Thursday Jul 10, 2014

Technical Article: Leap Motion and JavaFX

In technical article "Leap Motion and JavaFX," Java Champion Johan Vos shows you how to use the Java API in a Java client application to interact with the Leap Motion Controller. 

There might come a day when parents have to explain to their children what a keyboard is.  For example, the Leap Motion Controller is equipped with infrared cameras and infrared LEDs and is capable of tracking hand and finger movements. Fortunately, a Java API is available. "Leap Motion and JavaFX," explores how you can 3-D hand movements to interact with JavaFX applications. See the Leap Motion in action:

This article is reprinted from Java Magazine, a FREE, bi-monthly, online publication. It includes technical articles on the Java language and platform; Java innovations and innovators; JUG and JCP news; Java events; links to online Java communities; and videos and multimedia demos. Subscriptions are free, registration required.

Monday May 19, 2014

JavaFX SceneBuilder 2.0

JavaFX SceneBuilder 2.0 has been released. JavaFX provides a set of graphics and media packages that enables developers to design, create, test, debug, and deploy rich client applications that operate consistently across diverse platforms. New features include Support for new JavaFX 8 UI components, 3D Support, and the ability to add custom GUI components to the Library. You can get a complete list of new features Announcing SceneBuilder 2.0 by Japser Potts.

Learn more about JavaFX.  

JavaFX is now included with the standard JDK and JRE bundles.  Download JDK8

Download Scene Builder 2.0.

Read the Scene Builder User Guide

For news and demos, check out the JavaFX Experience.

Ask questions on the JavaFX Forum.

This video demonstration of JavaFX Scene Builder 2.0 shows how you can make an aeronautical themed demo app, showing how to build layout, apply CSS and connect code.  


Wednesday Mar 26, 2014

Hacking with Raspberry Pi and Java

Two new videos about Raspberry Pi GPIO with Java are now available. This hands-on training  is part of the IoT Developer Challenge and will help you to create a winning project to submit. This is a great opportunity to win a trip to JavaOne 2014! Submissions are accepted until May 30, 2014

In the first video, you will learn about the Raspberry Pi set up and the installation of Java SE Embedded and JavaFX. In the second video below, expert Vinicius Senger explains the Raspberry Pi GPIO and protocols as well as how to use the Pi4J project, a set of libraries enabling the access of the Raspberry Pi with Java. Vinicius also gives several demonstrations using a camera, LED lights, buttons and a relay board to connect to appliances. You can download the code of his demonstrations, including Pi4J Helloworld, PiPicture, Twitter4Pi and Lcdl2C

Friday Mar 14, 2014

Video: Is It a Car? Is It a Computer? No, It’s a Raspberry Pi Java Carputer

Most of us sit inside the Internet of Things without even knowing it. Today's cars have onboard computers that generate lots of data. A self-described "petrol-head," Oracle Technology Evangelist Simon Ritter combined his love of tech with is love of cars to create a simple carputer so he could access the inner workings of his Audi.

For under £100, Ritter was able to connect a Raspberry Pi to his car. He used Java Embedded and JavaFX to build an application to monitor engine performance, throttle position, and G-forces on the car. 

Enjoy his presentation from Q-Con London

and this OTN Community Cast.

Wednesday Feb 05, 2014

Mobile World Congress (MWC) Coming Up

MWC is the largest international conference for the mobile industry.  From February 25 – 27, experts, leaders and visionaries will discuss the innovations that will transform communication. 

Oracle will showcase its innovative communications services at the Communications Industry Experience Zones. It is located the Oracle Booth # 3B20 (at hall 3).  

Also at the Oracle booth, discover the breadth of Oracle Internet of Things (IoT) offerings and learn how the IoT helped fuel one of the greatest comebacks in sports history. The model of the Oracle Team USA 2013 AC72 yacht will be onsite! Oracle solution experts will be there to answer questions. Don't miss it, Register now! 

Wednesday Jan 29, 2014

Gamification for User Groups

At the gamification session of the International Oracle User Group Community (IOUC), leaders discussed how to drive membership. Typically, they give away licenses, books and goodies to encourage attendance at monthly meetings. Others have used gamification to get their communities to brainstorm on mascot names, or post pictures and comments on social media. Hackathons also require the use of similar techniques to keep attendees motivated to create applications over several days. SouJava leader Bruno Souza successfully ran hackathons that combined brainstorming, team building, training, hacking sessions and prizes to keep participants engaged.

“Turn life into a game, drive engagement of audiences, make the experience more enjoyable and get users to come back ” are the key advantages of gamification according to user group leader Jim Bethancourt.

The forum platform Stack Overflow is a great example of running a thriving community of developers with its point systems. Contributors get rewarded with points for their useful entries and visitors easily find the most relevant and best-rated entries.

The ArabOUG has implemented a point system to keep its community active. The group gives out points to the members, who contribute applications, articles, and translations. It partnered with training organizations and other services to give its members free training and services in exchange for points. As a result, members don’t have to pay for services using online payments, which governments in many countries in North Africa and the Middle East don’t allow.

In an interview, ArabOUG leader Mohamed Chargui  explains in more detail his experience using gamification.

Tuesday Dec 10, 2013

Internet of Things Interview

Java Evangelist Jim Weaver, Senior Engineer Gerrit Grunwald and Community Manager Yolande Poirier discussed the Internet of Things(IoT), Java Embedded, and the new IoT community page on Java.net. The page gathers blogs, resources and many sample applications from Java developers who create embedded applications with Java. "If we prepare developers correctly to be able to program those devices and put structures in place that monitor and control those devices, then we can have a very productive world of development: one that is powered by Java, that has the underline security and needed APIs, and that leverages Java developer expertise" Jim explained. 

"I use one Raspberry Pi with Open Dophin and many sensors to synchronize data instead of multiple Raspberry Pi's" explained Gerrit Grunwald. "Over the last 10 years, the server side was prepared very well and now it is time for the embedded side to catch up and combine everything in one big Java world" he added 


Monday Nov 25, 2013

Technical Article: JavaFX Integration Strategies

"You will rarely find isolated applications in the enterprise," says Adam Bien in the new OTN technical article entitled JavaFX Integration Strategies. Instead, an enterprise desktop application renders and manipulates the data of one or more back-end services exposed by an application server. This article focuses on the integration of Java EE services with JavaFX applications. It discusses synchronous and asynchronous communication with a JavaEE backend. LightFish and LightView were used as examples.

Author Adam Bien is a Java Champion, architect and Java developer. He is an Expert Group member for the Java EE 6 and 7, EJB 3.X, JAX-RS, and JPA 2.X JSRs.  He is the author of Real World Java EE Patterns—Rethinking Best Practices and Real World Java EE Night Hacks—Dissecting the Business Tier, and all around good guy.

Read JavaFX Integration Strategies article.

Thursday Nov 14, 2013

Video: Richard Bair on Java and the Internet of Things, Lambdas and more

Richard Bair, Client Java Architect, discusses Java and the Internet of Things, JavaFX, Lambdas and more. Video, from the Devoxx conference:

Monday Nov 11, 2013

Hack Fest Going Strong!

Today was the first day of  the IoT Hack Fest at Devoxx, the Java developer conference in Belgium.  The IoT Hack Fest started with the Raspberry Pi & Leap Motion hands-on lab. Vinicius Senger introduced the Java Embedded, Arduino and Raspberry Pi. Java Champion and ZeroTurnaround Geert Bevin presented the Leap Motion, a controller sensing your hands and fingers to play games by controlling the mouse for example. "Programmers are cooler than musicians because they can create an entire universe using all senses" explained Geert

Participants started building applications in teams using Raspberry Pi, sensors and relays. One team tested the performance of Tomcat, Java EE and Java Embedded Suite on the Raspberry Pi. Another used built an text animation using a LCD screen. Some teams are using the Leap Motion to close and open programs on the desktop and others are using it as a game control. 



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