On this special episode of the show, John and Rambo are joined by Ellen Shapiro and Kaya Thomas for the grand WWDC20 Keynote Poker game. Bets, speculations, and discussions around what Apple might release next week at the 2020 edition of WWDC.

Links

• Poker scorecard
• Apollo GraphQL
• We Read Too
• Episode 77
• Kaya’s “Meet the developer” interview with Apple
• Rambo’s WWDC20 wishlist

A deep dive into the iOS background operations model and how it could potentially be improved, rumors about both ARM Macs and a new iMac design being unveiled at WWDC20, and a discussion around designing custom systems for apps. That, and your regular updates from both John and Rambo, on this week’s episode of Stacktrace.

Links

Preparations for WWDC, a look at the first COVID-19 exposure notification apps powered by Apple and Google’s system, and a deep dive into the world of Reactive Programming through frameworks like RxSwift and Combine. Also, will cross-platform technologies like Flutter ever take over native iOS development?

Sponsor

• ZeroSSL: A new, completely free and trusted certificate authority and SSL Platform, aiming to make it easy and extremely affordable to create SSL certificates.Try ZeroSSL today for free.

Links

• CocoaHub
• Italy’s Immuni exposure notification app
• Apple and Google’s exposure notification system
• RxSwift
• Combine
• Build your own Futures and Promises library

What could an iPhone without any ports look like, and is it likely that Apple would ever adopt USB-C for the iPhone? Also, Mac development, using multiple programming languages, sharing utilities between projects, and much more.

Sponsor

• ZeroSSL: A new, completely free and trusted certificate authority and SSL Platform, aiming to make it easy and extremely affordable to create SSL certificates.Try ZeroSSL today for free.

Links

• ASCIIwwdc
• The WWDC Mac app
• Rambo’s macOS-style emoji picker for iPadOS
• John’s first and second “micro podcast”
• “A fully wireless iPhone is more likely than a Smart Connector”
• NSView’s isFlipped property
• Rambo’s event tracking loop implementation
• “Beyond the Checkbox with Catalyst and AppKit”, by Steve Troughton-Smith
• Rambo’s talk from BA: Swiftable
• Identity
• Codextended

This week, John and Rambo go on a deep dive into the responder chain and how UI events are propagated on Apple’s platforms. Also, SwiftUI vs Catalyst, Apple’s mysterious new QR codes for AR, and a visit to the Sundell R&D division.

Sponsors

• Bitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.
• Clubhouse: The collaborative home for modern software teams.

Links

• Apple’s custom QR codes for AR
• Rambo’s AR article on WWDC by Sundell
• The responder chain
• Using the responder chain for error handling
• Rambo’s dotSwift conference talk about MVC

The recent Facebook SDK crashing incident leads John and Rambo into a deep-dive on third party SDKs and various ways to handle them. Also, new thoughts and details on the rumored AirPods Studio headphones, how writing about a topic can make you re-examine your opinions on it, and the launch of FusionCast.

Sponsor

• Bitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.

Links

• John’s “Propagating user-facing errors in Swift” article
• FusionCast
• Raphael Lopes on Dribbble
• Bloomberg’s report on AirPods Studio
• 9to5Mac’s report on AirPods Studio
• The big Facebook crash of 2020 and the problem of third-party SDK creep
• Rambo’s Washington Post interview
• Facebook’s iOS SDK
• NSObject’s load method
• Charles Proxy
• MultipeerKit

John automates the deployment of his website, which just celebrated its third birthday (or is it “anniversary”?), Rambo is about to launch a new app, and the two go on a deep dive into the iOS 13.5 beta and Apple + Google’s “Exposure notification” system for tracking the spread of COVID-19.

Sponsor

• Bitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.

Links

• The Publish DeploymentMethod API
• Apple updates the 13-inch MacBook Pro
• Apple and Google’s COVID-19 tracing system

John and Rambo return to the topic of app architecture, this time to discuss how to build scalable code bases using the MVC design pattern, and also talk about what Apple’s pro-level apps (including Xcode) might look like if ported to the iPad.

Sponsor

• Disco Elysium: An award-winning and groundbreaking role-playing game, now available on Mac. Get 25% off until May 1 on Steam.

Links

• John’s new video about Controllers in MVC
• Hypervisor
• Parker Ortolani’s “Xcode for iPad” concept
• Git’s bisect feature

John writes Javascript encryption code and reviews Apple’s new Magic Keyboard for the iPad Pro, Rambo reveals an exclusive new AirBuddy feature coming in version 2.0, and the two talk about the new iPhone SE, Apple’s upcoming remote accessibility event, and much more.

Links

• Cloudflare workers
• Web Crypto
• Wat
• Publish
• AirBuddy
• Reinstalling macOS using Internet Recovery
• The new iPhone SE
• Apple’s accessibility event invitation
• The iPad Pro Magic Keyboard

John and Rambo speculate about why HomePod is now running tvOS, talk about SwiftUI view architecture and previews, and go on a deep-dive into Bluetooth Low Energy and how Rambo ported AirBuddy to the Raspberry Pi.

Download MP3

Hosts:

Gui on Twitter: @_inside

John on Twitter: @johnsundell

Links

John’s Swift tips

A guide to the SwiftUI layout system

Synalyze It! Pro

Reverse engineering the Nintendo 64 DRM

HomePod runs tvOS

Apple and Google’s COVID-19 contact tracing effort

Little America

Final Fantasy VII Remake

Sketch

Formatter for Mac

TextMate

BBEdit

Reveal

Sherlock

Visual Studio Code

GitX

Zeplin

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