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Article Written By:
Johann Dowa

Open Source iOS UIImageView Category Adding Easy Asynchronous Image Downloading

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If you’ve been looking for a quick and easy way to load images from the web into a UIKit based app I’ve come across a very handy UIImageView category that adds in the capability of easily loading images asynchronously from the web.  In addition to the downloading the category also provides caching and error checking.

As stated in the readme the library provides:

  • An UIImageView category adding web image and cache management to the Cocoa Touch framework
  • An asynchronous image downloader
  • An asynchronous memory + disk image caching with automatic cache expiration handling
  • A guarantee that the same URL won’t be downloaded several times
  • A guarantee that bogus URLs won’t be retried again and again
  • Performances!
The category known as SDWebImage by Oliver Poitrey can be downloaded using Git with:
git clone https://github.com/rs/SDWebImage.git 

You can find the category on Github here and the documentation can be found here.

A very handy category to have if you’re looking for a simple way to add in images from the web for a UITableView.

Some Related Stuff You Might Be Interested In:

– Easy To Use Concurrent Downloading Library That Uses NSURLConnection
– Open Source iOS Library For Easy Image Downloading From Instagram, Facebook, Flickr and Picasa
iOS Developer Libraries Category

 


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