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Author Archives: Joel Kin
Goodnight Safari
We’ve mentioned a couple of times over the past few months that there’s a side project keeping us busy. Today we are proud to announce that said project has shipped, and we can tell you all about it (except for … Continue reading
Mistakes Were Made: Integral Bounds
Here’s another mistake from the day job. (Why do they pay us? Because we do eventually find and correct our errors?) “Misaligned” CATextLayers As you may know, the Core Animation instrument has a flag to “Color Misaligned Images“. This is … Continue reading
Posted in Code
Tagged CALayer, CATextLayer, code snippet, core animation, images, Instruments, iOS, mistakes were made, Mistkaes
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All in the Timing: Keeping Track of Time Passed on iOS
Imagine you’re writing a game called Small Skyscraper. It’s one of a certain type of freemium game: it’s not particularly difficult, but achievements take a lot of time. You make money by selling in-app purchases to reduce the amount of … Continue reading
Lion: Breaking the Boundaries
New operating systems always bring so much to be annoyed by. In an attempt (perhaps already failed!) to look less like a curmudgeon, I’m going to talk about one of these things in a constructive way. Full-Screen Animations in Non-Full-Screen … Continue reading
CALayer Internals: Contents
It’s right there in the CALayer documentation: contents An object that provides the contents of the layer. Animatable. @property(retain) id contents Discussion A layer can set this property to a CGImageRef to display the image as its contents. The default value is nil. There’s … Continue reading
CALayer’s Parallel Universe
Ever tried to animate a UIView’s position? It’s easy, using UIView animation class methods like animateWithDuration:animations: and friends. Simply change the position inside the “animations” block, et voila, a pretty animation with the duration of your choice. But have you … Continue reading
Things I Learned at Siggraph
Our legions of dedicated fans (hi Mom) may have noticed a dry spell in the posts of late. This is partly because I spent last week in beautiful Vancouver, B.C., attending the annual Siggraph conference. In between time spent watching … Continue reading
Localizing Arbitrary Strings the Scripty Way
I bet you saw my post about localizing US states and said to yourself, “Ha! That little sed script won’t do much for arbitrary strings!” You’re a jerk, but yes, you’re right. Before I give it away, does anyone see … Continue reading