How Instruments can be used to fix a graphics performance issue

Lately, I have been investigating an issue a customer of mine’s app showed.

What's new in iOS 7 User Interface – Part 2: Deference

In a previous post, I began describing what changes the introduction of iOS 7 brought to iOS UI/UX dimension. In that post, I listed 4 main principles shaping the idea of iOS flat-UI:

Hitchhiker's guide to MKStoreKit

In-App Purchase is one of those great feature of the iOS ecosystem that I wish were easier to understand and implement in my apps. In the end it is just a machinery that will not really add value to my apps, and it would be great if the Apple motto “it just works” could be applied to StoreKit as well.

iOS6: dynamic autorotation

One of the most intrusive changes brought by iOS6 is the way autorotation is handled in UIViewControllers. If you have an autorotating app for iOS5, you will need to change it to correctly support autorotation under iOS6. If you develop an app which is supposed to run both on iOS5 and iOS6, then you will have to handle autorotation in the old as well as the new way.

Playing a secondary theme in Cocos2D

Cocos2D offers CocosDenshion, an easy to use framework to work with audio.