Question

J2ME Client

Asked by: ezicoder

I would like to write IRC client for Nokia 7650.

I already made IRC client for windows.

Now all i want to know is how to connect to
one host, send data to that host and how to read
answer from host.

Example:
- i want to connect to host "irc.something.com:6667"
- i want to send some data to that host
- i want to recive answer
Could you tell me how, please?

Thank you for your answers...

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Asked On
2003-03-19 at 00:08:04ID20555786
Tags

6667

Topics

Java Programming Language

,

New to Java Programming

Participating Experts
2
Points
250
Comments
9

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Answers

 

by: TimYatesPosted on 2003-03-19 at 01:54:32ID: 8165378

From http://www.forum.nokia.com/main/1,35452,1_0_20,00.html

Q25. Can I use sockets in my application in Nokia devices?
Not at the moment. Nokia's current MIDP implementations are based on MIDP 1.0 specification, which does not support Sockets. The only supported connection type is HTTP. Support for a lower-level network API such as Socket is under consideration for a later version of the MIDP specification, perhaps in MIDP 2.0.

 

by: girionisPosted on 2003-03-19 at 01:59:16ID: 8165399

> - i want to connect to host "irc.something.com:6667"

  You have to use: Connector.open("socket://irc.something.com:6667");

> - i want to send some data to that host
> - i want to recive answer

  You have to use OutputStream/DataOutputStream and InputStream/DataInputStream to do it.

  You can find some nice tutorials here:

http://www.informit.com/isapi/product_id~%7B4CDB188A-006B-4C93-8695-577753CA5993%7D/element_id~%7BAACD7327-4988-496D-9829-B2C17C00EA79%7D/st~%7B8D7D66D7-6E9F-475E-905C-4AA4EBC5CADC%7D/content/articlex.asp
http://www.wirelessdevnet.com/channels/java/features/j2me_http.phtml
http://www-106.ibm.com/developerworks/wireless/library/wi-jio/


  amd for more information on J2ME applications look here:

http://www-106.ibm.com/search/searchResults.jsp?searchType=1&searchSite=dW&query=j2me+network&searchScope=dW

 

by: TimYatesPosted on 2003-03-19 at 02:12:58ID: 8165470

So is the Nokia FAQ wrong?

I hate their site :-(

 

by: TimYatesPosted on 2003-03-19 at 02:16:08ID: 8165485

Errr...

4. What kind of Java implementations do Nokia phones support?

Nokia Java phones launched in CeBit/CTIA, and also the Nokia 7650 imaging phone that was launched earlier, support J2ME. Nokia's J2ME implementation consists of the industry standard MIDP 1.0 and CLDC 1.0. The platform is extended by the Nokia User Interface (UI) API. It gives application developers access to certain basic phone functionality that is not specified by CLDC 1.0 or MIDP 1.0. The Nokia UI API provides access to simple audio capabilities, vibration, display lighting, as well as some graphics-related enhancements. The functionality now included in Nokia UI API is currently being specified in the MIDP 2.0 expert group. Nokia's plan is to converge with the MIDP 2.0 specification when it is finalized.

And the javax.microedition.io package is part of MIDP 2.0

 

by: TimYatesPosted on 2003-03-19 at 02:16:32ID: 8165486

So I guess it all depends on whether you can get your 7650 upgraded to MIDP 2.0...

 

by: girionisPosted on 2003-03-19 at 02:21:22ID: 8165510

 Hmm.. not sure, I only used Motorola ones with J2ME. Tbh I did not pay attention to the Nokia 7650 statement by  ezicoder so I could be wrong. Maybe ezicoder can give us some more input on the phone and profile he is using?

 

by: ezicoderPosted on 2003-03-20 at 00:52:28ID: 8172383

Thank you very much!

Regards, ToMaS

 

by: girionisPosted on 2003-03-20 at 01:58:50ID: 8172639

 Thank you for the points. I am glad I helped :-)

 

by: TimYatesPosted on 2003-03-20 at 02:43:30ID: 8172846

Bah...bet it doesn't work on his Nokia 7650 ;-P

20120131-EE-VQP-002

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