Customize your app for Assistive Access

// Create a scene for Assistive Access

import SwiftUI
import SwiftData

@main
struct WWDCDrawApp: App {
  var body: some Scene {
    WindowGroup {
      ContentView()
        .modelContainer(for: [DrawingModel.self])
    }
    AssistiveAccess {
      AssistiveAccessContentView()
          .modelContainer(for: [DrawingModel.self])
    }
  }
}

// Display an Assistive Access preview

import SwiftUI

struct AssistiveAccessContentView: View {
  @Environment(\.modelContext) var context
  var body: some View {
    VStack {
      Image(systemName: "globe")
        .imageScale(.large)
        .foregroundStyle(.tint)
      Text("Hello, world!")
    }
    .padding()
  }
}

#Preview(traits: .assistiveAccess)
    AssistiveAccessContentView()
}

// Declare a SwiftUI scene with UIKit

import UIKit
import SwiftUI

class AssistiveAccessSceneDelegate: UIHostingSceneDelegate {

  static var rootScene: some Scene {
    AssistiveAccess {
      AssistiveAccessContentView()
    }
  }
    
    /* ... */
}

// Activate a SwiftUI scene with UIKit

import UIKit

@main
class AppDelegate: UIApplicationDelegate {
  func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
    let role = connectingSceneSession.role
    let sceneConfiguration = UISceneConfiguration(name: nil, sessionRole: role)
    if role == .windowAssistiveAccessApplication {
      sceneConfiguration.delegateClass = AssistiveAccessSceneDelegate.self
    }
    return sceneConfiguration
  }
}

// Display an icon alongside a navigation title

import SwiftUI

struct ColorSelectionView: View {
  var body: some View {
    Group {
      List {
        ForEach(ColorMode.allCases) { color in
          NavigationLink(destination: DrawingView(color: color)) {
            ColorThumbnail(color: color)
          }
        }
      }
      .navigationTitle("Draw")
      .assistiveAccessNavigationIcon(systemImage: "hand.draw.fill")
    }
  }
}