Create, test, and deploy applications on Java platforms for mobile and embedded devices Mobility Tech Tips

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.

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This tech tip shows you how to get started using the Location API (JSR 179), and how to build a small location-aware application that you can use to tag your favorite spots.[Read More]

In the past year, Sun published a two-part series to lower the learning curve for Java developers who want to get started using the Blu-ray Disc for Java (BD-J) platform. This follow-up tech tip answers a couple of questions from readers.[Read More]

Vikram Goyal shows you 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 More]

Developer Bruce Hopkins walks you through three source-code samples to demonstrate JavaFX's usefulness to Java ME developers creating apps for mobile devices. Developers can call methods on objects and instantiate objects within libraries that already exist in Java ME and Java SE -- in this case, the APIs in JSRs 82, 135, and 180. Plus, JavaFX let you bind the value of an object to another variable.[Read More]

Here are notes from the presentations I attended at the Java Mobile, Media & Embedded Developer Days (M3DD) today, at the Sun campus in Santa Clara, California.

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In this tech tip, Vikram Goyal shows you how to mix and play multiple media content at the same time. He uses the Mobile Media API (MMAPI) and the NetBeans IDE.

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Bruce Hopkins serves up Part 2 of his series on Blu-ray Disc Java development. Part 2 extends the code that was used in the Part 1, so that the application can respond to user input. Of course, since a Blu-ray Disc player is a set-top device, you can't expect users to interact with it with a keyboard and mouse. So we're going to look at the APIs involved in responding to input from a remote control, regardless of whether the user used an infrared remote control or Bluetooth remote control (such as the one used on the Sony Playstation 3, or PS3, gaming console).

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The new Java On Device Portal (ODP) lets developers use Java technology to
create and deploy widgets on mobile devices. Register now to join the
Early Access program.

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This tech tip by Sun software engineer Thomas Ng describes how to run Java Network Launch Protocol (JNLP) files offline, such as for debugging or testing applets or applications developed with JavaFX.

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In this article, the authors describe the process of developing a user-generated localization MIDlet for an application that connects people to community radio stations -- important purveyors of information in technology-challenged Africa.

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Bruce Hopkins uses a SIP proxy and the REGISTER method type to provide a simple, yet scalable solution for sending a simple message asynchronously from one application to the other, when one SIP device is behind a firewall.[Read More]

Bruce Hopkins describes how to use Java ME technology and its Bluetooth API (JSR-82) to access location data from wireless GPS devices, in this second of a two-part series. The JSR-172 (XML Parsing and Web Services) API is used to parse the result.

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Java technology is a critical part of the new high-definition video standard, the Blu-ray Disc standard. In this first of a two-part series, Bruce Hopkins covers several aspects of using the Java language to create applications for your Blu-ray disc player, which includes the very popular PlayStation 3 gaming console.

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In this code-rich article, mobility technologist C. Enrique Ortiz introduces the lightweight JSON Java ME APIs as an alternative to XML.

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During the week of August 18, 2008, we encouraged you to "Ask the Experts" your questions about the recent JavaFX Preview SDK release. Our experts were Joshua Marinacci, Martin Brehovsky, and Lawrence McDonough of the JavaFX engineering team, plus Jeff Dinkins. Here's a list of the question-and-answer topics.

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JavaFX expert Jim Weaver continues his series of articles with this latest one, TableNode: Creating a Custom Scrollable Table in JavaFX.

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The recently released JavaFX Preview helps early adopters become familiar with JavaFX. Got a question about it? Post it during this session and get answers from three key members of Sun's JavaFX engineering team.

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In August and September 2007, the Sun Developer Network staff started a Learning Curve Journal, a series designed to help users get started with the JavaFX Script programming language. A number of significant advances have been made to the language since then. The Learning Curve Journal has been updated to show you how to use the compiler-based version of the language. Other changes have been made to make the articles current.

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In the first of this multi-part series, Bruce Hopkins describes how to construct a low-cost solution that allows you to install, debug, and test your JSR-82 applications on your computer, and how to read data from a Bluetooth-enabled GPS device.

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