How to run app with UNNotificationServiceExtension on pre iOS 10?
问题 My app implements the new iOS 10 rich push NotificationService extension. Everything works as expected on iOS 10, but I also want to support pre iOS 10 devices - of course not rich push, but just regular push. When lowering the deployment target in Xcode to e.g. 8.0 or 9.0 and trying to run on an older simulator or device i get the following errors: Simulator: The operation couldn’t be completed. (LaunchServicesError error 0.) Device: This app contains an app extension that specifies an