What will happen to Scheduled notifications after the device Reboots?

Question

I was trying to find an exact answer for the question: "what will happen to my scheduled notifications after the device is rebooted?".

I've used the UNUserNotificationCenter to schedule all the notifications and they will be triggered repeatedly on each day based on the scheduled time.

here is my written code snippet, and it works while the device is on.

func scheduleNotification() {
    let center = UNUserNotificationCenter.current()
    let content = UNMutableNotificationContent()
    content.title = "This is the title"
    content.body = "The is the body"
    content.categoryIdentifier = "identifier"
    content.userInfo = ["info":"B"]
    content.sound = UNNotificationSound.default
    
    var dateComponents = DateComponents()
    dateComponents.hour = 0
    dateComponents.minute = 29
    
    let trigger = UNCalendarNotificationTrigger(dateMatching: dateComponents, repeats: true)
    let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
    center.removeAllPendingNotificationRequests()
    center.add(request)
}

Answer 1

In short, it should remain, although I could not find an official apple documentation, it worked for me. The timer should survive a reboot. As long as the device is on when the relevant time arrives and the app is still installed, The notification will be fired. Of course permission for sending notifications is required.

This question was asked before with no answer - UNUserNotificationCenter notifications after device reboot