gxh-apologize

@AndyAls 您好，返回数据接收不到解决了吗？我也遇到了相同的问题。

I have the same exception accidentally . don't know why.

后面我们使用的原生camera来预览的，效果也很好，usb摄像头也可以用原生camera，这个问题并未深究。

dear all my backend signalr is in asp.net core 2.1 , but the [ java client]( https://docs.microsoft.com/en-us/aspnet/core/signalr/java-client?view=aspnetcore-2.2?) is available in aps.net core 2.2 and later...... Who has a solution to...

> Have you tried and run into issues using the SignalR Java client with your AspNetCore SignalR 2.1 app? It should work. 04-18 14:09:14.827 3655-3724/cn.gxh.view E/OkHttpWebSocketWrapper: WebSocket closed from an...

@mikaelm12 ` implementation 'com.microsoft.signalr:signalr:1.0.0 HubConnection hubConnection; public void signalr() { hubConnection = HubConnectionBuilder.create(url) .build(); hubConnection.on("Send", new Action() { @Override public void invoke() { Logger.d("gxh", "......"); } }); new HubConnectionTask().execute(hubConnection); }...

@mikaelm12 I can connect to my server with 3.0.0-preview3-19153-02 version . thank u .