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Article Discussion: PHP Interacting with J2ME

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  #1  
Old June 10th, 2003, 08:58 PM
mytch mytch is offline
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Article Discussion: PHP Interacting with J2ME
If you have any questions or comments about this article then please post them here!
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  #2  
Old June 14th, 2003, 04:03 AM
DDDooGGG DDDooGGG is offline
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Hi, i read this article and have found it very interesting, but i am having a problem with the writing the code for the phone. Which file do i use to store the code?
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Last edited by DDDooGGG : June 16th, 2003 at 12:55 AM.
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  #3  
Old June 17th, 2003, 09:33 AM
jasonlam604 jasonlam604 is offline
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More Detail Please
Hi DDDooGGG

Please give me more detail? What do you mean which file?
If like I can send you the source. Email me your email at

jasonlam_ at hotmail dot com

Regards, Jason
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  #4  
Old June 17th, 2003, 11:09 PM
DDDooGGG DDDooGGG is offline
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i downloaded the J2ME development kit and instaled no problem. Am i able to use IIS 5.1 instead of Apache?
Where does the following J2ME Source Code go:
PHP Code:
 import java.io.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class SimpleFetch extends MIDlet {

    private Display display;
    
    String url = "http://127.0.0.1/midlet/helloworld.txt";

    public SimpleFetch() {
       display = Display.getDisplay(this);
    }
    
    public void startApp() {
 try {
            getViaStreamConnection(url);
 } catch (IOException e) {
            //Handle Exceptions any other way you like.
            System.out.println("IOException " + e);
            e.printStackTrace();
 }
    }
    public void pauseApp() {   }
    public void destroyApp(boolean unconditional) {  }

    /**
     * Read URL as Stream
     */
    void getViaStreamConnection(String url) throws IOException {
        StreamConnection streamConnection = null;
        InputStream inputStream = null;
        StringBuffer b = new StringBuffer();
        TextBox textBox = null;
        try {
          streamConnection = (StreamConnection)Connector.open(url);
          inputStream = streamConnection.openInputStream();
          int ch;
          while((ch = inputStream.read()) != -1) {
             b.append((char) ch);
          }          
          textBox = new TextBox("Simple URL Fetch", b.toString(), 1024, 0);
        } finally {
           if(inputStream != null) {
              inputStream.close();
           }
           if(streamConnection != null) {
              streamConnection.close();
           }
        }        
        display.setCurrent(textBox);
    }
} 


How do i call this file in the mobile?
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  #5  
Old June 18th, 2003, 02:11 AM
jasonlam604 jasonlam604 is offline
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Learn J2ME
I assume you know Java, just follow the user guide

If you installed it on your c: drive you will find it under

c:\WTK20\docs\UserGuide.doc

The guide goes through a simple build and compile. Once
you've done that then use the code in the article.

Regards, Jason
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  #6  
Old June 20th, 2003, 04:03 AM
AmericanD AmericanD is offline
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Hey Jason,

Nice article! oh man i just thought JSP could link with J2ME and was dying for a better solution. PHP saved the day

ok i got 3650 just for J2ME programming. I've done alot on the emulator so far.

and i also got the USB bluetooth belkin adapter and tested it with my laptop and detecting the phone. works fine

but now how do i move my application .jar or .jad file to the phone? any idea? and which directory does WTK store the .jar and .jad file?

lookin forward to hear from you. I even emailed you once a few weeks back ..

take care
saeed
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  #7  
Old June 20th, 2003, 09:40 AM
jasonlam604 jasonlam604 is offline
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Hi AmericanD

Sorry I must have deleted your email by mistake!

If you installed it on your c: drive you will find it under

c:\WTK20\apps\[name_of_project]\bin\[name_of_project].jar
c:\WTK20\apps\[name_of_project]\bin\[name_of_project].jad

Do you have the 'Nokia PC Suite' software from Nokia, this will
allow you to upload via infrared, bluetooth or USB. Try this
url URL
If it doesn't work just go to URL select 'Phones'
form main menu and select your phone from drop down ---->
3650 <---- and then near the bottom there should be a link
about software download... then just follow a few more links
and the download should start. Yes it is FREE.

fyi, any language/script can link to J2ME as long as
you use the same protocol, SOAP, sockets, HTTP,... etc

Anymore questions or problems email me, if you don't hear
from me within a few days try again

I hope I've been helpful!

Regards, Jason
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  #8  
Old August 8th, 2003, 08:06 AM
hmiz hmiz is offline
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Hi, I found this article very very helpful but if could someone help me with this problem.. I have a php page and I want a MIDlet to interact with it. I want the user to enter their username and password and then the information should go to the page using POST. Could someone please help me?
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  #9  
Old November 21st, 2003, 06:50 AM
conoroleary conoroleary is offline
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This is an well written article, I have a problem though when I try to run the 'simple web services' example:

org.kxml.io.ParseException: unexpected: StartTag <br> line: -1 attr: null @-1:-1

Does anybody know why this is happening? Thanks in advance.
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  #10  
Old December 2nd, 2003, 01:11 PM
FrankieShakes FrankieShakes is offline
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conoroleary,

Can you post the code you're using? Did you copy directly from the article, or did you retype it yourself?
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  #11  
Old December 3rd, 2003, 07:00 AM
conoroleary conoroleary is offline
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Thank you for your interest FrankieShakes.

I've recognised the problem now: on the server I used the wrong 'include' path to my SOAP classes.

This raises a new question for me: how do I debug SOAP servers(I had no idea from the client output what the problem was)?
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  #12  
Old December 11th, 2003, 06:21 PM
FrankieShakes FrankieShakes is offline
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conoroleary,

That's a good question... What SOAP package were you using on the server side? Were you using any client-side (J2ME-enabled) SOAP clients?
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  #13  
Old December 12th, 2003, 04:19 AM
conoroleary conoroleary is offline
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I was using NUSOAP on the server side,
Ksoap on the J2ME client.

It's the servers responcibility in this instance to throw an appropriate error message, maybe $php_errormsg could be returned to the client?

http://www.php.net/manual/en/reserv...s.phperror msg
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Old December 15th, 2003, 02:56 PM
FrankieShakes FrankieShakes is offline
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I haven't yet played with NuSOAP... That's actually something I plan on doing early this week. Was hoping to get to it today, but things have been pretty busy for me.

As for the $php_errormsg, that seems like a good way of doing it. You could definitely build that functionality into your service.

I'm working on a J2ME app that will return currency exchange information using XML-RPC... I may also look into using SOAP, as there are many SOAP services that offer currency information. I wasn't able to find any XML-RPC services, so I was developing my own.

OT: Were you able to get the kSOAP examples working at all? I keep getting an exception whenever I try to run the examples through the WTK emulator.
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  #15  
Old December 16th, 2003, 04:43 AM
conoroleary conoroleary is offline
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What type of exception errors were you getting?

I've left this project for the moment, so I haven't tried to get KSoap to work yet.

How will you keep the currency rates updated?

I will be developing a similar project later in the year, and I imagine I will probably be using http://www.xe.com/ucc/ (or similar) to get the currency converision rates for 'my' web service.
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  #16