I recently developed an iOS application that compares two HTTP libs (NSURLSession and Alamofire) and I decided to use an A/B testing tool…

One of those difficult things for even experienced developers to understand is Automatic Reference Counting, or ARC. It is how Swift manages and conserves memory automatically.  Take a look at…

Power, flexibility, and encapsulation all rolled into one

Making sure that your code follows swift coding styles and conventions can be a tedious task. You can easily automate this process by using SwiftLint.

One major benefit of Swift’s protocol-oriented design is that it enables us to write generic code that’s compatible with a wide range of types. Let’s take a look at how we can wrap the Sequence protocol in generic containers, that’ll let us encapsulate various…

Software development best practices prescribe strict separation of configuration from code. Learn how you can use xcconfig files to make your Xcode projects more compact, comprehensible, and powerful.

When to use weak self? When to use unowned self? How to prevent retain cycles? Everything explained with code examples and detailed explanations.

Soroush discusses abstraction — what it is, and what it isn’t. He steps through the process of taking code that went from good to bad, and find ways to make it good again. How do we build an abstraction from code that isn’t abstract? What qualities are we…

Protocol-oriented programming is strongly recommended in the Swift community, and Apple has given a lot of guidance on how to use it in your everyday code. However, there has not been a lot of attention on when it is not appropriate, and what to do in that…

In this tutorial, you will learn about the File Provider framework and how to implement your own File Provider extension to expose your app’s own content.

Leverage the benefits of Coordinators and Storyboards.

When thinking about the great language features of Swift, few people think about `typealias` first. However, there're many situations where they can become particularly useful.

How to use flow coordinator pattern with a native navigation bar and swipe back action

Why using black backgrounds for your true-dark theme is a bad idea

In this tutorial, you’ll learn how ARC works and how to code in Swift for optimal memory management. You’ll learn what reference cycles are, how to use the Xcode 10 visual debugger to discover them when they happen and how to break them using an example of…

We have been working on multiple projects that required drawing 2D line graphs given a set of points. UIKit gives us the versatile UIBezierPath, which allows us to create a straight line graph by appending segments using addLineToPath for each point in our…

In this tutorial, you’ll learn how to manipulate CALayer properties on views in order to create a cool 3D sidebar animation.

There aren’t many resources regarding Audio Unit Extensions out there. There’s one Apple’s sample project, some info and WWDC talk about…

There's a great little library that will generate classes for accessing your resources... Learn how to make type-safe resources with SwiftGen.

View controllers tend to play a very central part in the apps we build. This week, let’s take a look at a technique that lets us reduce the size of our view controllers by extracting their core actions, without having to introduce any additional abstractions…