Engineering: Swift

Seeding a Core Data Store With Remote JSON Data

There are various situations where you’ll find yourself needing to import a sizable amount of JSON to seed a Core Data store. Sometimes you can ship this data alongside your app in the form of a pre-populated SQLite store. Other times, the data that you need to retrieve is so dyn…

WWDC State of the Union, What Can We Look Forward To?

Yesterday we wrote about the Apple WWDC Keynote on our blog. On the same day of the WWDC keynote, Apple also live-streamed the Apple WWDC Platform State of the Union. Apple focussed software developers often call this “the Developer Keynote”. The State of the Union session is a m…

Apple WWDC Keynote Impressions

Like many things, software development happens in cycles. Apple as a company is like this as well. Each year Apple releases new hardware and new major versions of their hardware and software. To give software developers working in the Apple ecosystem a chance to adopt new hardwar…

Server-Side Vapor Swift Implementation With Google, Apple, and Github Authentication

In this post, you’ll learn how to build a server application with the Vapor framework to provide tokens to an iOS app to use with the Stream Chat SDK. You’ll learn how to leverage different types of authentication for users and provide them with tokens. Note: for this tutorial, y…

Scaling Your Xcode Projects With Tuist

One of the biggest challenges for iOS development teams is scaling a codebase when their company or product takes off. Growth and scaling issues are a great thing, but they introduce some typical growing pains as well, like: Clearly defining responsibilities when splitting up you…

Reducing App and SDK Size With Emerge Tools

The Importance of Mobile App and SDK Size When developing a mobile app, one crucial performance metric is app size. An app’s size can be difficult to accurately measure with multiple variants and device spreads. Once measured, it’s even more difficult to understand and identify w…

Swift WebSockets: Starscream or URLSession in 2021?

Building applications such as online games and real-time chat has never been more straightforward since the standardization of the WebSocket protocol in 2011. Before that, most app experiences were plagued with manual refreshes to access the latest data available. Remember F5? Si…

Singleton vs Dependency Injection in Swift

When coding iOS apps, we often create classes that manage a particular aspect of the application. For example, it’s common to develop "manager" classes that encapsulate methods for interacting with a specific application aspect. These aspects commonly include the REST API, WebSoc…