currentMTU method

Future<int> currentMTU()

Just check current MTU directly

Implementation

Future<int> currentMTU() {
  return FlutterBlue.instance._channel
      .invokeMethod('mtu', id.toString())
      .then((buffer) => new protos.MtuSizeResponse.fromBuffer(buffer))
      .then((p) => p.mtu);
}