Your Second iOS & SwiftUI App

Nov 4 2021 Swift 5.5, iOS 15, Xcode 13

Part 2: Data Flow

11. Modal Views

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Previous episode: 10. Introduction Next episode: 12. Image Binding

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This video Modal Views was last updated on Nov 4 2021

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The next feature we’re going to work on will let users add their own images to the app from the Detail View.

import SwiftUI
  ]

  var images: [Book: Image] = [:]
}
struct Book: Hashable {
List(Library().sortedBooks, id: \.self) { book in
extension PHPickerViewController {
  struct View {
    @Binding var image: UIImage?
  }
}
  let book: Book
  @State var showingImagePicker

  var body: some View {
  @State var modalIsPresented👉 = false
      )

      VStack {
        Book.Image(title: book.title)
      }
      
      Spacer()
        Book.Image(title: book.title)
        
        Button(<#T##title: StringProtocol##StringProtocol#>, action: <#T##() -> Void#>)
      }
Button("Update Image…", action: <#T##() -> Void#>)
        Book.Image(title: book.title)
        
        Button("Update Image…") {
          showingImagePicker = true
        }
      }
          showingImagePicker = true
        }
        .padding()
      }
    .padding()
    .sheet(isPresented: /*@START_MENU_TOKEN@*//*@PLACEHOLDER=Is Presented@*/.constant(false)/*@END_MENU_TOKEN@*/) {
      /*@START_MENU_TOKEN@*//*@PLACEHOLDER=Content@*/Text("Sheet Content")/*@END_MENU_TOKEN@*/
    }
.sheet(isPresented: 👉$showingImagePicker) {
/// THE SOFTWARE.

import class PhotosUI.PHPickerViewController
import SwiftUI
    .sheet(isPresented: $showingImagePicker) {
      PHPickerViewController.View(image: <#T##Binding<Image?>#>)
    }
struct DetailView: View {
  let book: Book
  @Binding var image: Image?
  @State var showingImagePicker = false
PHPickerViewController.View(image: $image)
DetailView(book: .init(), image: .constant(nil))