Topic
Animation
A browsable archive of writing and notes across the site.
Post
Avoiding singletons in Swift
Original: Avoiding singletons in Swift Original author & Copyright @johnsundell “I know singletons are bad, but…” — you hear it all the time when developers are …
Post
Different flavors of dependency injection in Swift
Original: Different flavors of dependency injection in Swift Original author & copyright: @johnsundell In previous posts we’ve looked at several ways of using dependency …
Post
What is LLVM
What is LLVM? The secret behind Swift, Rust, Clang, and more Understanding how a compiler emits native machine code makes it dramatically easier to invent a new language or enhance …
Post
Dependency injection using factories in Swift
Original: Dependency injection using factories in Swift Original author & copyright: @johnsundell Dependency injection is one of the key tools for making code more testable. …
Post
Modularising Xcode projects
Original: Modular Xcode projects Author & Copyright @pepibumur Translator: @OgreMergO Building a modular Xcode project takes a real understanding of project structure and the …
Post
Handling non-optional optionals in Swift
Original: Handling non-optional optionals in Swift Original author & copyright @johnsundell Optionals are arguably one of the most important features of Swift, and one of the …
Post
Capturing objects in Swift closures
Original: Capturing objects in Swift closures Original author @johnsundell Ever since blocks were introduced to Objective-C in iOS 4, they’ve been a core part of the most …
Post
@autoclosure && @escape
Closures are first-class citizens in Swift, which means you can pass them around as arguments. While learning Swift, you keep running into keywords that decorate these closure …
Post
Everything you need to know about iOS 10 notifications
Overview Push notifications are something we’re all familiar with — pretty much anyone with a smartphone gets interrupted by them every day. The right notification is a …
Post
Building an elastic view animation with UIBezierPath
Original: Elastic view animation, or how I built DGElasticPullToRefresh Author: @gontovnik DGElasticPullToRefresh demonstrates a springy elastic effect. Here’s what it looks …
Post
A bit about Category in Objective-C
A category in Objective-C is a compile-time mechanism that lets you tack extra methods onto an existing class. There’s one catch: you can’t add new instance variables …
Post
Understanding the Objective-C runtime
The Objective-C runtime is one of those language features that’s easy to overlook when you’re just stepping into Cocoa/Objective-C land. The reason is simple: …
Post
How we built the Guillotine menu animation for iOS
Original: How We Created Guillotine Menu Animation for iOS Author: @johnsundell Ever wondered why nearly every app’s menu is a sidebar? Why isn’t it a topBar, a …