SwiftUI Fundamentals

Feb 28 2023 Swift 5.7, macOS Venture 13.1, Xcode 14.2

Part 2: Navigation & Data Flow

18. Environment

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Previous episode: 17. Challenge: StateObject & ObservableObject Next episode: 19. Conclusion

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This video Environment was last updated on Feb 28 2023

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What if you have some data that lots of parts of your app depend on, like your user model?

@EnvironmentObject var userStore: UserStore
  NavigationLink(destination: UserView(❌userStore: userStore❌))
@EnvironmentObject var userStore: UserStore
struct UserView_Previews: PreviewProvider {
  static var previews: some View {
@EnvironmentObject var userStore: UserStore
.onAppear { genre = userStore.currentUserInfo.favoriteGenre }
static var previews: some View {
  MovieList(movieStore: MovieStore())
@Environment(\.dismiss) var dismiss