B4J Question WebSockets and emulators

LucaMs · Aug 6, 2014

My first steps with WebSockets.

I have tried to start developing my "game architecture" using WebSocket Client Library as basic.

First step, first snag.

My "draft" works using a PC as server and my smartphone as client. It does not work using an emulator. The example WebSocket Client Library works in both cases.

(Note: My draft works using my smartphone, but I don't like it; it remember me the "spaghetti programming". So, I should ask how RunFunctionWithResult works, thinking that I could use it, but I'm hearing: "Please start a new thread for this question." )

Thank you in advance

Erel · Aug 6, 2014

I recommend you to avoid using the emulator at all. Use a real device instead.

ws.RunFunction runs a JavaScript function (usually a void function).
ws.RunFunctionWithResult runs a JavaScript function and returns the function result as a Future object.

LucaMs · Aug 6, 2014

Erel said:
I recommend you to avoid using the emulator at all. Use a real device instead.

Yes, I know, and I agree, but when you have time (ie never ) could you compare the two projects? They are almost identical and, tested on the same emulator, your project works well, mine not!

Also, I would need to run tests with 6 devices!

Erel said:
ws.RunFunction runs a JavaScript function (usually a void function).
ws.RunFunctionWithResult runs a JavaScript function and returns the function result as a Future object.

Yes, I had understood that difference, but the code "waits" for the result?
In addition, the Future object is a mystery

uhm what can I say, now? Damn memory... Oh, yes... THANK YOU, EREL

Erel · Aug 6, 2014

See the network latency section here: http://www.b4x.com/android/forum/threads/webapp-hello-world-web-app.39808/#content

Only when you call Future.Value will the thread wait for the value to be available (if it is not already available).

LucaMs · Aug 6, 2014

Erel said:
See the network latency section here: http://www.b4x.com/android/forum/threads/webapp-hello-world-web-app.39808/#content

Only when you call Future.Value will the thread wait for the value to be available (if it is not already available).

Many thanks

B4J Question WebSockets and emulators

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