ZLaunchAdVC - swift 集成app启动页广告，切换rootViewController，支持LaunchImage和LaunchScreen.storyboard，支持GIF图片显示，支持视图过渡动画... (more…)

Swift doesn’t have a built-in type for fixed-size, stack-allocated arrays. The standard library uses code generation to work around this limitation for internal use. (more…)

Learn how to unit test UIViewController and UIView in Swift 5 with Xcode and XCTest. We'll cover: benefits of unit testing view controllers; what we should be unit testing; how to design a view controller for testability; and sharpen our knowledge by writ... (more…)

In Swift, protocol-oriented programming is in fashion. There’s a lot of Swift code out there that’s “protocol-oriented”, some open-source libraries even state it as a feature. I think protocols are heavily overused in Swift, and oftentimes the pro...

This week’s article is about library development, and contains a few techniques and principles that can be good to keep in mind when designing and building reusable Swift libraries. (more…)