Thursday Apr 21, 2016

JavaFX Applications Across Devises

Using the new Gluon Mobile framework and some hardware from Adafruit, Gerrit Grunwald describes how to create a mobile/desktop application that can be used to control a mood light that can be turned on and off, set to a particular color, or set to a color cycling mode. His goal in the article "In the Mood: Build Your Own Mood Light and Control It with Java" is to show how easy it is to create a mobile app based on JavaFX.

The Gluon Mobile framework provides methods for achieving platform-dependent settings, which is critical when building an app for different platforms--such as mobile, embedded, and desktop devices--because the UI design is often totally different on different platforms. And, if you are building an Android app, Grundwald points out another advantage of the Gluon Mobile framework: even though Android is not capable of running Java 8, you can use Java 8 in your source code because Gluon Mobile uses retrolambda, which makes it possible to use Java 8 features (except streams) on Java 7.

Grundwald's mood light can be hooked up to the internet and controlled remotely from different devices, such as a mobile phone and a desktop computer. And, if you don't think you need a mood light, he points out another use: you can use it as a build-server status light or for other purposes.

To see how using JavaFX on mobile devices can be a real alternative to native applications--not for all use cases, but at least for some--read the article.

Wednesday Mar 30, 2016

Last Interactive Online Java Webinar with Q&A

The Virtual Technology Summit (VTS) delivers interactive Java technical content from Java Champions and Oracle experts to your desk.  

The interactive, online event, is sponsored by the Oracle Technology Network (OTN). The April 5 event is the last one in this VTS series. It features six Java technical sessions about Java EE, cloud, and Java SE API. Register now

The Java Track includes three code-heavy sessions:

Java on Mobile: Thanks to innovations in mobile JVM's and the availability of JavaFX on iOS and Android, it is now possible to write applications once (in Java) and deploy them on the major mobile platforms. In this session, we will show how easy it is to create a highly-polished Material Design Java application, and to deploy it on an Android device and an iOS device with exactly the same code used in both deployments.

Asynchronous programming in Java 8: how to use CompletableFuture: This presentation aims to explain how the patterns introduced by this interface and its implementing class are new to the Java platform, and how they fill the gap in the old Future patterns.The different models are precisely presented: how to create complex asynchronous processing pipelines, how to deal with exceptions, how to test complex code. 

Down-to-Earth Microservices with Java EE: the session explores microservices using a simple but representative example using Java EE. You'll see how the Java EE programming model and APIs like JAX-RS, WebSocket, JSON-P, Bean Validation, CDI, JPA, EJB 3, JMS 2 and JTA aligns with the concept of microservices.

Java SE 8 for Java EE Developers: Java SE 8 brings a bounty of improvements. In this session, you will learn about Lambda expressions, a new Date and Time API, the Streams API, Completable Futures, Nashorn, Repeatable Annotations, String joiners, etc.

Thinking Beyond ORM in JPA:  This session discusses native-query support in JPA along with stored procedures and result set mappings in JPA 2.1. The presented code samples illustrate the details of the API, highlighting their strengths and weaknesses. Our analysis reveals applicable use cases and most popular approaches. The summary provides guidelines on how and when to utilize native queries.

Visualizing Data in the Cloud with Oracle JET: Oracle JET is a free and open source toolkit, providing a solid basis for enterprise JavaScript applications, including built-in solutions for accessibility, modularity, and data visualization. In this code-driven session, you will learn everything you need to know to create maintainable enterprise applications in JavaScript!

Tuesday Feb 09, 2016

Java on Mobile

Wondering how to create Java applications that you can deploy on different mobile devices? Why not use JavaFX user interface framework for cross-device development? New mobile JVM and the availability of JavaFX on iOS and Android make it possible to write applications once (in Java) and deploy them on multiple platforms.

In his ‘Java on Mobile’ session, Johan Vos will explain how developers can leverage their Java skills for today’s mobile development. He will describe the benefits of the Java platform and JavaFX for mobile user interfaces. Many open source development tools and libraries like Gluon solutions are available to facilitate Java mobile app creation and cross-deployment. 

Johan will also explain how to port Java applications to iOS, Android and Microsoft mobile and present a live demonstration showing how to deploy the same application on iOS and Android devices.   

This ‘Java on Mobile’ presentation is part of the next Virtual Technology Summit sponsored by the Oracle Technology Network. For your convenience, we offer the event in three time zones as follows: 
  • Americas - March 8th- 9:30am to 1:00 PST - Register
  • APAC - March 15th - 9:30am to 1:00pm IST - Register
  • EMEA - April 5th - 9:30am to 1:00pm BST - Register
This VTS provides two tracks on Java SE and Java EE with six hands-on sessions. Check out the full VTS agenda here

Thursday Jul 23, 2015

Writing JavaFX Applications for Mobile Devices

Due to recent JavaFX ports, you can now create Java client applications that can be deployed on desktop, laptop, and embedded systems, as well as on mobile devices such as smartphones and tablets. In this Java Magazine recent  article, Johan Vos explores the state of JavaFX on mobile devices, focusing on the Android platform.

As Vos explains, like Java, one of the key benefits of JavaFX is the 'write once, run anywhere' paradigm. Thanks to the JavaFX ports for mobile platforms, you can now package your JavaFX applications for deployment on iOS and Android devices. The runtime environments deal with platform-specific issues, enabling you to focus on application-specific needs.

The article walks through the process of creating an Android package based on JavaFX code. It also discusses how to combine Android-specific code and JavaFX code for those situations when you might need to do so. Also see the website for JavaFXPorts , which is an initiative from the Java Community for coordinating JavaFX porting efforts. Read the article 

Friday May 29, 2015

Writing JavaFX Applications for Mobile Devices

Due to recent JavaFX ports, you can now create Java client applications that can be deployed on desktop, laptop, and embedded systems, as well as on mobile devices such as smartphones and tablets. In this recent Java Magazine article, Johan Vos explores the state of JavaFX on mobile devices, focusing on the Android platform. 

As Vos explains, like Java, one of the key benefits of JavaFX is the write once, run anywhere paradigm. Thanks to the JavaFX ports for mobile platforms, you can now package your JavaFX applications for deployment on iOS and Android devices. The runtime environments deal with platform-specific issues, enabling you to focus on application-specific needs.

The article walks through the process of creating an Android package based on JavaFX code. It also discusses how to combine Android-specific code and JavaFX code for those situations when you might need to do so.

Also see the website for JavaFXPorts, which is an initiative from the Java Community for coordinating JavaFX porting efforts.

Tuesday Jan 20, 2015

Creative and Fun Hunting at Devoxx

Get the full development story of the Hunt Game with those two interviews. The hunt was about tracking beacons at the Devoxx venue and throughout Antwerp for points. Peters and Seghers share details about the phone application design, user experience, and beacon placements.

Hear from Johan Vos and Peter Kuterna about the programming challenge between the front-end designed by Peter and the back-end Johan built with Java EE 7, Glassfish 4.1 and Java 8 APIs.

Wednesday Sep 24, 2014

Java University with Sang Shin

Sang Shin is the founder and chief instructor at JPassion.com, a popular online learning site offering hands-on courses on Java, Java EE, the Spring framework, Java development tools, Java performance, JavaScript, jQuery, HTML5, Groovy and Grails, MySQL, Android, web services, Ruby on Rails, and Hadoop. Before founding JPassion.com, Shin was a lead technology architect and evangelist at Sun Microsystems. He frequently gives talks on various technologies to worldwide developer audiences.

Q: Tell us about the topic you will present at Java University during JavaOne.

Shin: It’s a full-day workshop about Java performance tuning
[Read More]

Monday Jun 30, 2014

Announcing the IoT Developer Challenge Winners!

 Oracle Technology Network and Oracle Academy are proud to announce the winners of the IoT Developer Challenge. 

Social media meets robotics. Domotics meets office design and horticulture. PINs meet voice recognition. Voting gets RFiDed. All of them making the Internet of Things come true. And, of course, built with the Java platform at the center of Things.  


The 2014 IoT Developer Challenge Winners
(Three professional projects followed by three student projects) 
  • Smart Greenhouse Project, a full-featured, automated greenhouse to grow indoor plants, developed by Dzmitry Yasevich, Pavel Vervenko, and Vladimir Redzhepov from Belarus 
  • Bot-So, a smart social robot interacting with you via Twitter, developed by  Debraj Dutta, Tapas Bose, and Avinaba Majumder from India 
  • Lhings Connected Table, an innovative design for shared office space, developed by David Peñuela, Jose Pereda and Jose Antonio Lorenzo from Spain 
  • ePot Smart Gardening, a new concept of indoor gardening, developed by Mohamed Khalil Zendah, Mohamed El Mahdi, Bouzaiane, and Mahdi Attia from Tunisia 
  • Voice Access, a voice recognition system for authentication, developed by Viatcheslav Shkurichev, Maria Chernichenko, and Sergey Chernackij from Russia 
  • JCon Rates, a conference voting system, developed by Aboullaite Mohammed, Abdessamad Amzerin, and Nisrine Jafri from Morocco
Congratulations to the Winners!  The three professional teams and the first place student team won a trip to JavaOne. Mingle with them at JavaOne from September 28 to October 2, 2014 

Thanks to all of you for participating and supporting the Challenge!  

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