Detect if application: didReceiveRemoteNotification: fetchCompletionHandler: was called by tapping on a notification in Notification Center

Question

application: didReceiveRemoteNotification: fetchCompletionHandler:

is different from

application: didReceiveRemoteNotification:
         


        

Answer 1

For Swift: In application(_:didFinishLaunchingWithOptions:) parse the application options. If they exist, you know the app was launched from them tapping.

  if let remoteNotif = launchOptions?[UIApplicationLaunchOptionsKey.remoteNotification] as? [String: Any] {
        print("Remote notfi is \(remoteNotif)")
        if let notification = remoteNotif["aps"] as? [AnyHashable : Any] {
        /// - parse notification
      }
  }

Otherwise, you can handle the tap in, and you know that the app is open/background/inactiveapplication(_:didReceiveRemoteNotification:fetchCompletionHandler:)