Why does my iOS app freeze when there are many tasks going on?

Question

Created Sep ’21

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Our client report production iOS app freezes when there are a lot of stuffs going on in the app (notifications, background fetch, UIAlertControllers, interactions from user), they couldn't interact with the app and the only way was to kill and restart it. Software updates are the latest and iPad model is recent.

However, we've never been able to replicate the issue during testing and development. Does anyone have any idea what could potentially be the issue?

Thank you in advance!

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Answer 1

OOPer OP

Sep ’21

I guess some of the tasks of the many going are doing something wrong. I cannot say anything more under the currently shown info. Can you show all the code of the tasks going on? As you have background fetch, it might be a problem of multithreading, which is hard to reproduce.

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