Swift Weekly - Issue #142

It’s been three years, and Swift Package Manager (SPM) is at a point where it can be useful for iOS projects. Orta Therox writes about the pros and cons of using SPM.

We might not realize it, but most of us share code with other people every single day. However, sharing code in a way that’s clear and effective can be quite difficult — and it’s easy for misunderstandings to happen, and for bugs to start occurring because an API was used “the wrong way”. John Sundell takes a look at what goes into sharing code in a nice way, and some techniques that we can employ to make any code that we share easier to understand.

Paul Samuels explains how he writes custom command line tools with Swift.

In this Keychain tutorial for Swift on iOS, you’ll learn how to interact with the C language API to securely store passwords in the iOS Keychain.

A friendly reminder about using the correct syntax in date formatters by Erica Sadun.

In this article, Ruslan Serebriakov writes about layout feedback loop debugging. He explains what it is exactly and how you can debug it in your production code.

The Codable protocol is an often used feature of the Swift Standard Library. However it is not always clear what you should write unit tests for when you are using it. Paul Samuels gives his advice.

Create a QR code Core Image in Swift by applying multiple Core Image filters to adjust the color and combine the QR code with your own logo.

This article goes through the fundamentals of the String type in Swift, from the String Encoding to the Swift String API.

Majid Jabrayilov wants to show you some practices that make your app accessible for VoiceOver users. VoiceOver provides spoken descriptions and braille output of onscreen elements.

Asynchronous code is hard and it’s very easy to make subtle mistakes. Paul Samuels looks at a real life influenced example where they accidentally made their unit tests synchronous, therefore reducing the tests effectiveness at catching bugs.

Runtime-based setup for tracking autolayout feedback loops - rsrbk/LayoutLoopHunter