get method names passed from dart

MethodNames

private val CHANNEL = "bluetooth.channel"

override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {

        GeneratedPluginRegistrant.registerWith(flutterEngine)
        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler { call, result ->
            when (call.method) {
                "getBlue" -> bluetoothWrapper(result)
                "discoverBlue" -> discoverDevices(result)
                "allPaired" -> getConnectedDevices(result)
                "connectDevice" -> connectToDevice(call.arguments as String, result)
                "disconnectSocket" -> disconnectSocket(result)
            }
        }
    }