checkForPermissions.kt

 private fun checkPermissions() {
        if (allPermissionsGranted()) {
            startCamera()
        } else {
             cameraPermission.launch(Manifest.permission.CAMERA)
        }
    }
    private fun allPermissionsGranted() = REQUIRED_PERMISSIONS.all {
        ContextCompat.checkSelfPermission(
            requireContext(), it
        ) == PackageManager.PERMISSION_GRANTED
    }