update file

.gitignore

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+# See LICENSE folder for this sample’s licensing information.
+#
+# Apple sample code gitignore configuration.
+
+# Finder
+.DS_Store
+
+# Xcode - User files
+xcuserdata/
+
+**/*.xcodeproj/project.xcworkspace/*
+!**/*.xcodeproj/project.xcworkspace/xcshareddata
+
+**/*.xcodeproj/project.xcworkspace/xcshareddata/*
+!**/*.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+
+**/*.playground/playground.xcworkspace/*
+!**/*.playground/playground.xcworkspace/xcshareddata
+
+**/*.playground/playground.xcworkspace/xcshareddata/*
+!**/*.playground/playground.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

Configuration/SampleCode.xcconfig

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+//
+// See the LICENSE.txt file for this sample’s licensing information.
+//
+// SampleCode.xcconfig
+//
+
+// The `SAMPLE_CODE_DISAMBIGUATOR` configuration is to make it easier to build
+// and run a sample code project. Once you set your project's development team,
+// you'll have a unique bundle identifier. This is because the bundle identifier
+// is derived based on the 'SAMPLE_CODE_DISAMBIGUATOR' value. Do not use this
+// approach in your own projects—it's only useful for sample code projects because
+// they are frequently downloaded and don't have a development team set.
+SAMPLE_CODE_DISAMBIGUATOR=${DEVELOPMENT_TEAM}

DestinationVideo.xcodeproj/.xcodesamplecode.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<array/>
+</plist>

DestinationVideo.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildSystemType</key>
+	<string>Latest</string>
+</dict>
+</plist>

DestinationVideo.xcodeproj/xcshareddata/xcschemes/DestinationVideo.xcscheme

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+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1500"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "C4462E7029AAAB2E00E3C854"
+               BuildableName = "Destination Video.app"
+               BlueprintName = "DestinationVideo"
+               ReferencedContainer = "container:DestinationVideo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "C4462E7029AAAB2E00E3C854"
+            BuildableName = "Destination Video.app"
+            BlueprintName = "DestinationVideo"
+            ReferencedContainer = "container:DestinationVideo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "C4462E7029AAAB2E00E3C854"
+            BuildableName = "Destination Video.app"
+            BlueprintName = "DestinationVideo"
+            ReferencedContainer = "container:DestinationVideo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

DestinationVideo/ContentView.swift

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+/*
+See the LICENSE.txt file for this sample’s licensing information.
+
+Abstract:
+A view that presents the app's user interface.
+*/
+
+import SwiftUI
+
+// The app uses `LibraryView` as its main UI.
+struct ContentView: View {
+
+    /// The library's selection path.
+    @State private var navigationPath = [Video]()
+    /// A Boolean value that indicates whether the app is currently presenting an immersive space.
+    @State private var isPresentingSpace = false
+    /// The app's player model.
+    @Environment(PlayerModel.self) private var player
+
+    var body: some View {
+        #if os(visionOS)
+        switch player.presentation {
+        case .fullWindow:
+            // Present the player full window and begin playback.
+            PlayerView()
+                .onAppear {
+                    player.play()
+                }
+        default:
+            // Show the app's content library by default.
+            LibraryView(path: $navigationPath, isPresentingSpace: $isPresentingSpace)
+        }
+        #else
+        LibraryView(path: $navigationPath)
+            // A custom modifier that shows the player in a fullscreen modal presentation in iOS and tvOS.
+            .fullScreenCoverPlayer(player: player)
+        #endif
+    }
+}
+
+#Preview {
+    ContentView()
+        .environment(PlayerModel())
+        .environment(VideoLibrary())
+}

DestinationVideo/DestinationVideo.entitlements

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.developer.group-session</key>
+    <true/>
+</dict>
+</plist>

DestinationVideo/DestinationVideo.swift

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+/*
+See the LICENSE.txt file for this sample’s licensing information.
+
+Abstract:
+The main app structure.
+*/
+
+import SwiftUI
+import os
+
+@main
+struct DestinationVideo: App {
+
+    /// An object that controls the video playback behavior.
+    @State private var player = PlayerModel()
+    /// An object that manages the library of video content.
+    @State private var library = VideoLibrary()
+
+    var body: some Scene {
+        // The app's primary content window.
+        WindowGroup {
+            ContentView()
+                .environment(player)
+                .environment(library)
+            #if !os(visionOS)
+                // Use a dark color scheme on supported platforms.
+                .preferredColorScheme(.dark)
+                .tint(.white)
+            #endif
+        }
+        #if os(visionOS)
+        // Defines an immersive space to present a destination in which to watch the video.
+        ImmersiveSpace(for: Destination.self) { $destination in
+            if let destination {
+                DestinationView(destination)
+                    .environment(player)
+            }
+        }
+        // Set the immersion style to progressive, so the user can use the crown to dial in their experience.
+        .immersionStyle(selection: .constant(.progressive), in: .progressive)
+        #endif
+    }
+}
+
+/// A global logger for the app.
+let logger = Logger()

DestinationVideo/Extensions/AVExtensions.swift

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+/*
+See the LICENSE.txt file for this sample’s licensing information.
+
+Abstract:
+A structure that represents the result of an audio session interruption, such as a phone call.
+*/
+
+import AVFoundation
+
+// A simple type that unpacks the relevant values from an AVAudioSession interruption event.
+struct InterruptionResult {
+
+    let type: AVAudioSession.InterruptionType
+    let options: AVAudioSession.InterruptionOptions
+
+    init?(_ notification: Notification) {
+        // Determine the interruption type and options.
+        guard let type = notification.userInfo?[AVAudioSessionInterruptionTypeKey] as? AVAudioSession.InterruptionType,
+              let options = notification.userInfo?[AVAudioSessionInterruptionOptionKey] as? AVAudioSession.InterruptionOptions else {
+            return nil
+        }
+        self.type = type
+        self.options = options
+    }
+}

DestinationVideo/Extensions/ViewExtensions.swift

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+/*
+See the LICENSE.txt file for this sample’s licensing information.
+
+Abstract:
+Helper extensions to simplify multiplatform development.
+*/
+
+import SwiftUI
+import UIKit
+
+extension View {
+
+    /// A helper function that returns a platform-specific value.
+    func valueFor<V>(iOS: V, tvOS: V, visionOS: V) -> V {
+        #if os(visionOS)
+        visionOS
+        #elseif os(tvOS)
+        tvOS
+        #else
+        iOS
+        #endif
+    }
+
+    /// A Boolean value that indicates whether the current platform is visionOS.
+    ///
+    /// If the value is `true`, `isMobile` is also true.
+    var isVision: Bool {
+        #if os(visionOS)
+        true
+        #else
+        false
+        #endif
+    }
+
+    /// A Boolean value that indicates whether the current platform is iOS or iPadOS.
+    var isMobile: Bool {
+        #if os(iOS)
+        true
+        #else
+        false
+        #endif
+    }
+
+    /// A Boolean value that indicates whether the current platform is tvOS.
+    var isTV: Bool {
+        #if os(tvOS)
+        true
+        #else
+        false
+        #endif
+    }
+
+    /// A debugging function to add a border around a view.
+    func debugBorder(color: Color = .red, width: CGFloat = 1.0, opacity: CGFloat = 1.0) -> some View {
+        self
+            .border(color, width: width)
+            .opacity(opacity)
+    }
+}

DestinationVideo/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+	</array>
+</dict>
+</plist>

DestinationVideo/Model/Destination.swift

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+/*
+See the LICENSE.txt file for this sample’s licensing information.
+
+Abstract:
+Constants that define named destinations the app supports.
+*/
+
+import Foundation
+
+enum Destination: String, CaseIterable, Identifiable, Codable {
+
+    case beach
+    case camping
+    case creek
+    case hillside
+    case lake
+    case ocean
+    case park
+
+    var id: Self { self }
+
+    /// The environment image to load.
+    var imageName: String { "\(rawValue)_scene" }
+
+    /// A number of degrees to rotate the 360 "destination" image to provide the best initial view.
+    var rotationDegrees: Double {
+        switch self {
+        case .beach: 55
+        case .camping: -55
+        case .creek: 0
+        case .hillside: 0
+        case .lake: -55
+        case .ocean: 0
+        case .park: 190
+        }
+    }
+}