Android Java socket communication with Socket.IO

Question

I'm writing a messaging app. My server is built on node.JS and socket.io. My client should be an Android application. However, I can't seem to find a decent library that gives me a Java interface to Socket.IO (by way of websockets?). Is there some library that exists? Or do I have to fall back on another solution (which one?)?

I've found this library for cocoa: https://github.com/fpotter/socketio-cocoa. Any alternatives for Android?

Thanks!

possible duplicate of Java socket.io client

user207421
– user207421

2011-05-16 10:15:05 +00:00
Commented May 16, 2011 at 10:15 — user207421
– user207421, Commented May 16, 2011 at 10:15

koush · Accepted Answer · 2014-04-13 02:30:20Z

14

The accepted answer was lacking. They are Java Socket.IO implementations, which require netty, or only had WebSocket support. I ended up writing my own Socket.IO client on top of a lightweight WebSocket client.

https://github.com/koush/AndroidAsync

edited Apr 13, 2014 at 2:30

answered May 4, 2012 at 17:44

koush

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6 Comments

Eric Chen Over a year ago

Hi koush I tried your implementation but does not work with tornadio2 + socket.io v.9. I am now using github.com/Gottox/socket.io-java-client which also is fully compatible with Android.

Krishnabhadra Over a year ago

@e_x_p I am also using Gottox socket.io library for my application. Everything works fine except execution gets blocked on disconnection. I am not getting any exception.. Excecution just blocks..

Eric Chen Over a year ago

@Krishnabhadra this might be late but I did submit an issue github.com/Gottox/socket.io-java-client/issues/28. While it's still not fixed by the author I modified the code in my own app.

Zennichimaro Over a year ago

yes, koush's implementation is not working on v.9, I get this error on server: destroying non-socket.io upgrade and this error on client:

WebSocket.onError, Exception: java.lang.IllegalArgumentException: Value to parse may not be null.     at org.apache.http.message.BasicLineParser.parseStatusLine(BasicLineParser.java:378)     at com.codebutler.android_websockets.WebSocketClient.parseStatusLine(WebSocketClient.java:148)

sunadorer Over a year ago

Hi koush, I couldn't find a way to ask a question on github. Do you have any plans (or know of a fork of your project) using http long polling as fallback when a connection via web-sockets fails?

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