SBPFMLBarcodeScannerInit.kt

private lateinit var barcodeScanner: BarcodeScanner
        
override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    val options = BarcodeScannerOptions.Builder()
                    .setBarcodeFormats(
                         Barcode.FORMAT_EAN_13,
                         Barcode.FORMAT_QR_CODE
                     ).build()

     barcodeScanner = BarcodeScanning.getClient(options)
}