How can you use San Francisco, the system font for macOS and Apple’s other OSes? An example traced through from macOS internals to PDF and HTML.
SwiftUI
How does SwiftUI let the user enter dates and times in its Date Picker? The answer is without seconds, which are only allowed in watchOS. And it gets worse.
Displaying log entries using semantic colour seemed most appropriate using AttributedString, but performs very poorly. The solution is a SwiftUI List view.
Moving away from using the log command tool to obtain log extracts for browsing requires using OSLog. Its API explored and implemented in a demo app.
Swift source code implementing drag and drop and more, to accompany the main article.
Implementing a basic drag-and-drop app for macOS using SwiftUI: the DropDelegate protocol, and working with NSItemProvider. With full source and notarized example.
Implementing a document-based app in SwiftUI for macOS. Fun and games with menus, and what are the differences between FileDocument and ReferenceFileDocument protocols?
Swift source code to accompany article about implementing a document-based app in SwiftUI for macOS.
Why is SwiftUI so important that the Swift language was changed to make it more feasible to implement? Is it just for ease of multi-platform support? Or is it just greener grass?
Swift source code to accompany the article on SwiftUI on macOS: text, rich text, markdown, html and PDF views.
The Eclectic Light Company 