import SwiftUI struct ContentView: View { var body: some View { TabView { PreferenceView() .tabItem { Image(systemName: "person.circle") Text("Preference") } PublishView() .tabItem { Image(systemName: "record.circle") Text("Publish") } if #available(iOS 17.0, *), UIDevice.current.userInterfaceIdiom == .pad { UVCView() .tabItem { Image(systemName: "record.circle") Text("UVC Camera") } } PlaybackView() .tabItem { Image(systemName: "play.circle") Text("Playback") } } } }