November 7, 2003
Change is Good
The wireless portal will be moving to http://developers.sun.com/techtopics/mobility/
We listened when you said to simplify and make things less confusing. As a result, we are consolidating our web sites into a centralized developer destination, The Source. We also have consolidated our programs into one program, Sun Developer Network. For more information, check out the announcement box on the right.

November 6, 2003
New J2ME Tool Releases from Sun
J2ME Wireless Toolkit 2.1 Beta is now available. In addition to MIDP 2.0, Wireless Messaging API 1.1, and Mobile Media API 1.1, this release also adds support for JSR-185 (JTWI) clarifications, floating point support with CLDC 1.1, as well as the new J2ME Web Services API (JSR-172). Coincident with this release is the availability of Sun ONE Studio 5, Mobile Edition EA which provides specific support for J2ME WTK 2.1 Beta and the J2ME Wireless Connection Wizard for integrating J2ME with J2EE applications.

October 30, 2003
Reducing MIDlet Sizes
Slimming Wireless Java Applications describes reasons for reducing the size of wireless Java applications, discusses problems that arise out of using class libraries, then presents some useful techniques for reducing application size without sacrificing quality.

October 30, 2003
Blogging
Introduction to Mobile Blogging
Blogging is a popular method for web publishing. This article describes the mechanics of blogging and explores the possibilities for creating blog content from mobile devices.

October 29, 2003
File Connection Optional Package Overview
An Overview of the File Connection Optional Package tech tip describes how the basic scaffolding for file I/O is supported.

October 29, 2003
PIM Optional Package Overview
An Overview of the PIM Optional Package tech tip describes the J2ME interfaces for personal information management data.

October 1, 2003
Mobility Resources
UNLEASHING THE POWER - Resources for Wireless Java Technology Developers presents opportunities for training, partnerships, application certification, business showcases, and tools available for wireless Java technology developers.

October 1, 2003
Business Opportunities
Where Java Technology Goes, the World Will Follow shows how the mobility industry wants to help generate new cash flow with Java technology-enabled applications. The opportunities for wireless developers who use Java technology have never been so plentiful.

October 1, 2003
Mobile Monetization
Java Technology: The Kingpin of Mobile Monetization explains why Java technology is the natural technology of choice for developers looking to make money from mobile applications.

September 29, 2003
Emulation
MIDP Emulators
A cornucopia of MIDP emulators reflects the abundance of MIDP devices available. This article presents a broad overview of available MIDP emulators. It provides basic information about emulators, including supported APIs, download location, and notes.

September 24, 2003
Smart Card Host Application
An Introduction to Java Card Technology - Part 3, The Smart Card Host Application introduces the development aspects of host applications for smart cards.

September 24, 2003
Getting Started Java Card Applets
An Introduction to Java Card Technology - Part 2, The Java Card Applet introduces the development aspects of Java Card applets: the typical steps when developing a Java Card application, the Sun Java Card Development kit, and the Java Card and Java Card RMI APIs.

September 24, 2003
Getting Started with Client Provisioning
Getting Started with the J2EE Client Provisioning Reference Implementation gives a detailed description of the J2EE Client Provisioning Reference Implementation, and step-by-step instructions to install and use the 124 RI Sample Application.

August 18, 2003
The Generic Connection Framework
Learn about networking with the Generic Connection Framework
One of CLDC's innovations is the Generic Connection Framework, a flexible approach to networking. This article explores the GCF in detail, describing both its place in the Java world and details about its use.

August 12, 2003
Remember Neko?
Sun CAT is a MIDlet similar to the popular X Windows program Neko. It shows an animated cat that runs around the screen. Sun CAT is an end-to-end system that allows users to purchase additional animation images over the network.

August 12, 2003
Inside Sun CAT
Sun CAT 1.0 Design and Implementation describes the inner workings of the Sun CAT MIDlet. It includes details on the network protocol between client and server as well as an explanation of the client-side architecture. Full source code and API documentation is included.

August 7, 2003
Security Learning Path
Learning Path: MIDP Application Security gathers resources related to application security in general as well as information specific to MIDP.

August 4, 2003
Do-It-Yourself MIDP on Mac OS X
You can develop MIDlets on Apple's OS X. This article shows you the tools you need and gets you started with a simple MIDlet that you can build and test on OS X.

The Mobile Application Contest sponsored by Reliance Infocomm. Get your idea or mobile application on R World and win prizes.

ETSI Plugtests
Java Card Interoperability event. ETSI is inviting companies or individuals developing services around Java Card technology to come with their applications to the 3rd ETSI Plugtests. Oct. 20-22, 2003 Sophia Antipolis, France.

A920 Developer Competition
Developers are invited to submit applications to run on 3's new video mobile, the A920 supplied by Motorola.

SIMagine 2004, annual wireless Java Card developer contest.

Egate Open 2004 Worldwide Java Card developer contest for ebusiness applications.

Sun Tech Days, A Developer Conference, Turning Ideas into Innovations! in Seattle, Washington