Your Second iOS & SwiftUI App

Nov 4 2021 · Swift 5.5, iOS 15, Xcode 13

Part 2: Data Flow

17. Observable Objects

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Previous episode: 16. Model Objects Next episode: 18. Challenge: Micro-Review

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Alright, we did all that work transforming our Book type, let’s see if our bookmark button is working in a live preview!


import Combine

class Book {
  @Published var microReview: String
  @Published var readMe: Bool
class Book: ObservableObject {
@ObservedObject var book: Book