iOS icon size generator

One of the things you run into while developing iOS applications is that you need several different icon sizes for the various devices.  For an iOS 8 iPhone application, you need at least 4 different sizes: 58pt, 80pt, 120pt, and 180pt.  Not to mention the main icon size for the app store.  If you develop […]

iOS NSStreamDelegates, Grand Central Dispatch, & NSNotificationCenter

One of the more difficult design patterns I’ve managed to get working in Objective-C while developing an iOS app is one that requires NSStreamDelegates, Grand Central Dispatch (GCD) and NSNotificationCenter.  This design pattern comes into play in the following situation: Application launches Application does some communication with a server in the background When the server […]