A guide to enabling Objective-C subscripting in Xcode 4.4 for iOS 4.3+ using a compatibility shim from ARCLite.
A developer shares a custom debug tool to recursively list UIViewController hierarchies in iOS, improving on UIView's recursiveDescription.
A technical tutorial on implementing a pinch-to-reveal animation in iOS using CoreAnimation and layer masking, inspired by a Boeing app.
A developer shares a minimalist iPhone lock screen design using a custom template and discusses UI design for iOS.
A technical guide to implementing smooth, pressure-sensitive line drawing in iOS using cocos2d, inspired by the Paper app.
Explains how NSURLCache's disk caching behavior changed in iOS 5, affecting network request handling and storage for developers.
Explains when to manually call willChangeValueForKey for KVO in Objective-C, using NSOperation as an example of proper usage.
A follow-up to an iPhone programming presentation, providing slides and a sample Xcode project demonstrating gesture-based temperature conversion.
Explains how to automate removal of NSNotificationCenter and KVO observers in iOS using method swizzling and associated objects to prevent crashes.
A guide to detecting user touch interactions across an entire iOS app without interfering with normal UI behavior, using a window-level gesture recognizer.
A guide to integrating Apple's UIGestureRecognizers into cocos2d game projects without modifying the framework's source code.
A developer introduces createTree, a JavaScript function for building DOM structures to avoid Mobile Safari's innerHTML bugs.
Discusses the prevalence of Game Center score hacking via jailbreak apps and criticizes Apple's lack of enforcement.
A technical guide on creating a transparent UITableView with a custom background view and implementing tap gestures to hide/show the table.
A guide to geotagging photos from non-GPS cameras using an iPhone's background GPS tracking and desktop software.
Analyzes the debate between native vs. HTML5 mobile app development, arguing for web apps to reach wider audiences across platforms.
A 2008 review of the iPod Touch 2nd Gen, praising its design and functionality while criticizing Apple's closed ecosystem and App Store policies.
