플러터에서 stomp 연결을 하려면 stomp 라이브러리를 우선 삽입해준다. https://pub.dev/packages/stomp_dart_client stomp_dart_client | Dart Package Dart STOMP client for easy messaging interoperability. Build with flutter in mind, but should work for every dart application. pub.dev 플러터 터미널에서 dart pub add stomp_dart_client or flutter pub add stomp_dart_client 혹은 pubspec.yaml에서 dependencies: stomp_dart_client: ^0.4.4 하면 된다. i..