iOS - Caching and loading images asynchronously

Question

I want an image loading and caching library for iOS that

• loads images asynchronously,
• caches images, with a configurable cache size and LRU behaviour,

Answer 1

EDIT : ASI has been deprecated now but @Tony's answer has a link to a library that seems to do most of this (disclaimer - I've not yet tried it and am going by @Tony's recommendation!)

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ASIHTTPRequest does all of that :)

All you would have to do is add something like to the success callback

UIImage *image = [UIImage imageWithData:[request responseData]];

// If the image is nil ASIHTTPRequest will let you remove the data from the cache
// but I can't remember off the top of my head how. Checkout the docs!

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EDIT

And when you've finished it, you could always pop it onto github for the rest of us . . .