Migrating Swift API Calls to Async Await
This post walks through the process to upgrade a set of nested API calls from the familiar closure syntax to the new and improved Swift async/await syntax.
Rob Kerr
App development for iOS, creating applications for my own development studio (Cuvenx Inc.), and consulting with awesome clients to build their mobile applications.
Observing ViewModel Changes in SwiftUI
This post presents three approaches to signaling changes to the SwiftUI that I’ve found useful in various scenarios: @Published variable binding, .onChanged() events and NotificationCenter messages.
Integrating Firebase with Google Big Query for Realtime Mobile App Analysis
This post presents an architectural pattern for enabling rich mobile app analysis by integrating app telemetry data with Google Big Query.
Access the iOS file system from Terminal or Finder with iFuse
Back in the day the original iPod could be plugged into a computer and used as an external hard disk. Alas iOS doesn't provide this feature, but it's still possible for those determined enough to find a way.
Why Jetpack Compose is a game-changer for Android Development
Last week Google launched Jetpack Compose into Beta status, with a target production release of Summer 2021. In this article I'll cover at a high level what Jetpack compose is--and why it promises to fundamentally change and radically improve native Android development.
What's SwiftUI and Should I use it?
SwiftUI is Apple's new development language and paradigm for building applications for its desktop and mobile platforms. In this article I'll discuss at a high level what SwiftUI is and how businesses and developers should think about its adoption in their development planning process.
Swift Closures Field Notes
A cheat sheet of Swift closure snippets and examples I've collected over time to help get syntax and usage right the first time.
A visual reference to SwiftUI DatePicker styling for iOS and macOS
SwiftUI's date picker provides a wide range of visual selection functionality and style choices. This post provides a visual reference to the actual UI appearance created by various picker configurations.
Creating an iOS bar chart in code using Swift
Displaying data in a chart is a common task in an iOS application. In this tutorial I'll demonstrate how to use Swift to create a resizable, dynamic bar chart composed of UIView elements with Auto Layout constraints entirely in code.
Swift String Field Notes
A cheat sheet of snippets and examples I've collected over time of using Apple's String class and related string processing and string manipulation techniques
Using automatic API request retries make iOS apps more resilient
In a perfect world every network request will succeed on the first try. But in the real-world, not every API request succeeds. This post covers a technique to build automatic retries into an iOS or macOS client application.
Swift Dictionary Field Notes
A cheat sheet of snippets and examples I've collected over time of using Apple's Foundation Dictionary class.