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Wonderous: Build Wonders with Flutter
Wonderous is an open-source iOS app built with Flutter. It features award-winning UX design and best practices for performance and accessibility. See for yourself by installing Wonderous from the App Store or downloading the code from GitHub.
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Tools
Sharing Xcode breakpoints across projects
This is a useful and quick tip from Jesse Squires for when you might find yourself using a symbolic breakpoint frequently and work on multiple apps. š
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Code
The making of Ice Cubes
Is there anyone who has released more open-source SwiftUI apps than Thomas Ricouard? You may have seen his latest project, Ice Cubes, but did you know it was open-source? This post starts with an overview of the project but quickly dives into code-related topics. š
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Introducing Roadmap
Depending on what app you work on, getting feedback from users on what they would value in your app can be really important. But those users almost certainly donāt read your blog or follow you on social media. They do use your app, though, so shouldnāt you gather that feedback there? This new library from Hidde van der Ploeg, Antoine van der Lee, and Jordi Bruin looks great.
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Scaling a Mature iOS Codebase with Tuist
Replacing a crusty old xcodeproj with a shiny new generated one using something like tuist will be tempting every time you read about it. Itās one of those āThis will be a fresh, clean startā tasks that nip at our developer brains. I enjoyed this article from Steve Landey, but you should read the whole article before diving in! Tuist is a great tool, but adopting it can create plenty of work.
Arbitrary SwiftUI Linear Gradient Rotation
It says a lot about me that my instinct would have been to draw a larger-than-needed layer with a top-to-bottom gradient and rotate it. š¬ Itās nice to see David Smith do it properly, though, and his technique is interesting.
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This week, I tried a feature of iOS that Iāve been meaning to try since the iPhone 14 debuted, Emergency SOS via satellite.
The feature is impressive, but like fall detection on the Apple Watch, you hope never to need it. Itās also a feature that you donāt want to have to try and figure out when an emergency happens, and time may be critical. To help with that, if you have a capable device, youāll have been ushered towards a demo of this feature through a banner at the root of the Settings app.
The engineering that went into that demo app is fascinating to me.
First, itās a whole separate app. It starts simply enough with some traditional onboarding screens that explain the feature. Then, when the demo begins, your cellular service is temporarily disabled, and the app appears to be tracking real satellitesĀ¹. Of course, it sends no messages, but it seems to be doing everything except that. Itās impressive and clearly took a lot of time to create.
Iād love to know how the creation of this demo app came about. Iād imagine it was a combination of genuinely wanting people to get familiar with the process before needing it for real (and without the potentially panicked state of mind), having a large amount of ādemoā code available from the inevitable test harness apps created during its development, with a sprinkle of consideration that it might also enable some word of mouth marketingĀ².
Finally, the discovery of this feature needs to be foolproof. Apple has trained everyone to expect an āEmergency Callā option when you hold down the power and volume buttons, but in a panic, Iād expect most peopleās instinct to be to head to the phone app and dial 999/911. Sure enough, it pops up as soon as the call fails.
Very few of us need to approach design at the same scale as Appleās design team, and itās unlikely youāll need to show off something quite like this in your apps. That said, I bet there are lessons you could learn from going through the demo yourself or watching someone else use it. It certainly opened my mind a bit.
Ā¹ It may not be making connections to the satellites, but itās a compelling simulation if itās not genuinely locating them.
Ā² āMy new phone can send a message to emergency services even if I donāt have a connection! Let me show you.ā
Dave Verwer