Questions tagged [java-me]

Java Platform, Micro Edition, or Java ME, is a Java platform designed for embedded systems.

Java Platform, Micro Edition, or Java ME, is a Java platform designed for embedded systems (mobile devices are one kind of such systems). Target devices range from industrial controls to mobile phones (especially feature phones) and set-top boxes. Java ME was formerly known as Java 2 Platform, Micro Edition (J2ME).

  • Technology overview for beginners on Oracle.com - Introduction to Mobility Java Technology:

    To develop applications using wireless Java technology, you'll need to assimilate information from several fields. You'll need to understand something about wireless communications technology, the business of wireless communications, and a lot about the Java platform. Where should you begin? This page contains a high-level overview of wireless Java technology and many links to detailed information about specific subjects...

API Documents

CLDC 1.1 API Documentation

MIDP 2.0 API Documentation

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Generate alx file that refer to two cod files

I have an application that receives push notifications and it registers for push notifications in a background app. The background app is configured as an alternate entry point. So in all I have two applications and I want to create an alx file…
Sourabh Saldi
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J2ME LWUIT lib, textfield password not showing last character

I'm a little bit new to J2ME ... I'm using LWUIT as my UI library. My question is: I want to display a password TextField that accepts numbers only (I succeeded), but the problem is, when making it accepts numbers only, the last character is not…
Mohamed Kamal
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Finding number of jars in game folder with J2ME

Kindly suggest me a way to find the count of an installed application in a mobile. Also Is it possible to find the count of an installed application with a particular name. Example : 1) if AA.jar,bb.jar,cc.jar are installed it should show count…
Arun CK
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How can I create a button on a form in a J2ME application?

I attempt to make a simple "hello world" application, where on clicking the button , it prints a string "hello world". How can I add a button on a form? I need to create a button, on which when I click it can produce a string. How can I add a button…
NSharma
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Calling atan function on Blackberry 4.2 JDE

I need to calculate the arc tan value from my Blackberry Java app. Unfortunately, the blackberry 4.2 api doesn't have the Math.atan() function. Version 4.6 of the Blackberry JDE has it, but not 4.2. Does anyone know of a workaround to calculate…
Dave
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Using a Command to switch to a Displayable in a class that extends MIDlet

I'm working in java me. I'm trying to switch between visual designs using ok Commands and back Commands. I have a form displayable which I named formA in my main class A.java and a formB in another class B.java . I used an ok Command in formA which…
degee
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Error preverifying class com.google.common.collect.Ordering in blackberry

I got this error when I included guava-11.0-rc1.jar which contains the package com.google.common.* . But when I try to package it, it gives me the error: Error preverifying class com.google.common.collect.Ordering MyApp line 0 BlackBerry…
nikita sharma
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How to switch to a Displayable class that has the main method

I'm working in java me, I'm trying to switch between visual designs using ok Commands and back Commands. I have a form displayable which I named formA in my main class A.java and a formB in another class B.java. I used an ok Command in formA which…
degee
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For testing GPS based J2ME app, Is there any emulator which have built in GPS?

I am new in J2ME app development field. I am developing GPS based app using Nokia Maps for series 40 mobiles. I want such emulator which provide GPS(to retrieve & set current coordinates & many other purposes). I search a lot on google but I didn't…
Rahul More
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Returning value that is changed/initialized in Thread

In my j2me JAVA app there is a Thread which initializes an object which I right after that has to get by returning it's value in other class. In my main class where I call that Thread right after that I have to get the value that was changed in…
Saqib
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Netbeans 7.2.1 mac javadoc not found Java Me

For some reason Netbeans can't access javadoc in Java ME projects. Netbeans does find javadoc in Java Desktop Application Attached an image of my Java ME javadoc. Thanks!
jkigel
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How do I view contents of blackberry cod file?

I there any way that I can see the contents of a Blackberry COD file to check which classes are in there?
Dave
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Bouncy Castle J2ME load existing private key

I have a PEM or DER private key, an existing key. How can I load this key with PrivateKeyFactory.createKey or into an AsymmetricCipherKeyPair ? I tried this: InputStream inKey = getClass().getResourceAsStream("/samsjava/user_key_pk8.der"); …
Digital Human
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Signed J2me app hanging at first start

In my j2me app that is signed by veriSign, has problem in accepting the always or yes permissions the time it has to perform PIM.getInstance().openPIMList(..) action. When my app perform below line of code very first time of it's installation it…
Saqib
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Blackberry: Automatically open reduced keyboard

How to programmatically open/close or force the virtual keyboard to open in reduced form in Blackberry? I tried searching it but couldn't find a way to do it. I also tried finding some links in Blackberry Support Forums…
Parth Bhatt
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