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Currently i am working in ios application with push notification.Push notification works fine.But the issues i have faced, push notification is send after the application is uninstalled.So that i want to know the implementation of "Feedback service".Is there any tutorial is available for that implementation.Does this implementation is done at server side or client side application.Can you explain it.

dolly doll
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  • Let me clear to you. If user has uninstalled the app then you can't track the notification. In apple there is no way to detect whether has been deleted by suer or not. You have to use some Analytics services for user interaction with your app. Again you asked for Feedback service, There are many conditions like device is in offline mode & your app will not receive notification. In this case after some time only latest notification will get delivered in your device and other would get discarded by Apple. – Gagan_iOS Apr 17 '17 at 09:54
  • Thanks for your reply.any tutorial for implementing "APNS Feedback Service" – dolly doll Apr 17 '17 at 10:16
  • in short, you can use feedback service at backend, if error code 410 means device token not valid, but it does not mean that you uninstall the app. Might be you restores backup data to a new device or reinstall the operating system, the device token changes. So 410 status can't help you. – Gagan_iOS Apr 17 '17 at 10:23
  • Read this links http://stackoverflow.com/questions/6652242/does-the-apns-device-token-ever-change-once-created http://stackoverflow.com/questions/28163620/does-device-token-ever-change-in-apple-push-notifications http://stackoverflow.com/questions/34630585/does-apns-feedback-service-no-longer-exist-as-per-new-apis – Gagan_iOS Apr 17 '17 at 10:25

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on the server side you should check the feedback service on a daily basis to retrieve information about inactive device tokens. you can then stop delivering notifications to those devices.

see https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/BinaryProviderAPI.html#//apple_ref/doc/uid/TP40008194-CH13-SW12 for more information...

André Slotta
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