Learn to build adaptive layouts with SwiftUI’s ViewThatFits container. — Starting with iOS 16, SwiftUI provides a new layout container ViewThatFits which helps us build adaptive layouts. The ViewThatFits container allows us to provide multiple views while automatically picking the first one which fits into available space. Let’s directly jump into an example to see how the container might benefit…

Learn how to schedule local notifications in different ways and how to handle them. — iOS local and push notifications allow us to keep users up to date or get reminded of time or location sensitive events, even if the app is running in the background or is inactive. While remote push notifications are send by a server using the Apple Push Notification Service, local…

Learn how to use tasks to call async/await methods from synchronous code. — The async/await feature introduced in Swift 5.5 allows us to write asynchronous code in a shorter and safer way. For a recap on async/await, check out this quick guide on async/await in Swift. In some situations, we need to call async/await methods or properties from synchronous context. …

SwiftUI provides the type-erased view AnyView that can be used as a wrapper for any other SwiftUI view, for example to be able to return multiple view types from a function. While using AnyView might be a good choice in some cases, Apple recommends using alternatives when possible. That’s because…

Learn how to support multiple languages in your SwiftUI iOS app. — Supporting multiple languages is a common task when developing iOS applications. Xcode and SwiftUI make it easy for us to implement localization. Adding localization to the SwiftUI project To add localization to a SwiftUI project, perform the following steps: Create a new empty file called Localizable.strings in the project. Select the Localizable.strings file and open the…

Learn how to use Swift actors to prevent data races when working with concurrency. — At the WWDC 2021, Apple introduced Swift actors as a new synchronization tool to prevent data races when working with concurrent code. This feature is part of other concurrency developments like Swift’s async/await syntax. Let’s take a look on how Swift actors work to prevent data races. How do Swift actors prevent data races?

Learn how use async/await for asynchronous tasks. — During the WWDC21, Apple introduced the new async/await syntax in Swift version 5.5, allowing us to write asynchronous code in a shorter and safer way. Let’s directly jump into an example and look at a scenario where we are creating a view model that depends on two API requests. The callback solution To…

Learn how to use the Swift Package Manager with Xcode to add dependencies to your iOS project — It was exciting to hear Apple’s announcement of the Swift Package Manager in 2015, entering the world of dependency managers like CocoaPods and Carthage. However, it was not until the release of Xcode 11 in 2019 that Swift Package Manager became a first class citizen for iOS projects by finally…

Learn the basics for using the Core Data framework with SwiftUI in iOS — When it comes to persisting complex data structures in iOS, Apple provides us with the Core Data framework. With Core Data, we can model entities and their relationships, save data for offline use, add undo functionality and more. The easiest way to see how Core Data works with SwiftUI is…