Background timer for session logout

Question

Suraj_29 OP

Created Apr ’21

Replies 2

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As the os provides only about 30 sec with

Code Block func beginBackgroundTask(expirationHandler handler: (() -> Void)? = nil) -> UIBackgroundTaskIdentifier

after which the app is suspended.

Is there a way to run the timer in background for 3 minutes to logout from the server session? or is there any other possible approach to get an event after 3 minutes to perform logout while the app is in background?

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Answer 1

DTS Engineer OP

Apple

Apr ’21

Thanks for creating a new thread for this.

So, to start, why does your server take so long to log out? Most servers I’ve used can log out with a single HTTP POST, whose duration is usually measured in tenths of a second rather than tens of seconds. What are you doing during this logout sequence that makes it so slow?

Also, is this an HTTP server? Or does it use some other protocol?

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Answer 2

Suraj_29 OP

Apr ’21

I wish to initiate the log out sequence (taking tenths of a second) after some time interval when the app goes in the background.

This is to make sure the user does not have to enter the passcode every time after the app is brought to foreground after short time interval (less than 3 minutes).

Earlier, the OS provided approximately 3 minutes before the expiration handler was called which made this feasible.

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