When should we delete the cache data in an iPhone apps?

Posted by athanhcong on Stack Overflow See other posts from Stack Overflow or by athanhcong
Published on 2010-04-13T02:56:01Z Indexed on 2010/04/13 3:02 UTC
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iphone

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cache

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objective-c

Hi all,

We often cache image and data to improve our iPhone app's performance. But what strategy do you use to manage the cache data, such as delete or update it?

When should we trigger to delete the cache data: when the iPhone apps starts, or quits, or in idle time?

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