GameplayKit: State Machine for non-game Apps
Developing mobile Apps is a complex task, but it is our job as developers to solve that complexity. And a state machine is one tool that helps us construct simplicity...
Tag Archives: os x
Core Data: Sharing data between Apps and their Widgets
App Extensions, introduced with iOS 8, significantly increase our iOS App’s customizable functionality and extended content. App Extensions allow developers to project quick access to their app. A Widget or...
Introduction to NSAttributedString for iOS
I’ve been talking a lot in the past about how to customize text in your app to improve the UI of your applications. You need to show some text in...
A (quasi-) real-time video processing on iOS with AVFoundation
In previous posts, I showed you how to create a custom camera using AVFoundation and how to process an image with the accelerate framework. Let’s now combine both results to...
Flags: very useful when debugging with Instruments
There is a very nice feature in Instruments that helps you to point your loupe to a very precise spot in your code. I am writing an app that process...
Core Animation Part VI: CAReplicatorLayer
It is time to give a look at some more advanced Core Animation techniques. In the previous posts, I reviewed the main concepts related to an animation and the different...
CoreText
As promised in one of the previous articles on Core Graphics, I want to talk about the wonderful Core Text. Consider the topic as a followup of the previous articles...