This week's SwiftLee Weekly covers: Microapps architecture Private APIs for hidden UIKit views SwiftUI tracing using Macros Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Unique values in Swift: Removing duplicates from an array Removing duplicates from an array can quickly become a performance challenge when your array has thousands of items. In this week's article, we discuss performant options to efficiently get unique values, including an extension to filter by a specific...
12 days ago • 5 min read
This week's SwiftLee Weekly covers: Build apps without Xcode or xcodebuild Camera support for Xcode's Simulator An App Store Connect feature you need to enable Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Billing Grace Period Explained: How It Works and Why It Matters During a workshop with Apple last week, I discovered several optimizations for my apps. One of them is a feature that's disabled by default, but that can reduce churn and retain more revenue: Billing Grace Period....
19 days ago • 5 min read
This week's SwiftLee Weekly covers: Default Isolation in Swift 6.2 The .ignoredByLayout() modifier in SwiftUI Optimizing Mathematical Computations in Swift Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Institutional Purchases: Understanding and Detecting Recently, I discovered a spike in total downloads of 25K installs. Yet, I did not see an unusual spike in trials or purchases. I decided to dive in and found out it was caused by something called Institutional Purchases. SPONSORED...
26 days ago • 5 min read
This week's SwiftLee Weekly covers: Testing SwiftUI views What's new in Swift 6.2? Using Model Context Protocol on iOS Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Universal Links implementation on iOS Do you know the difference between deeplinks and universal links? I can at least tell you that Universal Links offers a much better user experience. This week's article explains both differences and how you can implement them for your apps. SPONSORED Is Your Mobile CI/CD Pipeline...
about 1 month ago • 6 min read
This week's SwiftLee Weekly covers: 3 Indie Marketing Tips Using Task Local values for dependencies Will WWDC have a big impact? Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Testing push notifications on the iOS simulator Many apps support push notifications, but Xcode doesn't provide an easy way to test them in the Simulator. Your options are limited, and many developers reach out to their physical device combined with some kind of testing server. Luckily, there's a native Mac...
about 1 month ago • 5 min read
This week's SwiftLee Weekly covers: On-Device AI Models A single line that bricks your iPhone What happens if you don't know the answer? Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST SwiftUI ForEach Explained with Code Examples ForEach in SwiftUI is an essential element that we all use, but it can sometimes be confusing. The use of the Identifiable protocol is key, and an enumerated approach can help you make index-based adjustments for the presented content. SPONSORED What's the...
about 2 months ago • 5 min read
This week's SwiftLee Weekly covers: A first look at Swift 6.2 A code deprecation coming in iOS 19 Create MCP Servers in Swift Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Swift 6.2: A first look at how it’s changing Concurrency I'm currently preparing my Deep Dish Swift conference talk and diving deep into what's next for Swift Concurrency. Since Swift is open-source, we have the opportunity to look at the latest changes that are coming up next. A few of those relate to a new...
about 2 months ago • 5 min read
This week's SwiftLee Weekly covers: How .ipa files can increase app security Optimizing user flows in apps Flexible SwiftUI user interfaces Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Swift Reduce: Combining elements into a single value Reduce is a typical functional pattern, a higher-order function that combines a collection into a single value cleanly and expressively. When I looked up how often I use it in RocketSim's codebase, I was quite surprised! Way more often than...
2 months ago • 6 min read
This week's SwiftLee Weekly covers: Structured spacing in SwiftUI Test scoping traits A great app that nobody knows about Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST SwiftUI Alert Guide + Code Examples A SwiftUI alert can be presented in several ways. In this article, we explore these common view modifiers, changing the default action of an alert, and a convenient error-presenting extension I prefer to use in my projects. SPONSORED Transform Your Career with the iOS Lead...
2 months ago • 6 min read