If you are experiencing an issue please mention the full platform your 
issue applies to:
IDE: NetBeans/Eclipse/IDEA
Desktop OS
Simulator 
Device

Our client needs to maintain a socket connection to the server. (Plain 
socket, not web socket)

Then I found the doc:
https://www.codenameone.com/javadoc/com/codename1/io/Socket.html

I see there is only `listen()` without `read()` and `send()`

Our use cases are simple, client sends some `commands` to the server, and 
the response, and render them on the UI.

Where could I find an example to implement this `read()` and `send()` 
method?
Or at least some hints.

I checked the developer guide `11.13. Sockets` too.

Looks like I need to implement a `SocketListenerCallback` class,

and doing `send()` and `read()` in the `connectionEstablished(InputStream 
is, OutputStream os)`, right?
but that's one function, how to implement the `send()` and `read()` via 
that, or is there a better way?

And it should be cross-platformable, right?

Thanks

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