Systems | Development | Analytics | API | Testing

If you’re building for mobile apps, you need Realm in your life. It’s specifically designed for mobile devs and even though it’s available on multiple platforms, it’s typically used to develop iOS apps, using Swift. Built on top of SQLite Realm Swift is a very high-level abstraction layer that simplifies database operations for the developer. Today we’re going to unpack it, with a guide that drills so far down into the subject, it’s practically in Australia.

Core Data enables us to manage the model layer of an Apple application. This layer is a crucial part of our app’s engine room, allowing the pretty bits at the front end to interact with the data and business logic at the back. We love Core Data because it provides a powerful database technology framework, and it’s built on top of the SQLite management system, which requires zero configuration or external storage space.

Introduced in 2023, SwiftData is the latest addition to the range of database framework options in Swift, Apple’s primary programming language for iOS. Built on top of Core Data, two levels above SQLite, it’s great for simplifying our persistent stores and it allows us to use declarative code, which is a really useful time-saver.

The term ‘data persistence’ refers to data that remains available, even when the program that created it is idle, sleeping or unable to open. In many cases, our iOS apps need to provide support around the clock, so we need our data to be ‘always on’ – even when the apps themselves are not.

iOS in-app purchases, or IAPs, allow developers to offer content, services, and features within their iOS apps for users to purchase. This can provide a significant revenue stream for developers, while enabling users to enhance their experience or access premium content and services. An iOS in app purchase can be a good alternative to paid applications, as an iO app developer can offer the app for free and monetize it via app purchasing options.

If you’ve done any work on iOS apps these last few years, you’ll know how concise and expressive the Swift language can be. And you may well have benefited from Swift extensions, a powerful mechanism that lets you, the developer, extend both your functionality and Swift’s, by extending any Objects and Structures you need. However, the variety and versatility of extensions does present teething challenges.

In this article we’re going to examine how a SwiftUI Form can used in our SwiftUI apps. This will be a very technical article useful for any iOS developer, during which we’ll take a deep-dive into the code and then create a SwiftUI Form that combines a user profile with a settings screen. Table of Contents.

SonarQube is an open-source platform that allows you to continuously inspect and measure code quality as you develop your project. It provides static code analysis for code issues, security issues, and code smells in various programming languages, including Swift. This helps development teams maintain and improve code quality by identifying and finding issues in the development lifecycle, if paired with a good testing methodology it can make a difference in your app quality.

Swift is a high-level programming language developed by Apple, which first appeared on June 2, 2014. Swift is vast and complex, containing all the major features we expect in a modern programming language. Generics are one of the most fundamental tools in all of Swift, empowering us to write more abstract, reusable and clean code. With Generics, we can use different data types in the same functions and classes, with minimum assumptions.

Pickers are UI elements, provided by SwiftUI, that enable our users to choose between multiple options while using our iOS app. In this article we’ll have a look at them to see the various types and explore how they’re declared, configured, and styled. Together with SwiftUI buttons, pickers are one of the most used UI elements in iOS apps.