connect method

Future<bool?> connect(
  1. int vendorId,
  2. int productId
)

connect connect to a printer vai vendorId and productId

Implementation

Future<bool?> connect(int vendorId, int productId) async {
  this.vendorId = vendorId;
  this.productId = productId;

  Map<String, dynamic> params = {
    "vendorId": vendorId,
    "productId": productId
  };
  final bool? result = await _channel.invokeMethod('connect', params);
  print('connected $result');
  return result;
}