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More on MIDP

Posted by daniel on May 3, 2005 at 7:10 AM PDT

User Interfaces with MIDP 2.0

Vikram Goyal continues his J2ME tutorial in our featured articles with User Interfaces with MIDP 2.0. In the first part you saw how to get started and were introduced to the lifecycle of a MIDlet. "In this article, you will create the user interface (UI) elements of a MIDlet. Since the interaction with a user is a paramount concern in any MIDlet, due to the size of the screens, it is important for you to understand the basics of this side of MIDlets. Any interaction with a user is done via a UI element. In fact, when you created the simplistic Date-Time MIDlet in part one, you used one such element called Alert to show an alert message on the screen. This message was actually shown on the screen by the help of another UI element called Display."


Scott Violet describes Fun with Robot in today's Weblogs. "Learn how to create a component that uses a combination of AWTEventListener and Robot to zoom in on your application."

Arun Gupta shares his Indigo installation blues. "I tried installing Indigo and and hoped to use Visual Studio to be able develop/deploy/invoke a Web Service but it was'nt that simple."

Vincent Brabant is now a Sun Certified Programmer for the J2SE 5.0. He writes "I received today my Examination Score Report and I Passed. I am now a Sun Certified Programmer for the J2SE 5.0. But IMHO, I would have failed. I will explain you why."


In Also in
Java Today
, Kunal Mittal describes The buzz about Apache Beehive. "The Apache Beehive project was created to support: Java Page Flow (JPF) technology, also known as (NetUI), Controls, [and] Web services based on Java Specification Request (JSR) 181". Mittal shows you how to create a JPF controller, a simple control and control implementation, and a simple web service.

The JDesktop Network Components (JDNC) project aims to "make it easier for you to produce rich data-centric Java Desktop clients". In this recent Core Java Tech tip you will use JDNC to read tab-separated data from a file and display it in a table, put headings on the columns, select a subset to display, then filter the rows to display only those rows that meet a specific condition and finally, sort this list and decorate alternating rows in different colors. All of this is done with just a little bit of XML.


In Projects and
Communities
, Hinkmond Wong asks
Whatever happened to the bar scene?
announcing "The Mobile Dating Conference 2005 will be held July 21-22, 2005 [where] Topics will include software developments using Java and J2ME technologies."

In the May 3 JavaLive chat you'll be able to ask questions about the new capabilities in NetBeans 4.1 IDE release candidate and get answers from Judith Lilienfeld, Ludovic Champenois, and Petr Jiricka at 9:00 A.M. PDT/16:00 UTC.


In Welcome to the JXTA Forum in today's Forums tkosan writes
"The jxta education committee is in the process of gathering in the new "jxtaedu" mailing list which is in ( the 'guide' project ). If you are interested in joining the group, feel free to subscribe to this list."

Bino George responds on the thread 6.0 WebStart w/ JDNC crashes.
"This JDNC issue (203) has been fixed. I have removed all the printing code from JXTable, since JDNC now requires Tiger (and Tiger has the printing code in JTable). Also, there is a Swing Bug that has been filed to make the isPrinting method non-final (6260638). Thanks for catching this problem."


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User Interfaces with MIDP 2.0