How to show a local notification when the user clicks a button on iOS?

Question

In my iOS app, I want to show a local notification when the user clicks a button.

But according to the documentation, it looks like the notification can only be displayed:

after a certain amount of time or on a specific date
when the user enters or exits a specific location
when the app gets a push notification

The best I can do so far is:

// content:
let content = UNMutableNotificationContent()
content.categoryIdentifier = "test_category"
content.title = "Title"
content.subtitle = "Subtitle"
content.body = "Notification body"
content.sound = UNNotificationSound.default

// trigger:
let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 10, repeats: false)
let uuidString = UUID().uuidString
let request = UNNotificationRequest(identifier: uuidString, content: content, trigger: trigger)
UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)

So how can I show a local notification on iOS when the user clicks a button?

Thanks.

score 1 · Answer 1 · answered Mar 10 '22 at 20:39

1

Just make it 1 second

let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 1, repeats: false)

answered Mar 10 '22 at 20:39

Shehata Gamal

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Thanks, I tried that too but for some reason, nothing happens, I don't see any local notification. Did I miss something in my example above? – matteoh Mar 10 '22 at 20:45
Check https://stackoverflow.com/a/71336816/5820010 – Shehata Gamal Mar 10 '22 at 20:46
Thanks! I tried that before but with more trials and errors, I finally managed to make it work! – matteoh Mar 10 '22 at 21:03
1

@matteoh the trigger can be nil and it will trigger without delay – Hen Shabat Mar 21 '22 at 16:37

How to show a local notification when the user clicks a button on iOS?

1 Answers1