SwiftUI Fundamentals

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

Part 2: Navigation & Data Flow

13. Present Modal Views

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Previous episode: 12. NavigationStack Next episode: 14. Challenge: Navigation & Bindings

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The Navigation View isn’t the only way to show new views in your app. SwiftUI also gives you a component type called Sheet.

struct DetailView: View {
  let artwork: Artwork
  @State private var showMap = false
HStack(alignment: .firstTextBaseline) {
  Button(action: { showMap = true }) {
    Image(systemName: "mappin.and.ellipse")
.sheet(isPresented: $showMap) {
  LocationMap(artwork: artwork)
.❌sheet❌🟢fullScreenCover(isPresented: $showMap)
HStack {
  Button("Done") {  }
@Binding var showModal: Bool
Button("Done") { self.showModal = false }
static var previews: some View {
  LocationMap(artwork: artData[0], showModal: .constant(true))
LocationMap(artwork: self.artwork, showModal: self.$showMap)