Presenting errors to users is one of the trickiest things to get right in any app. Matt Gallagher follows up his previous article and this time takes a look at what to do when the user needs to be notified.
It's well known that long lines of text can present problems with readability and while the phone is unlikely to have this problem, when you get to the iPad you'll almost certainly have to consider it. I had no idea that Auto Layout included a solution for this. Keith Harrison explains.
I've been aware of the WebP image file format for a long time but as UIKit doesn't have a way of parsing or rendering them, I'd never considered using it in an iOS app. However, if you're dealing with photographic images (rather than icons, or anything that can be compressed efficiently as PNG) and still need an alpha channel, WebP can give some amazing file size savings. Dalton Cherry talks about the problem and the library they created, ImageButter.
I'm definitely guilty of naming some of my classes with the word manager. Ben Sandofsky gives some advice here on refactoring your manager classes into something more specific.