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CoreBackground is a set of Objective-C classes inspired by the iOS Yahoo Weather App. It provides iOS location-based Flickr backgrounds with Gaussian blur light effects for iPhone.
As one scrolls over the foreground a Gaussian blur light effect is applied to the background. This provides for an engaging location-based UX while at the same time providing a canvas to apply readable content to the foreground. CoreBackground is a non-blocking "event-based" Objective-C block API and all rendering occurs in backing stores to preserve the main run loop. Make it be the foundation of your next iOS project today.