Hi! Has anyone tried creating an iOS notification ...

# ios

[Maximilian Pröll]

Hi!
Has anyone tried creating an iOS notification from the shared Kotlin code?
in Swift, we would need to create the notification request like so:

// Create the request
let uuidString = UUID().uuidString
let request = UNNotificationRequest(identifier: uuidString, 
            content: content, trigger: trigger)

However, in Kotlin, there is no constructor with these parameters.
We only have:

public open expect class UNNotificationRequest : platform.darwin.NSObject, platform.Foundation.NSCopyingProtocol, platform.Foundation.NSSecureCodingProtocol {
   @kotlin.commonizer.ObjCCallable public constructor(coder: platform.Foundation.NSCoder) { /* compiled code */ }
   @kotlin.commonizer.ObjCCallable public constructor() { /* compiled code */ }
   ...
}

Also, the fields are val in the Kotlin platform file, so they cannot be reassigned:

public expect final val content: platform.UserNotifications.UNNotificationContent /* compiled code */
public expect final val identifier: kotlin.String /* compiled code */
public expect final val trigger: platform.UserNotifications.UNNotificationTrigger? /* compiled code */

So how would you implement that in the shared module?
I somehow need to do it that way, since I use compose multiplatform. So there is no swift UI from which the notification would be triggered.

[Daniel Seither]

Since Kotlin is using Objective-C interfaces, take a look at the Objective-C variant of the UNNotificationRequest docs instead of the Swift version. There, you can see that in Objective-C and therefore Kotlin there’s no constructor for you to use but a static method requestWithIdentifier:content:trigger: that you can call. I’ve not tried this from Kotlin though.