In need of some code for the iphone SDK (Save an in app picture to your photos)

Im working on my first app for the apple app store and I am in need of the code to be able to see a picture and save it to the photos, also where the code goes, so some what of a tutorial of how to save a picture to the photos app, I am working with the late开发者_运维技巧st version of the iphone SDK.

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UIImageWriteToSavedPhotosAlbum(image, self, (SEL)@selector(image:didFinishSavingWithError:contextInfo:), nil);

Here's an example.

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Referring "iPhone cookbook" by Erica Sadun