koobas.hobune.stream
How to create a asnetcore.signalr connection using unity and the microsoft hololens
Hey, I recently started using unity to create a user interface application for the Microsoft HoloLens. I use Unity 2019.4.0f1. As I want to use unity as a frontend for my application, I wanted to use signalr to enable communication between a server application running on my machine and the unity frontend. The minimal code for the unity signalrclient is as below:
public class SignalRConnection : MonoBehaviour { static HubConnection connection; void Start() { Application.runInBackground = true; UnityEngine.Debug.Log("Build Signalr Hub."); var connection = new HubConnectionBuilder() .WithUrl("http://PC-Name:5003/ARVista") .Build(); connection.StartAsync(); } }
Now the funny thing is, if I start the application from the editor the connection is created. However after building a UWP app with Il2Cpp no connection is created. I tested the uwp uild using a Microsoft Hololens and the HoloLens1&2 Emulator. At the player capabiities i checked InternetClient, InterneClientServer, PrivateNetworkClientServer and I added a link.xml containing Newtonsoft.Json and Microsoft.AspNetCore.SignalR.Client.
I think I miss one setting somewhere. Any idea what I can do to solve or at least analyze the problem?
Thank you very much.
Did you find a solution I have the same problem? It works perfectly fine in Unity but when I try it out on the Hololens2 I get an exception. I hope you can read the text on the img (only allowed to be 524.3KB huge )
First img is what it looks like in Unity and it works perfectly fine. Second img is from the Hololens2 
