Swift by Sundell
John Sundell
Answering your questions about Swift development and beyond.
- 1 hour 3 minutes123: “The evolution of Swift”, with special guest Nick Lockwood
On this final episode of 2022, Nick Lockwood returns to the show to discuss the overall evolution of Swift and its ecosystem of tools and libraries. How has Swift changed since its original introduction in 2014, how does it compare to other modern programming languages, and how might the language continue to evolve in 2023 and beyond?
Sponsors
- Bitrise: Rock-solid continuous integration for your Swift projects. Go to bitrise.io/swift to get started for free.
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
Links
- Nick on Mastodon
- John on Mastodon
- ShapeScript
- Kotlin
- Rust
- NSProxy
- Lisp
- Macros in C and C++
- Reflection in Swift
- PHP
- The Result type
- Classes vs structs
- Swift’s API design guidelines
- Swift Concurrency
- Swift Async Algorithms
- The Future of Foundation
- Swift Collections
- Swift Evolution proposal for function back deployment
- Building editable lists with SwiftUI
- The Swift features that power SwiftUI’s API
- Publish (static site generation in Swift)
- swift-sh by Max Howell
- Swift Evolution proposal for adding macros to the language
- Accessing a property wrapper’s enclosing instance
- Intro and outro music by Dariusz Dziuk
19 December 2022, 3:05 pm - 1 hour 4 minutes122: “Swift concurrency in practice”, with special guest Ben Scheirman
Ben Scheirman returns to the show to discuss how Swift’s built-in concurrency features, such as async/await and tasks, can be used in practice when building apps for Apple’s platforms.
Sponsors
- Essential Developer: Join the iOS Architect Crash Course to accelerate your journey towards becoming a senior developer. It’s 100% free and held entirely online.
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
Links
- Ben on Twitter
- John on Twitter
- NSScreencast
- Combine Swift
- The Nike SNKRS app
- Discover concurrency
- Episode with Doug Gregor about Swift concurrency
- The delegate pattern
- PromiseKit
- RxSwift
- Discover Combine
- Implementing debouncing using Combine
- Grand Central Dispatch (GCD)
- Async sequences and streams
- Retrofitting existing APIs with async/await support
- Async properties
- The Just publisher
- The MainActor attribute
- Point-Free’s Combine schedulers
- Previous episode with Ben about UICollectionView
- Connecting and merging Combine publishers
- Tonal Therapy
- Intro and outro music by Dariusz Dziuk
18 November 2022, 7:30 pm - 1 hour 10 minutes121: “Responsive and smooth UIs”, with special guest Adam Bell
Adam Bell returns to the podcast to discuss different techniques and approaches for optimizing UI code, and how to utilize tools like animations in order to build iOS apps that feel fast and responsive.
Sponsors
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
- Bitrise: Rock-solid continuous integration for your Swift projects. Go to bitrise.io/swift to get started for free.
Links
- Adam on Twitter
- John on Twitter
- Motion
- CloudKit
- Debouncing
- CATransaction
- Grand Central Dispatch
- UITraitCollection
- SIMD
- CAAnimation
- Modifying a view’s transform
- Snapshotting a UIView
- CALayer
- View controller transitions
- Extracting the animation curve used for keyboard presentation
- Adding spring parameters to a UIView animation
- beginFromCurrentState animation option
- Intro and outro music by Dariusz Dziuk
31 October 2022, 5:45 pm - 54 minutes 6 seconds120: “Freelancing and WWDC22 highlights”, with special guest Donny Wals
Donny Wals returns to the show to talk about being an iOS developer freelancer, and to discuss some of the key new APIs, Swift language features, and frameworks that were introduced at WWDC22.
Sponsors
- Essential Developer: Join the iOS Architect Crash Course to accelerate your journey towards becoming a senior developer. It’s 100% free and held entirely online.
- Bitrise: Rock-solid continuous integration for your Swift projects. Go to bitrise.io/swift to get started for free.
Links
- Donny on Twitter
- John on Twitter
- “What’s new in SwiftUI in iOS 16?”, with Natalia Panferova
- SwiftUI’s new NavigationStack API
- Building “desktop-class” iPad apps
- Swift Charts
- The SwiftUI Layout protocol
- UIHostingConfiguration
- NSUserActivity
- WidgetKit
- Live Activities
- AsyncCompatibilityKit
- Swift 5.7’s new optional unwrapping syntax
- Intro and outro music by Dariusz Dziuk
17 September 2022, 3:35 pm - 1 hour 15 minutes119: “The role of system design”, with special guest Gui Rambo
Gui Rambo returns to the show to talk about the role and importance of system design when building apps and open source tools, and how common app architectures and design patterns can be augmented with custom systems.
Sponsors
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
- Bitrise: Rock-solid continuous integration for your Swift projects. Go to bitrise.io/swift to get started for free.
Links
31 August 2022, 5:15 pm - 1 hour 7 minutes118: “What’s new in SwiftUI in iOS 16?”, with special guest Natalia Panferova
Natalia Panferova joins John to discuss some of the key new features that are coming to SwiftUI and UIKit in iOS 16, and to talk about her experience working on SwiftUI at Apple.
Sponsors
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
- Essential Developer: Join the iOS Architect Crash Course to accelerate your journey towards becoming a senior developer. The next edition starts on July 18th, and it’s 100% free and held entirely online.
Links
- Natalia on Twitter
- John on Twitter
- Natalia’s website: nilcoalescing.com
- The Layout protocol
- GeometryReader
- AttributedString
- Natalia’s article about the new SwiftUI navigation APIs
- NavigationStack
- NavigationSplitView
- NavigationViewStyle
- Programmatic navigation in SwiftUI (before iOS 16)
- How to sync the width or height of two SwiftUI views?
- AnyLayout
- ViewThatFits
- Natalia’s article about the new SwiftUI sheet APIs
- Swift Charts
- Rendering SwiftUI views within UITableView or UICollectionView cells on iOS 16
- Building modern collection views
- SwiftUI/UIKit interoperability
- Intro and outro music by Dariusz Dziuk
11 July 2022, 1:30 pm - 1 hour 7 minutes117: “Swift 5.7, generics, and the road to Swift 6”, with special guest Ben Cohen
Ben Cohen, manager of the Swift team at Apple, joins John on this WWDC22 special to discuss Swift 5.7, how generics have been made more powerful and easy to use, and how the language is expected to evolve towards Swift 6.
Sponsors
- Bitrise: Rock-solid continuous integration for your Swift projects. Go to bitrise.io/swift to get started for free.
- NordVPN: Get an exclusive discount on NordVPN’s excellent VPN service, by going to nordvpn.com/sundell. They even have a 30-day money-back guarantee.
Links
- Ben on Twitter
- John on Twitter
- Swift Async Algorithms
- Swift Collections
- Using the new ‘some’ and ‘any’ keywords
- Type erasure
- “What’s New in Swift”, from WWDC22
- “Embracing Swift Generics”, from WWDC22
- WeatherKit
- Regex Literals
- RegexBuilder
- Result builders
- App Intents
- Sourcery
- Doug Gregor’s “Eliminate data races using Swift Concurrency” talk
- Ben’s Swift concurrency talk from WWDC21
- Grand Central Dispatch
- Swift Distributed Actors
- Connecting async/await to other Swift code
- The Swift Mentorship Program
- Intro and outro music by Dariusz Dziuk
10 June 2022, 3:10 pm - 1 hour 5 minutes116: “The evolution of SwiftUI”, with special guest Chris Eidhof
Chris Eidhof returns to the podcast to talk about how SwiftUI has evolved since its initial release, to share several key learnings from using it over the past few years, and to discuss concepts like app architecture and state management.
Sponsors
- Judo: Quickly build native, server-driven UI for iOS and Android, and publish instantly, without having to submit updates to the App Store. Try it for free today, by going to judo.app/sundell.
- RevenueCat: In-app subscriptions made easy. RevenueCat handles the pain points of implementing in-app purchases and subscriptions, so that you can get back to building your app. Learn more at revenuecat.com.
Links
- Chris on Twitter
- John on Twitter
- objc.io
- Swift Talk
- The “App Architecture” book
- Thinking in SwiftUI
- SwiftUI’s frame modifier
- How an HStack works under the hood
- SwiftUI transactions
- SwiftUI’s state management system
- Programmatic navigation in SwiftUI
- SwiftUI animations and transitions
- Narrated
- Point-Free’s “Composable architecture”
- Intro and outro music by Dariusz Dziuk
18 May 2022, 12:55 pm - 1 hour 7 minutes115: “A framework and an app”, with special guest Simon Støvring
Simon Støvring returns to the show to talk about how he built his new text editor Runestone, how to effectively manage an app’s settings, performance tuning, and implementing an app’s core logic as a stand-alone framework.
Sponsors
- Judo: Quickly build native, server-driven UI for iOS and Android, and publish instantly, without having to submit updates to the App Store. Try it for free today, by going to judo.app/sundell.
- Bitrise: Rock-solid continuous integration for your Swift project, which now offers 50% faster builds and ad-ons for things like automatic deployment. Go to bitrise.io/swift to get started for free.
Links
- Simon on Twitter
- John on Twitter
- Runestone
- Scriptable
- Data Jar
- Jayson
- Visual Studio Code
- Working Copy
- UserDefaults
- Property wrappers
- SwiftUI’s state management system
- UITextView
- SwiftUI’s TextEditor
- TextKit
- CoreText
- UITextInput
- JavascriptCore
- Publish
- Managing dependencies using Swift Package Manager
- Simon’s website
- Intro and outro music by Dariusz Dziuk
30 April 2022, 5:20 pm - 1 hour 12 minutes114: “Accessibility on Apple’s platforms”, with special guest Sommer Panage
Sommer Panage returns to the show to discuss Apple’s various accessibility APIs and tools, how to incorporate accessibility support into a team’s overall development workflow, and what it was like being an engineering manager at Apple.
Sponsors
- Emerge Tools: Optimize your app’s startup time, binary size, and overall performance using Emerge’s advanced app optimization and monitoring tools. Get started at emergetools.com.
- Bitrise: Rock-solid continuous integration for your Swift project, which now offers 50% faster builds and ad-ons for things like automatic deployment. Go to bitrise.io/swift to get started for free.
Links
- VoiceOver
- Voice Control
- Dynamic Type
- PSPDFKit’s blog post about Dynamic Type
- Defining accessibility labels
- Accessibility traits
- WWDC session about custom accessibility actions
- WWDC session about using AXCustomContent
- isReduceMotionEnabled
- prefersCrossFadeTransitions
- shouldDifferentiateWithoutColor
- SwiftUI’s accessibilityElement modifier
- Audio graphs
- Intro and outro music by Dariusz Dziuk
21 March 2022, 6:55 pm - 1 hour 8 minutes113: “Where is Swift headed in 2022?”, with special guest JP Simard
On this 2022 season premiere, JP Simard returns to the show to discuss what’s next for Swift in 2022, and what kinds of improvements and new features that might be coming to the language during the year.
Sponsors
- Judo: Quickly build native, server-driven UI for iOS and Android, and publish instantly, without having to submit updates to the App Store. Try it for free today, by going to judo.app/sundell.
- Bitrise: Rock-solid continuous integration for your Swift project, which now offers 50% faster builds and ad-ons for things like automatic deployment. Go to bitrise.io/swift to get started for free.
Links
- JP on Twitter
- John on Twitter
- ZenTuner on the App Store
- The source code for ZenTuner on GitHub
- Property wrappers
- Result builders
- Generics
- Opaque return types
- Advent of Code
- Codable
- Swift Numerics
- Swift Argument Parser
- Swift Concurrency
- The MainActor attribute
- Sendable
- Combine
- Ted Kremenek’s “On the road to Swift 6” post
- OpenCombine
- The open source version of Foundation
- Rust
- Swift System
- Distributed actors
- Opaque parameter declarations
- Swift’s new date/time API
- Swift Markdown
- Why can’t certain protocols be referenced directly?
- Type placeholders
- Adding SwiftUI’s ViewBuilder attribute to functions
- JP on GitHub
- JP’s website
- Intro and outro music by Dariusz Dziuk
27 February 2022, 3:45 pm - More Episodes? Get the App