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I don't understand, in the doc about performFetchWithCompletionHandler they say:

https://developer.apple.com/documentation/uikit/uiapplicationdelegate/1623125-application

your app has up to 30 seconds of wall-clock time to perform the download operation and call the specified completion handler block

but in the code i do like this 

performFetchWithCompletionHandler 
  beginBackgroundTaskWithExpirationHandler
  sleep 4 min
  Logn(...)
  CompletionHandler
  endBackgroundTask
  Logn(...)

and it's work fine ! the app is alive still the end (4 min in all) and I can see the log in the monitor ... I just have several time a call of the ExpirationHandler given to beginBackgroundTaskWithExpirationHandler but it's no matter the app is still alive and working

what did I miss ? so how many time we have to process everything ?

rmaddy
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zeus
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