Stacktrace

It’s finally time for another round of Apple Event Keynote Poker, with John and Rambo placing their bets as to what Apple might announce during their “Spring Loaded” event on April 20th. Also, the power of HTTP, SwiftUI for AR, Swift’s Result Builders feature, and more.

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• Rambo’s new microphone
• John’s podcasting equipment
• The Blue Yeti microphone
• Google Cloud
• Firebase
• HTTP
• URLSession
• curl
• Paw
• Protobuf
• Dave DeLong’s series on HTTP in Swift
• Managing URLs and endpoints in Swift
• Result builders
• Publish
• Annotating properties with result builder attributes

John and Rambo talk about Kara Swisher’s recent interview with Tim Cook, Apple’s upcoming App Tracking Transparency initiative and the new additions to Apple Arcade, and classic vs modern UIKit. Also, behind the scenes of this year’s April Fools’ jokes, and a somewhat unique #askStacktrace segment.

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• iOS Dev Weekly
• Modern UICollectionView APIs
• UICollectionViewFlowLayout
• Codable
• Using property wrappers to customize Codable
• Codextended
• SwiftSiri
• AirBuddy Buddies
• FanFan
• The source code for FanFan
• Imagine Engine’s macOS display link implementation
• Kara Swisher’s interview with Tim Cook
• App Tracking Transparency
• Apple Arcade’s recent expansion

John is excited about SwiftUI animations, Rambo updates the unofficial WWDC app, Xiaomi resurrects AirPower, and Apple announces WWDC21. Also, the latest Apple TV rumors, and what’s good to keep in mind when hosting a Hackathon.

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• The unofficial WWDC app for macOS
• Apple’s official Developer app
• SwiftUI animations
• UIView’s animate API
• UIKit animation options
• Rambo’s animation talk from BA: Swiftable
• Swift by Sundell Discover: Combine
• Apple’s WWDC21 press release
• Rambo’s tweet about Apple’s WWDC announcement artwork
• Xiaomi’s version of AirPower
• Report on the new Apple TV remote

Rambo launches a new app, John has thoughts about SwiftUI’s heavy usage of Swift’s type system, and it turns out that there might be more to the HomePod mini than meets the eye.

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• Rambo’s new app: PhotoStapler
• PhotoKit
• The SwiftUI layout system
• Core ML
• The DeepLab ML model
• TensorFlow
• Bindable SwiftUI list elements
• UIAppearance
• Mark Gurman’s latest report about the HomePod mini

Optimizing the performance of SwiftUI views, mixing client work with indie development, Apple’s recent discontinuation of the original HomePod, and what it takes to provide really good feedback and bug reports when testing an app.

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• Picking between a computed property and a method
• Lazy properties
• StateObject
• Instruments
• TechCrunch’s article about the HomePod discontinuation
• Michael Kukielka’s tweet about HomePod shipping with an older iOS version
• AirPort Express

Rambo picks up Android development, John is continuing to turn into a Mac developer, and the two discuss the recent discontinuation of the iMac Pro and how developers can improve the way they communicate with other team members.

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• ScrollViewProxy
• Building modern collection views
• NSTableView
• NSScrollView
• Xiaomi Redmi Note 9
• Fork

Localizing an indie app, the stability of SwiftUI previews, various ways of storing and handling app data, and whether Apple might be building a general-purpose cloud computing platform.

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• OneSky
• Apple’s XLIFF localization file format
• Swift by Sundell episode featuring Eliza Block from Apple
• Core Data
• Realm
• Keychain Services
• SwiftNIO

App Clip analytics, building macOS apps using SwiftUI, Apple’s initial response to the latest App Store scams, speculation about what a potential Apple March event might include, and getting started with unit testing.

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• Chibi Studio’s App Clip
• How Rambo built his App Clip
• Apple cracks down on apps with ‘irrationally high prices’
• Apple March event rumors
• Discover unit testing on Swift by Sundell

After a deep dive into various ways of making Swift interact with C++ code, as well as the latest AirBuddy and humidifier hack updates, John and Rambo discuss the recent discontinuation of Swift for TensorFlow, and whether open sourcing commercial projects is a good idea.

• Objective-C++
• “Swifty Objective-C” on the PSPDFKit blog
• CF_SWIFT_NAME
• The board that Rambo uses for his humidifier hack
• PodcastMenu
• ObservableObject
• Rambo’s “You can use SwiftUI today” article
• Swift Argument Parser
• Killed by Google
• Swift for TensorFlow
• Combining dynamic member lookup with key paths
• Publish

Rambo hacks a humidifier, John is excited about linting and continuous integration, and the two discuss the most recent set of exposed App Store scams and what Apple could do to improve the situation. Also, SwiftUI jobs and minimum deployment targets.

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• Raspberry Pi Zero W
• Arduino
• Bitrise
• SwiftLint
• SwiftLint’s “File Name” rule
• The recent set of exposed App Store scams
• FlickType