ContentView.swift

struct ContentView: View {
    
    @State private var currentCGImage: CGImage?
    @State private var stateServerUrl: String = ""
    @State private var stateAuthToken: String = ""

    private let captureManager = CaptureManager()
    
    var body: some View {
        VStack {
            CameraPreviewView(image: $currentCGImage)
                .onAppear() {
                    captureManager.setCameraCallback { [self] (image: CGImage?) in
                        NSLog("Camera callback: \(image?.width ?? 0) x \(image?.height ?? 0)")
                        self.currentCGImage = image
                    }
                }
            Grid {
                GridRow {
                    Text("Server URL")
                    TextField("https://example.com/whip",
                              text: $stateServerUrl)
                }
                GridRow {
                    Text("Auth token")
                    TextField("",
                              text: $stateAuthToken)
                }
            }
            Button(action: { }) {
                Text("Connect")
            }
        }
        .padding()
    }
}