Thu, Jan 29
Create Libraries In Swift Using Function Composition

Chris Eidhof, think objc.io, gave a talk on building micro-libraries in Swift:

“The way that I work in Swift is just starting out by playing around a little bit and calling some functions. You wrap them in an autofunction and you can keep refactoring and massaging this until you end up with lots of short, small, sweet functions.”

Also worth a visit is Chris’s presentation on functional programming in Swift.

Wed, Jan 28
Learn Swift Development From Stanford University

Stanford University has updated their popular iOS programming courses focusing on Swift (versus Objective-C):

“Stanford University’s iOS programming course, one of the most popular on iTunes U with over 1.2 million downloads, is now being taught using Swift. Learn how to build apps with this exciting new programming language by following Stanford’s curriculum: Developing iOS 8 Apps with Swift.”

Tue, Jan 27
Creating an Action Extension on iOS

Lukas Petr on examples of an iOS app extension:

“…you can use a Today extension to create a widget that will appear in Notification Center, a Sharing extension that will let the user share to their social network, or an Action extension that lets the user act on current content—either view it in a different way or change it.”

The tutorial creates an action extension using the speech synthesis API of the AVFoundation framework to read text aloud.

Translucency and Transparency in Metal

Warren Moore continues his series on coding with Metal on iOS:

“In this post, we’ll explore a couple of related techniques for achieving transparency and translucency: alpha testing and alpha blending.”

The Metal source code for Warren’s examples are available for download.

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