A guide to safely unwrapping optional values in Swift using optional binding, covering syntax, use cases, and best practices.
A guide to debugging Xcode scheme pre and post actions by logging script output to a file, with a detailed shell script walkthrough.
A guide to implementing unit testing and UI testing for Swift applications, covering principles, best practices, and a practical case study.
A technical guide to fully customizing the UINavigationBar in UIKit, covering background, title, button colors, and status bar style.
Guide on connecting a Windows machine to a Mac with an M1 chip for iOS development with Xamarin MAUI in Visual Studio 2022.
A tutorial on implementing single and multiple selection in UITableView using UIKit's diffable data sources.
A developer shares common tips and feedback from reviewing over 10 iOS app press kits, focusing on content, screenshots, and asset presentation.
A beginner's tutorial covering the basics of creating, accessing, and manipulating arrays in the Swift programming language.
Explains why XCTNSPredicateExpectation is slow for async tests and recommends using Nimble's toEventually for faster, more reliable tests.
Explores strategies for writing unit-testable code within SwiftUI views, separating UI logic from business logic for better verification.
A tutorial on implementing gradient borders for UIViews in UIKit using CAGradientLayer and UIColor patterns.
A collection of 10 modern UIKit tips for iOS developers, covering dark mode support, trait collection changes, and UIButton context menus.
A tutorial on implementing a UIPageControl indicator for horizontal sections in iOS using Compositional Layout and Diffable Data Sources.
A web tool to preview custom app icons on a real iOS device by adding them to the home screen via Safari.
Explains two Swift techniques for capturing 'self' strongly within escaping closures, including explicit 'self' keyword and capture lists.
A developer's experience creating a document-based app using Swift Playgrounds 4 on iPad, including challenges with file type declarations.
A tutorial on creating a reusable AsyncButton in SwiftUI to handle asynchronous actions and prevent duplicate calls.
Explains how to use CloudKit's public database for hosting app content and managing feature flags, enabling remote updates without app releases.
![Where to promote your app for free? [2026 update]](https://alldevblogs.blob.core.windows.net/thumbs/article-bdadda6ef417-full-c061d263.webp)
A guide for indie developers on free platforms to promote their apps, including forums, subreddits, and newsletters, updated for 2026.
A video tutorial on implementing in-memory and disk-based caching in a SwiftUI news app using the Task modifier and Actors.
