SDN Program News

Powerful Logging in Java ME

2009-10-29T13:22:53-07:00

Java ME developers can add powerful logging to their MIDlets by simply adding the Microlog code and a configuration file to their projects. Learn more.

MIDP 3.0 Features: Inter-MIDlet Communication and Events

2009-10-26T10:57:07-07:00

This article by Java Champion Bruce Hopkins introduces two major enhancements to the Mobile Information Device Profile (MIDP) 3.0 specification, currently in Final Draft stage. Learn more.

Mobility Tech Tip: Simple Strategy for Logging and Monitoring of MIDlets

2009-09-29T14:39:42-07:00

On-device debugging isn't useful when your MIDlet is running on a client's phone. This tech tip presents one approach for developers who want a fast and simple way to debug their apps remotely in real environments. Take a look.

New Java ME Articles: Mobility and Compatibility

2009-06-24T11:32:52-07:00

Working with Bluetooth and GPS: Follow-up
The "Working with Bluetooth and GPS" series on the Bluetooth API (JSR 82) spawned a number of questions, which author Bruce Hopkins addresses in this follow-up tech tip.

Java ME SDKs: The State of the Union
The Java ME platform is huge, robust, and versatile. This article provides a compatibility matrix of tools, SDKs, and APIs.

Using JavaFX Mobile, Java ME, & the Messaging API (JSR 205)
In this two-part tutorial, you build a first application to create and send a mesage, and a second one to receive the message.

Discovering Devices and Sending Files via Bluetooth in Java ME

2009-04-22T10:27:10-07:00

Learn how to create a MIDlet that will search for Bluetooth-enabled devices and services, and then allow the user to send a simple note to one of the found devices. Read the tech tip.

Java ME SDK 3.0 Is Here!

2009-04-15T15:31:46-07:00

Java ME SDK 3.0 is a state-of-the-art toolbox for developing mobile applications. It integrates CLDC, CDC, and Blu-ray Disc Java (BD-J) technology into one SDK.

Java ME SDK 3.0 is the successor to the popular Java Wireless Toolkit 2.5.2 and Java Toolkit 1.0 for CDC. It provides device emulation, a stand-alone development environment and a set of utilities for rapid development of Java ME applications. Download it now.

Just Say "Britney Spears": Multimodal Search and ODPs

2009-03-30T07:22:32-07:00

A multimodal, search-driven On-Device Portal in Java ME provides compelling mobile content and a consistent user experience to mass-market phones. Learn more.

Events: GSMA Mobile World Conference (Feb. 16-19, Barcelona, Spain, and online)

2009-02-17T11:51:44-08:00

The GSMA Mobile World Congress is going on now in Barcelona, Spain, and will continue until February 19.

Java ME Product and Technology Releases

2009-02-06T13:16:46-08:00

Java ME-Related Java Specification Requests (JSRs)

JSR 249 Mobile Service Architecture 2 0.19 Public Review Draft This JSR defines the next generation of the Mobile Service Architecture and platform created in JSR 248.

JSR 256 Mobile Sensor API 1.2 Maintenance Release 2 The API extends the usability and choice of general sensors for Java ME technology-based applications. It defines generic sensor functionality optimized for the resource-constrained devices like mobile devices.

JSR 272 Mobile Broadcast Service API for Handheld Terminals 1.0 Final Release This specification will define an optional package in Java ME/MIDP/CLDC environment to provide functionality to handle broadcast content, for example, to view digital television and to utilize its rich features and services.

JSR 279: Service Connection API for Java ME This new high-level API is for connection services via frameworks supporting identity based services, discovery, and authentication. The API supports service-oriented architecture (SOA) and other similar network service application models.

JSR 287 Scalable 2D Vector Graphics API for Java ME 0.37 Proposed Final Draft 3 This specification will define an optional package for rendering enhanced 2D vector graphics and rich media content based on select features from SVG Mobile 1.2, with primary emphasis on MIDP.

JSR 293 Location API 2.0 Final Release This specification defines an optional package that enables the developers to use enhanced location-based features on Java ME technology-based devices.

JSR 325 IMS Communication Enabler 3.0 Early Access This specification will define a high-level IMS Communications Enabler framework API that will provide Java ME technology-based devices effortless access to a set of essential IMS Communication Enablers.

JSR 927 Java TV API 1.1.1 Maintenance Release 2 This JSR tracks the maintenance of the Java TV specification.

Java SE for Embedded

Java SE for Embedded 6u10 Java SE for Embedded enables you to develop highly functional, reliable, portable, and secure applications for today's more powerful embedded systems.

Java ME

Sun Java Wireless Toolkit 2.5.2_01 Final Release The Sun Java Wireless Toolkit (formerly known as J2ME Wireless Toolkit) is a set of tools for creating Java applications that run on devices compliant with the Java Technology for the Wireless Industry (JTWI, JSR 185) specification and the Mobile Service Architecture (MSA, JSR 248) specification. It consists of build tools, utilities, and a device emulator.

Watch M3DD on Ustream Now (Jan. 21-22)

2009-01-21T11:18:17-08:00

If you're unable to attend the Java Mobile, Media & Embedded Developer Days Conference, taking place today and tomorrow in California, you can watch the event live on Ustream and use the chat facility.

Mobility Tech Tip: Asynchronous Communications With Java ME and SIP, Part 2

2008-11-07T12:11:54-08:00

In this tech tip, Bruce Hopkins uses a Session Initiation Protocol (SIP) proxy and the REGISTER method type to provide a simple yet scalable solution for sending messages asynchronously from one application to the other, when one SIP device is behind a firewall. Learn more.

Article: Report From Africa: Regional Challenges and Opportunities for Java ME

2008-11-07T12:09:26-08:00

This article describes the opportunity and challenges of developing mobile services in a huge emerging market: Africa. An FM Radio Reference MIDlet from Nokia demonstrates user-centric design.

Java ME Technology Updates

2008-11-04T13:57:04-08:00

Java ME SDK 3.0 Early Access
This state-of-the-art toolbox for developing mobile applications integrates CLDC, CDC, and Blu-ray Disc Java (BD-J) technology into one SDK. Java ME SDK 3.0 is the successor to the popular Java Wireless Toolkit 2.5.2 and Java Toolkit 1.0 for CDC.

JSR 82 Java APIs for Bluetooth -- Final Release 3
Bluetooth is an important emerging standard for wireless integration of small devices. The specification standardizes a set of Java APIs to allow Java-enabled devices to integrate into a Bluetooth environment.

JSR 256 Mobile Sensor API 1.1 Maintenance Release
The API provides a general sensor API that extends the usability and choice of sensors for Java ME applications. It defines generic sensor functionality optimized for the resource-constrained devices like mobile devices.

JSR 300 DRM API for Java ME 0.09 Proposed Final Draft
This specification will define an optional package for developing Java ME applications that use or interoperate with DRM agents that separately exist in devices.

JSR 927 Java TV API 1.1.1 Maintenance Release 2
The Java TV application programming interface provides an ideal development and deployment platform for the emerging class of interactive television services.

CTIA Wireless 2009 Call for Speakers

2008-10-20T15:48:49-07:00

CTIA, the Wireless Association, is now accepting applications from individuals who wish to speak at the CTIA Wireless 2009 event, to take place April 1-3, 2009, at the Las Vegas Convention Center, Nevada. See the CTIA speakers' page for current proposed topics and a preview of the application form.

Java ME SDK 3.0 Early Access

2008-10-13T16:24:57-07:00

The new Java Platform, Micro Edition (Java ME) Software Development Kit 3.0 early-access release for Java Partners supports CLDC, CDC, and Blu-ray Disc Java (BDJ) development. It includes the Mobile Sensors and XML APIs. Download it now.

New Article: The Lightweight User Interface Toolkit (LWUIT): An Introduction

2008-09-29T10:34:22-07:00

LWUIT is a versatile and compact API for creating attractive application mobile user interfaces. This tutorial by Jonathan Knudsen will quickly get you started creating LWUIT applications for a variety of mobile platforms. Read more.

New Article: Blu-ray Disc Application Development

2008-09-25T08:03:20-07:00

Developer Bruce Hopkins walks you through a complete working example of how to a create BD-J application that works on any Blu-ray disc player, using Java ME. Learn more.

Call for Papers: Mobile, Media & Embedded Developer Days (Jan. 21-22, 2009)

2008-09-25T07:57:44-07:00

The Java Mobile, Media & Embedded Developer Days conference will take place on January 21-22, 2009, at the Sun Santa Clara campus in California. The deadline for call for papers is September 30, 2008. Learn more at the conference wiki site.

Java ME: JSR 297 Public Review

2008-07-24T16:37:07-07:00

JSR 297 Mobile 3D Graphics API 2.0 EG Draft 10 Public Review
This new revision of M3G (JSR 184) will expose the latest graphics hardware features on high-end devices, while improving performance and memory usage on the low end.

Java ME Technology: Everything a Developer Needs for the Mobile Market

2008-07-24T12:37:38-07:00

This overview looks at the economics, cost of entry, and learning curve in using Java ME technology to penetrate the mobile market. It introduces the JSRs included in the Mobile Services Architecture (MSA) standard. Read the article.

Interview: Digisoft.tv's John Allen on Interactive Television

2008-07-15T16:03:13-07:00

Sun's Jennifer Yonemitsu interviews Digisoft.tv CEO John Allen to discuss the Java ME-based client platform for IPTV set-top boxes, using Sun's Java technology-based media client and Digisoft.tv's middleware/SDK. Read the article.

SigTest Tool

2008-07-15T09:51:12-07:00

The SigTest tool is an API conformance tool that makes it possible to easily compare the signatures of two different implementations of the same API. It verifies that all of the members are present, reports when new members are added, and checks the specified behavior of each API member. Within the SigTest project on java.net, you can find information about the JT Harness, ME Framework, and the regression test harness (jtreg). Learn more.

Java Developer Hardy Interview

2008-06-10T00:00:00-07:00

http://sdnpipeline.blip.tv/

SDN staff writer Ed Ort talks with Java developer Walter Hardy on his interest in Java technologies, particularly around RIAs and scripting.

Neto's JavaFX Samples

2008-06-09T00:00:00-07:00

http://silveiraneto.net/tag/jfxbest/

Silveira Neto, a Brazilian Java developer and student, offers several
JavaFX-technology based samples on his blog: a side-scrolling game, a
color picker, a ball you can manipulate, and more.

Java ME Author Knudsen Interview

2008-06-06T00:00:00-07:00

http://sdnpipeline.blip.tv/#955566

SDN staff writer Ed Ort interviews Java ME expert and technology author Jonathan Knudsen,--whose latest book is "Kicking Butt with MIDP and MSA," at the 2008 JavaOne Conference.

Comparing Mobile Platforms: Java ME and Adobe Flash Lite

2008-06-05T00:00:00-07:00

http://blogs.sun.com/mobility_techtips/entry/comparing_mobile_platforms_java_me

Bruce Hopkins compares the strengths and weaknesses of each platform in six significant categories: graphics, multimedia, local device accessibility, security, network connectivity, and miscellany.

The Bluetooth Conundrum

2008-06-04T06:00:00-07:00

http://java.sun.com/javame/technology/msa/jsr82.jsp

SDN staff writer Richard Marejka provides the required code to programmatically detect the presence of the JSR 82 Bluetooth APIs.

Mobility Tech Tips: The Bluetooth Conundrum

2008-06-03T10:06:19-07:00

Sun Developer Network staff writer Richard Marejka provides the required code to
programmatically detect the presence of the JSR 82 Bluetooth APIs. Read more.

Sentilla's Pervasive Computing

2008-06-02T12:09:00-07:00

http://java.sun.com/javaone/sf/2008/articles/gen_sentilla.jsp

Sentilla CTO Joe Polastre's session on Mote software and pervasive computing illustrated how we've moved from "The network is the computer" to "The universe is the computer."

Comparing Mobile Platforms: Java ME and Adobe Flash Lite

2008-05-28T07:41:18-07:00

Java developer Bruce Hopkins compares the strengths and weaknesses of each platform in six significant categories: graphics, multimedia, local device accessibility, security, network connectivity, and miscellany. Read more.