## Preface

The J2ME Wireless Toolkit Basic Customization Guide describes how to create your own device skins, create obfuscator plug-ins and perform other customizations on the J2ME Wireless Toolkit.

## Who Should Use This Book

This guide is intended for developers who need to configure the J2ME Wireless Toolkit to accommodate new device emulator skins. This document assumes that you are familiar with Java programming, Mobile Information Device Profile (MIDP) and the Connected Limited Device Configuration (CLDC) specifications.

## How This Book Is Organized

This guide contains the following chapters and appendixes:

Chapter 1 outlines the possibilities of toolkit customization.

Chapter 2 is a tutorial that shows how to create device property files. The tutorial shows you how to obtain and enter image files, screen properties, button properties, soft button label areas, and icon properties. The tutorial also explains how to set color properties and how to run the emulator for the new device.

Chapter 3 shows how to create a plug-in for an obfuscator.

## Typographic Conventions

Typeface | Meaning | Examples
--- | --- | ---
`AaBbCc123` | The names of commands, files, and directories; on-screen computer output | Edit your `.login` file. Use `ls -a` to list all files. `% You have mail`.
AaBbCc123 | What you type, when contrasted with on-screen computer output | `%` su `Password:`
AaBbCc123 | Book titles, new words or terms, words to be emphasized Command-line variable; replace with a real name or value | Read Chapter 6 in the User’s Guide. These are called class options. You must be superuser to do this. To delete a file, type `rm` filename.
{AaBbCc.dir} | Variable file names and directories. | These files are located under the {toolkit}`\apps\`{demo_name}`\bin\` directory where {toolkit} is the installation directory of the J2ME Wireless Toolkit and {demo_name} is the name of one of the demo applications.

##

## Related Documentation

Application | Title
--- | ---
J2ME Wireless Toolkit | J2ME Wireless Toolkit User’s Guide
J2ME Wireless Toolkit | J2ME Wireless Toolkit Toolkit Release Notes

##

## Accessing Documentation Online

The following sites provide technical documentation related to Java technology.

http://developer.sun.com/

http://java.sun.com/docs/

## We Welcome Your Comments

We are interested in improving our documentation and welcome your comments and suggestions. You can email your comments to us at:

wtk-comments@sun.com

| J2ME Wireless Toolkit Basic Customization Guide J2ME Wireless Toolkit 2.2

Copyright © 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to the license terms.