Permission

// Register the permissions callback, which handles the user's response to the system
    // permissions dialog. Save the return value, an instance of ActivityResultLauncher.
    // You can use either a val, as shown in this snippet, or a lateinit var in your onAttach() or
    // onCreate() method.
    private val requestPermissionLauncher = registerForActivityResult(
        ActivityResultContracts.RequestPermission()
    ) { isGranted ->
        if (isGranted) {
            // Permission is granted. Continue the action or workflow in your app.
            Log.i("asdf", "Permission granted")
        } else {
            // Explain to the user that the feature is unavailable because the features requires a
            // permission that the user has denied. At the same time, respect the user's decision.
            // Don't link to system settings in an effort to convince the user to change their
            // decision.
            Log.i("asdf", "Permission denied")
        }
    }

    private fun requestCameraPermission() {
        when {
            ContextCompat.checkSelfPermission(
                this,
                Manifest.permission.CAMERA
            ) == PackageManager.PERMISSION_DENIED -> {
                // You can use the API that requires the permission.
                Log.i("asdf", "Permission previously granted")
            }

            ActivityCompat.shouldShowRequestPermissionRationale(
                this,
                Manifest.permission.CAMERA
            ) -> {
                // In an educational UI, explain to the user why your app requires this permission
                // for a specific feature to behave as expected. In this UI, include a "cancel" or
                // "no thanks" button that allows the user to continue using your app without
                // granting the permission.
                Log.i("asdf", "Show camera permissions dialog")
            }

            else -> {
                // You can directly ask for the permission.
                // The registered ActivityResultCallback gets the result of this request.
                requestPermissionLauncher.launch(Manifest.permission.CAMERA)
            }
        }
    }