How to send data from IntentService to Non-Activity class

Question

I have two Service class. one is WebsocketService(extends Service) to manage Websocket related function and SocketMessageProcessing(extends IntentService) to process response Received in WebSocketService. From Non-Activity(SocketImpl) class I am successfully able to send data to WebsocketService. But I am having trouble in sending response back to SocketImpl class from SocketMessageProcessing class.

//Common Class To send data to WebsocketService and Receive response from SocketMessageProcessing Service When Work Done. I am using this class as callback.
public class SocketImpl{

    private String json;
    private Context mContext;
    private WebServiceResponseListener mListener;

    public SocketImpl(Context context, String json, WebServiceResponseListener mListener){
    //Initilize variables
    }

    public void execute() {
        //Send request to websocket 
        WebSocketService.sendMessage(mAdapter.getContxet(), json);
    }

    public void onResponse(String resp, String tag) {
    //Here I would like to receive response from IntenService Class.
    }

}

//This class will perform Websocket related function and it will send response to SocketMessageProcessing once response received.
public class WebSocketService extends Service {
      ...

      private void processResponse(String message){
              Intent intent = new Intent(mContext, SocketMessageProcessing.class);
              intent.putExtra("DATA", message);
              mContext.startService(intent);
      }
}


//Intent service to Process the incoming websocket response, And Send response Back to Class Where Its originate(SocketImpl).
public class SocketMessageProcessing extends IntentService{

    @Override
    protected void onHandleIntent(Intent intent) {
        String json = intent.getStringExtra("DATA");
        //Process json and send data back to class from where request originate?
    }

}

Below things I have tried so far.

1. LocalBroadcastManager
   As I want to receive response in Non-Activity class I don’t know how to manage the register and unregister the BroadcastReceiver.

2. Cache SocketImpl Object and get that Object in SocketMessageProcessing and tried calling onResponse(). But I did get "sending message to a handler on a dead thread" exception, So think it is not a good idea. because onResponse method perform many UI related operations.

Any help is appreciated. Thanks in advance!

Answer 1

Option #1 that you suggested is the standard way. And you just need a context object to be able to register and unregister

LocalBroadcastManager.getInstance(context).registerReceiver(...

I've just tried that in my app from a non-Activity class (using an activity context which it needs anyway) and it works fine. I'm not sure what you mean by

I don’t know how to manage the register and unregister the BroadcastReceiver