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Asked: 2026-06-14T18:28:22+00:00

I created a test project to confirm my memory leaks: Project file: https://dl.dropbox.com/u/3703182/PickerView.zip Basically

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I created a test project to confirm my memory leaks:
Project file: https://dl.dropbox.com/u/3703182/PickerView.zip

Basically a UIPickerView is connected to a datasource via IB. When it’s connected to a datasource, it leaks. If not, no leak. I need to use a UIPickerView for an imminent app that needs to be released ASAP, unfortunately it guarantees a crash every 2 hours because of the leak. How can I use the UIPickerView despite the memory leaks without crashing?

EDIT:
It only leaks on device, not in simulator.

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  1. Editorial Team

    Adding my comments as answer,

    Your app will not crash due to this leak since it is a very small leak caused by framework which you dont have to worry about. The screenshot shows that it is in terms of a few bytes. If your app is crashing every 2 hours, that means there is something else which is using a lot of memory. Please check if you are using anything else in your code which could cause this and update the question with your finding.

    In allocation tool, make sure you are checking the live bytes section and check how much it is going up. If it stays below 15-20 MB, you dont have to worry much anyways. Check this for more details about memory usage in app. Also check this XCode Instruments Allocations: Look at Live Bytes or Overall Bytes?.

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