Swift, You, I
summary
A B2B call-center app is rebuilt from scratch on iOS 13 using SwiftUI and Combine, with an atomic design system driving reusable components; 95% of screens end up in SwiftUI and the rewrite ships in eight months instead of ten. Concrete wins: faster UI iteration, Core Data hooked via a repository pattern returning Combine publishers, Datadog plus Instruments and a Timeline tool for async debugging. Concrete losses: buggy navigation and tab customization forcing embedded UIKit (UITabBarController), broken responder chain on TextField, and post‑iOS14 Xcode 12 graphical fixes.
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chapters (10)
- 0:00Start
- 1:25Xcode 10
- 5:38Design
- 7:55Fast
- 8:17View modifiers
- 11:16Persistence
- 11:37Core Data
- 12:55@FetchRequest ???
- 14:56View lifecycle
- 21:36Improvements
