Teach Yourself Wireless Java with J2ME in 21 Days [Morrison 2001-06-27].pdf

Michael Morrison

Teach Yourself

Wireless Java

with J2ME

21 Days

201 West 103rd St., Indianapolis, Indiana, 46290 USA

Sams Teach Yourself Wireless Java

with J2ME in 21 Days

retrieval system, or transmitted by any means, electronic, mechanical, photo-

copying, recording, or otherwise, without written permission from the publish-

er. No patent liability is assumed with respect to the use of the information

contained herein. Although every precaution has been taken in the preparation

of this book, the publisher and author assume no responsibility for errors or

omissions. Nor is any liability assumed for damages resulting from the use of

the information contained herein.

E XECUTIVE E DITOR

Michael Stephens

A CQUISITIONS E DITOR

Carol Ackerman

D EVELOPMENT E DITOR

Bryan Morgan

M ANAGING E DITOR

Matt Purcell

P ROJECT E DITOR

Andy Beaster

C OPY E DITORS

Cindy Fields

Gene Redding

I NDEXER

Johnna Dinse

P ROOFREADER

Candice Hightower

T ECHNICAL E DITOR

Bryan Morgan

T EAM C OORDINATOR

Lynne Williams

M EDIA D EVELOPER

Dan Scherf

I NTERIOR D ESIGNER

Gary Adair

C OVER D ESIGNER

Aren Howell

P AGE L AYOUT

Susan Geiselman

International Standard Book Number: 0-672-32142-4

Library of Congress Catalog Card Number: 2001089623

Printed in the United States of America

First Printing: June 2001

04 03 02 01

4321

Trademarks

All terms mentioned in this book that are known to be trademarks or service

marks have been appropriately capitalized. Sams cannot attest to the accuracy

of this information. Use of a term in this book should not be regarded as

affecting the validity of any trademark or service mark.

Warning and Disclaimer

Every effort has been made to make this book as complete and as accurate as

possible, but no warranty or fitness is implied. The information provided is on

an “as is” basis. The author and the publisher shall have neither liability nor

responsibility to any person or entity with respect to any loss or damages aris-

ing from the information contained in this book or from the use of the CD or

programs accompanying it.

Contents at a Glance

Introduction

Part I Getting Started with J2ME and MIDP

Day 1 Java 2 Micro Edition: The Big Picture

Day 2 Assembling a J2ME Development Kit

Day 3 Getting to Know the J2ME Emulator

Day 4 Building Your First MIDlet

Day 5 Working within the CLDC and MIDP APIs

Day 6 Creating Custom Device Profiles

105

Part II Digging Deeper into MIDIet Development

125

Day 7 Building Graphical MIDlets

127

Day 8 Making the Most of MIDlet GUIs

151

Day 9 Exploring MIDlet I/O and Networking

189

Day 10 Being Your Own Meteorologist

213

Day 11 Wireless Navigation

237

Day 12 Optimizing MIDlet Code

265

Part III Wireless Information Management with MIDlets

279

Day 13 Using the MIDP Record Management System (RMS)

281

Day 14 Staying in Touch with Your Contacts

311

Day 15 Managing Your Finances

339

Day 16 Bidding on the Go

373

Part IV Entertaining Without the Wires

401

Day 17 Creating Animated MIDlets

403

Day 18 An Ode to Pong: Creating MIDlet Gaming

437

Day 19 The Next Level of MIDlet Gaming

461

Part V Exploring J2ME Wireless Technologies

491

Day 20 A J2ME Wireless Device Tour

493

Day 21 The Future of J2ME

509

Part VI Appednixes

521

A Quiz Answers

523

B What’s on the CD-ROM

531

Index

535

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