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OK, things are looking pretty good. We’ve got our first bit of visuals coming through, but so far this is just an inert view with no behavior. We just have some data in the view, and we construct the view hierarchy to display it.
Things start to get more interesting once we layer on behavior in an application. The first bit of behavior we will concentrate on is navigation. We need to be able to bring up sheets, drill down to screens, and show alerts. And you may think those 3 things sound quite different, but we will show that they can be modeled in the same way.
And as soon as we start navigating around to different screens, things start getting a lot more complicated. We need to start thinking about how to best model our domains, and we need to think about how parent and child domains can communicate with each other.
Standup.attendeesto be a
NonEmptycollection using the NonEmpty package.
Learn the essentials of iOS app development by building a fully functional app using SwiftUI.
A rebuild of Apple’s “Scrumdinger” application that demosntrates how to build a complex, real world application that deals with many forms of navigation (e.g., sheets, drill-downs, alerts), many side effects (timers, speech recognizer, data persistence), and do so in a way that is testable and modular.
A library we open sourced. Tools for making SwiftUI navigation simpler, more ergonomic and more precise.
NonEmpty is one of our open source projects for expressing a type safe, compiler proven non-empty
collection of values.
These packages are available as a package collection, usable in Xcode 13 or the Swift Package Manager 5.5.