status isn't authorized , then i call removePendingNotificationRequests . However, if user don't open the app before the scheduled event is fired, this workaround isn't sufficient.

Answer 1

You can not listen status change. Only way is when user opens the app check getNotificationSettings

I want to avoid to display a local scheduled notification if the user has disabled notification authorisation from the app settings.

If user has disabled notification permission through the Settings. So there will be no notification to show.

Answer 2

Have you tried removeAllPendingNotificationRequests() ?

See: https://developer.apple.com/documentation/usernotifications/unusernotificationcenter/1649509-removeallpendingnotificationrequ