How bad would it be to keep using uniqueIdentifier in iOS 5?

Question

I am making an app and I see that uniqueIdentifier is deprecated in iOS 5, but I kinda need to identify devices using the app so that I can tell them apart. I tried to access the uniqueIdentifier property of UIDevice and it still works. Does anyone know how long this will last? Will it work forever?

The reason I don't want to switch to CFUUID is because it will change each time the user installs and uninstalls the app.

score 4 · Accepted Answer · answered Jan 03 '12 at 05:07

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It's deprecated - you shouldn't rely on it. It could keep working for years and several new major versions, or it could stop with a minor version in a week's time.

answered Jan 03 '12 at 05:07

SpoonNZ

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Ok. I found this https://github.com/gekitz/UIDevice-with-UniqueIdentifier-for-iOS-5 which is awesome and lets you create a UUID based on the device's MAC address and I'm pretty sure some other things. – Josh Sherick Jan 03 '12 at 05:27

score 0 · Answer 2 · edited May 23 '17 at 12:12

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Look at my answer here: Is there any way to identify an iDevice user? this should give you and idea of the problem and posible solutions

edited May 23 '17 at 12:12

Community

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answered Jan 03 '12 at 05:07

Ecarrion

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score 0 · Answer 3 · answered Jan 03 '12 at 05:26

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I found this which is awesome and lets you create a UUID based on the device's MAC address and I'm pretty sure some other things.

answered Jan 03 '12 at 05:26

Josh Sherick

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How bad would it be to keep using uniqueIdentifier in iOS 5?

3 Answers3