J2ME

J2MEDeveloper.com weblog has moved…. Please note the new URL: http://j2medeveloper.com/weblog ceo — C. Enrique Ortiz J2MEDeveloper.com Web Page: http://www.j2medeveloper.com Web Log: http://j2medeveloper.com/weblog

I truly believe that the killer application is about two things: better access to people, better access to information. This means that there is no single killer app. For some, the killer app is about access to their “corporate data”, to others is about access to email, for others is gaming – for many is … Read more

Earlier this month the Data Sync API EG released an early draft of the spec for (your) review… read below for details. As you may know, data synchronization is one of the key approaches (together with plain-ole HTTP, Web Services, SOA, etc) to integration with back-end systems. Because of this, it is important to provide … Read more

New to tech-tip section: “A Generic LCDUI Form” “A Simple Ordered Hashtable” Also revisited “Comments on Nokia SOA”… Visit J2MEDeveloper.com ceo — C. Enrique Ortiz J2MEDeveloper.com Web Page: http://www.j2medeveloper.com Web Log: http://www.j2medeveloper.com/blog

The Web Services APIs (WSA) for Java 2 Platform, Micro Edition (J2ME), as defined by the Java Community Process for the Java Specification Request 172 (JSR 172), are two independent optional packages for remote service invocation and XML parsing… Read more at IBM DeveloperWorks. ceo — C. Enrique Ortiz J2MEDeveloper.com Web Page: http://www.j2medeveloper.com Web Log: … Read more

Recently Nokia announced its vision for a networked service-oriented architecture for mobile phones. I was finally able to find and read the whitepaper. Some people have claimed this announcement as the most important announcement at JavaOne, a pretty substantial claim. This architecture is interesting indeed, but I can't help it pointing out the following: The … Read more

In response to Michael's blog entry “Write once, pray, and debug everywhere?”, which in turn was in response to Russ' blog entry, I think that: True WORA will never happen. Companies will continue to differentiate themselves. Things have gotten much better though, and will continue to get better. This is because companies continue their innovation … Read more

To “profile” or not to “profile”. That is the question. There is the Mobile Information Device Profile (MIDP), and the Information Module Profile (IMP). And most recently the new Set-top box (STB) profile JSR was submitted to the JCP. In this essay we briefly explore CLDC-based profiles today, and the concern that CLDC-based profiles are … Read more

A MIDlet class may manage its own logic and life-cycle, but often a better choice is for it to delegate these responsibilities to a finite state machine (FSM). An FSM provides a simple and effective means to control your MIDlet's life-cycle and overall application behavior. This article shows you how. Read more at: Managing the … Read more

Earlier today the JSR-177 Security and Trust Services API for J2ME (SATSA) specification was approved for final release by the JCP Micro Edition Executive Committee. Withouth trying to oversimplify this spec, in summary, SATSA defines how to integrate with Security Elements (SE) such as smartcards and SIM cards, by providing access and security (crypto) services. … Read more