June 2002
Intermediate to advanced
504 pages
10h 10m
English
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PDAP Application Life Cycle
PDAP is a complete superset of MIDP. As for MIDP, PDAP applications are based on the MIDlet class and share the MIDlet life cycle, as illustrated in Figure 3.1. However, PDAP contains several additional packages. For example, the AWT classes allow much more sophisticated user interfaces than lcdui, giving the programmer fine-grained control over component layout.
In this chapter, we will concentrate on the user interface enhancements of PDAP.
HelloPdap Revisited
The HelloPdap example from Chapter 1, “Java 2 Micro Edition Overview,” is already a complete PDAP application. Now that you have the necessary foundation, you can revisit HelloPdap from an API point of view.
First, you import the necessary midlet and awt packages: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.