I want to learn about java on mobile platform specifically palm os. I try to fine stuff from this fourm and followed various linkis mentioned. and after 1 day of efforts, I am back to square 1. I want to know where to start. some one told to go to ...

hello,all.when i compiled a java example with j2mewtk,it builded failed because there is not the package com.sun.kjava.where can i find the package com.sun.kjava?Do the j2me inclued it ?

I wanna to implement a login system using java card.whenever a user goes to the URL, it prompts to the user that he needs to plug in his java card, and the program reads the login token from his card.if the token matches with the one in DB, he can then login successfully. Fail ...

i coded an application for palm os using ktoolbar. the application was workin fine on the emulator but once i ported it to Palm Vx there was a problem. everytime the native keyboard is invoked the screen is fuzzed. can anyone tell me what the problem might be or if it has anything to do with ...

whenever i run apdutool command after running the jcwde is gives an unknown hostname error

Hi ,I am developing a web/wireless application which required client/server authentication process .I am new to J2EE platform and i only know this is related to JMS and J2EE.Okay here are the step i get from my colleage.1.User will register the system using web/wap or SMS .2.Check channel ...

Hi All,Could anyone please suggest me how to read data from barcode-reader at the client side in a web-application scenario.ThanksG.Vijay

hi, I have this problem when trying FirstMIDlet.Could anyone of you help me?When "Build", following error message comes out: C:\J2mewtk\apps\FirstMIDlet\src\FirstMidlet.java:4: class FirstMIDlet is public, should be declared in a file named FirstMIDlet.javapublic class FirstMIDlet extends ...

Does J2ME support JNI?Any idea how to make one?

Sir,Please give me an Idea about How Java reads encoded barcode from scanner device and what is the API for Java interface with Barcode scanner which is possible through Web application(like servlet, Applet,etc).Perumal.

Hello All,If need help on how to find out all the Device services registered by a particular bundle, without using a filter (deviceClass). All I have is the BundleContext and If I use it to getServiceReferences without a filter, meaning If I use , bundleContext.getServiceReferences ...

Hi, I am writing a PersonalJava app that runs on the Jeode VM on a compaq iPAQ (PocketPC). I need to read from the serial port but can't see a way to do it. Does anyone know of a way?any advice greatly appreciated!David

Hi I'm trying convert the jar and the jad files of the FirstMIDlet example. I can compile, preverify and test in the phone, but when I try to use the tool converter of midp for palm os i get an error:File:C:\j2me\midp4palmos\midp4palm1.0\first.jad Result:Failed: The .JAR file cannot be ...

Using J2ME and Palm os emulator to simulate using a palm pilot to access web pages on my own server? What tools are out there for me to use? Do you know of any tutorials that may help me do this?Thank you for your reply.Luu

I have written a midlet which needs to connect to an Http server . when I have run the midlet in J2MEWTK 1.0.3, I am getting the following error startApp threw an Exception java.lang.NullPointerException java.lang.NullPointerException at FirstExample.downloadPage(+159) at ...

Does anyone know where I can find a (full or partial) listing of which processors and/or OSs the KVM has been ported to? Of course, there are those included by Sun, but how can I find out where else it is available?Additionally, how difficult is it to port the KVM to a new processor? Is an OS ...

My MIDlet works beautifully inside the Palm emulator. It makes an HTTP request to my servlet, and correclty handles the binary data it gets back, using HttpConnection.openInputStream().However, when I run the same MIDlet from my Visor Neo (after first establishing an internet connection), the ...

I am Having a reader(by name Smartclip) From Sunderland Technologies,Singapore .Sunderland has developed their Drivers using Metrowerks CODEWARRIOR R6.I dont have CODEWARRIOR R6.Moreover I am having Smartcard of Specification-Gemplus MPCOS-EMV ISO-7816.My question is that Can I use this card ...

For people who are interested in personal java programming, what processor is best in terms of power of CPU and availablility of the latest pjava? Initially I thought StrongArm processor was the way to go. But then I find out that the early access version which is based on the older version ...

Hello,I am trying to open new spotlet from existingone by useing this line:new Spotlet2(this).register(Spotlet.NO_EVENT_OPTIONS);the spotlet finish its constractor and the register method and then i get java.lang.IllegalThreadStateExceptionI tried to atch it but i do not know where do i do ...

Hey,There are no double and floats at KVM,what can i use instead?I need something simple and stable.Thanks,Les.

Is it possible to write a java program that knows it is running on a Palm (for example) and can take advantage of that to: interact with the buttons or IR port, or to access the native Palm databases?I've done some java/palm programming but can't find a way to do this.Brian Tarbox ...

I ran the JMStudio program on the CrEme JVM on iPaq 3760. I can see the window comes up and I can see the JMStudio startup screen, but I can not see the menus. Anybody else come across the same problem? I am guessing that the JMStudio menus are hidden under the start menu bar.

Dear friends Could anyone help me out by letting me know of what are the tools that are needed to write smart card programs in java to write smartcards and read data from.Being a novice in this smart card technology , i couldn't apprehend where and how to proceed . For your reference, i need ...

My MIDlet works beautifully inside the Palm emulator. It makes an HTTP request to my servlet, and correclty handles the binary data it gets back, using HttpConnection.openInputStream().However, when I run the same MIDlet from my Visor Neo (after first establishing an internet connection), the ...

Hi, I have written an application using Java SDK 1.3 and JMF which receives RTP media streams. I would like to port it into a Compaq IPaq. How do I go about this using PersonalJava?

Hi Everyone,I've written an application in MIDP which connects to a servlet and the servlet returns some information using a HTTP connection. Now I want to build in some sort of security and heard that it is possible to use HTTPS. Does anyone know some links where there is a tutorial or ...

I'm trying to install my own SecurityDomain. It's all right before i try to execute Install [for install]. I can install my applet without different rights or with some of them, such as "default selected" or "card termination". When i try to assign to my applet "security domain" rights - i ...

Does anyne know if it is possible to dynamically load a class into a Midlet, using Class.ForNameThe command is part of the J2ME API, but the question is - does the class being loaded need to be part of the midlet suite the parent midlet came in?What I want is to be able to dynamically upload ...

hi,When i try to start midp , i get the next message :Warning : could not open config file (c:\j2me\midp;\lib\internal.config): storageOpen() c:\j2me\midp;\lib\internal.config : No such file or directoryWhat changes do i have to do?Thank's

Hello, my problem is running Jes2.0 install on winNT2000..Okay first I have both JRE1.4 adn JRE1.3 installed which I imagine is where the problem is because the installer hangs when it sees that the registry value is set to JRE1.4..What would I need to correct the problem..I should preface this ...

Has anyone had any luck getting the ssl stack on j2mewtk's MIDP impl to trust servercerts?I have imported all the verisign certs into my j2me keystore (-domain trusted), and I'm certain my target site is using a valid verisignn key (https://banking.wellsfargo.com for example). do i actually ...

I try to develop a applet WEB that has to access to a terminal GEMPLUS410. When the applet is loading, a button that contain the code following :"SmartCArd.Start;"This instruction make a mistake. "Caught java.lang.NullPointerException: name can't be null while loading driver ...

i write a simple application and complie it and download the sample.class to my Ipaq device.then i run the Jeode EVM console and tryed to run the class file and it didn't workthe command i write was: -cp \windows\lib\samplethen console closes reel fast so i can't see the errori need help how ...

Hello,I have written a wireless game that I want to let people freely download onto their cell phones. Can I just put it up in my WML webserver and tell people the address? Or must I sign up with the telecom operators?Thanks.

I have a stinging problem. How can I receive SMS message on my MIDLet(in a Java enabled phone)? Is that ever possible? What I am investigating is1)Server sends a URL encoded SMS using subscriber's ph no.2)MIDLet receives SMS and extract URL3)MIDLet downloads info from remote server using ...

I want to start practice palm programming but don't know how to start. I installed MIDP for Palm on my Palm Vx, and what do I need to install on my computer?A Palm Emulator? CLDC? MIDP? JDK? Wireless Toolkit? or?And do I need to setup any path or classpath? I searched on the web for the ...

I want to make function to enable user to key in some parameters and transfer to Canvas to draw some pictures. But I found that Canvas cannot get the key input varible. How to do that? Please help me, thanks!

hi all, i have just downloaded the J2ME toolkit version 1_0_3.i have a problem using hte http demo example.i am receiving the following exception:Read Page: http://www.yahoo.com/ c= com.sun.midp.io.j2me.http.Protocol@ea0ef881 java.io.IOException at ...

In JavaCard, the POP instrustion is said to work on an untyped variable."Notes:The pop instruction operates on an untyped word, ignoring the type of data it contains."In pop2 or dup operand, the notes state that the instruction should preserve the integrity of 32-bit data types. For pop, it ...

I have a MIDlet I developed which uses java.io.* and javax.microediton.* packages. The MIDlet reads http data and displays it (pretty simple). In fact, it uses some of the sample code from this site.Runs fine on the emulator, but when loading into the phone (Motorola) the java app loader blows ...

Hello,I examined the SUN Java Card Simulator delivered with the Java Card SDK. SUN is using the TLP 224 protocol to communicate with the card simulation.I searched on the java homepage and the rest of the net, but I could not find the specification of the protocol.Does anyone have this ...

Has anybody ever managed to display images (png) with transparent background on the emulator?GreetinxBen

Hello j2me developers.I would like to build a server/client appl in j2methe app goes like thisa mobile device with player and a server that send the smv files.i saw an example of such app in jshape.com i want to know what are smv files.How can i send those files to a mobile device and retrive a ...

According to http://java.sun.com/pr/2001/06/pr010604-13.html, it should be in related to J2ME, but there's no information on http://java.sun.com/j2me, where can I find it?

Is there anyway to prevent one palm user from beaming a J2ME MIDP/PalmOS application to another Palm user. I realize that the JVM is locked from beaming. How do I lock the J2ME apps that I build?

Hi,I have bought an iPaq 3800, and installed the Jeode-VM on the machine.The installation comes with two examples:A Java application (called "Primitives Test") and a Java-applet, which is called by a Quasar.html-page.The application runs fine, but when I try to run the applet, I only see the ...

Hello All,First, I will apologize, for posting this , so not related OSGI question in this forum. However, I need help. This is going to clarify my basics in Java.I have a HouseServlet registered part of my bundle and I wanted to send my server status (serialized object) to the requesting ...

I am using my jad file to store string resources, and now that it has reached 124 lines (3.5K), any entries towards the bottom of the file are no longer available to the running applet (via Midlet.getAppProperty). Also, if any of the required entries (eg MIDlet-Name) is near the bottom, the ...

I have builded a mask to cref with wallet demo.Now, I want to configure cref to read this mask as ROM,How can I make it?thanks.