Java Reference
In-Depth Information
Fundamentals of Java ME MIDP
In Chapter 1, we examined the core Mobile Information Device Profile
(MIDP) functionality and outlined the CLDC and MIDP classes that form
the development environment. In this chapter, we discuss the basic
concepts of the MIDP application model, its component pieces and how
they fit together to create a fully functional mobile application.
The goal of this chapter is to build a baseline of information to be
used in the rest of the topic, such as a basic knowledge of application
development in MIDP, the MIDP application model, commonly used
packages and classes, the packaging and deployment model, and an
overview of some the most important optional APIs. The information
presented here is also useful for the Symbian OS Java ME certification
We then look at a basic application example which summarizes the
process of creating a mobile application from end to end, and how to run
it on an emulator and on a real device based on Symbian OS.
If you are an experienced Java ME developer and familiar with MIDP
development, you may want to only browse quickly through this chapter,
before you move on to Chapter 3, where we explore Java ME on Symbian
smartphones specifically.
2.1 Introduction to MIDP
There are three types of component (see Section 1.5) that make up
the Java ME environment for mobile devices such as mobile phones:
configurations, profiles and optional packages.
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