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Created May 24, 2012 07:21
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2012-05-24 iOS Sample Code Study Group
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studyMemo.md

NSCache, NSURLCache, NSCachedResponse in Fundation.framework

NSCache

  • Is an in memory cache mechanism
  • Just like NSMutableDictionary
  • Available when iOS > 4.0
  • Can be set with a limit

See Document for more information.

NSURLCache

  • Composited with in memory cache and on disk cache
  • Can be distinguished by URL
  • Use or Not use the cache need to be determined by yourself.

See Document

NSCachedResponse

  • The whole response is cached in memory or on disk
  • easy to retrieve data

See Document

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TonnyXu commented May 24, 2012

the disk cache on iOS is somehow disabled, use SDURLCache to get it back

https://github.com/rs/SDURLCache

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