Frame geometry macros to improve your UIKit code
I find myself doing more and more dynamic UI layout in iOS apps these days. When elements of a UI need to resize to fit their contents, or move to accommodate other elements, the layout code can get complex and verbose. We’ve developed a set of Objective-C UIKit macros that help make this code more […]
Objective-C Blocks Cheat Sheet
Blocks are an incredibly powerful addition to Objective-C, introduced in iOS 4. However, their syntax can be maddeningly difficult to remember. Matt Gallagher has an excellent post that breaks down the syntax to help you understand it. If you haven’t read this article, go do it now. Even after working with blocks for a while, […]

Kickstart your apps with the iOS Xcode Starter Project
We created the iOS Xcode Starter Project to make it quick and easy to start a new iPhone or iPad app. Our goal was to create a template to save the hours of effort it takes on a new project configuring essential open source libraries, the unit and functional testing environments, analytics, multiple targets, multiple […]

Block initialization for testability and reuse
Since Apple introduced block support in iOS 4, more and more APIs are moving from delegation to block callbacks. While block callbacks can be declared inline, in most cases you should initialize your block callback in a method that returns the block. This keeps the code that calls an external API succinct, allows you to […]