NSData dataWithContentsOfURL cache?

The documentation doesn't say that it will cache, so I think we should assume that they don't do any caching.

The documentation doesn't say that it will cache, so I think we should assume that they don't do any caching. Which kinds of data you want to get UIImage : yes, I think you should use NSData Video: you should use MPMoviePlayerController for streaming Text: I think you can do normal NSUrlConnection. It also has asynchronous, synchrnous and caching.

– cesarnicola Aug 23 '10 at 15:25 Yeah, I think you should use NSUrlConnection and do asyncrhonous to prevent blocking UI – vodkhang Aug 23 '10 at 15:31.

Use ASIHTTPRequest. It's a third party HTTP client library that makes network interaction MUCH simpler, and has very nice caching functions.

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