By Daryl Wilding-McBride
With the discharge of Java 2 Micro variation (J2ME), solar Microsystems opened Java to the quickly increasing own electronic Assistant (PDA) industry. This accomplished educational and reference offers an in-depth examine constructing PDA software program with J2ME and PersonalJava, overlaying either Palm and PocketPC units. Succinct and functional, JavaaA A improvement on PDAs makes a speciality of real-world programming initiatives with large code examples and an end-to-end PDA program demonstrating suggestions for integrating units with the company through internet companies. This e-book describes the J2ME platform and PersonalJava and discusses layout concerns particular to resource-constrained units. It additionally offers in-depth assurance of networking and net entry, the person interface, information garage, and integrating PDAs into the corporation.You will discover ways to advance Java purposes for PocketPC and Palm units via in-depth assurance of: *J2ME configurations *CLDC and CDC profiles *Selecting a PDA for improvement *PDA improvement instruments *Designing for restricted computational potential *Designing for limited display and reminiscence dimension *PDA consumer interfaces *Storing info at the units *The favourite Connection Framework *Internet entry from a Java PDA program through a GSM mobilephone and Bluetooth *Accessing net prone from Palm and PocketPC units JavaaA A improvement on PDAs concludes with a glance into the way forward for PDA know-how and the increasing function of those units within the company. Written for somebody with a simple wisdom of Java, this significant source is a must have for all these drawn to the Palm OS and PocketPC markets. 0201719541B05292003
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Extra info for Java¿ Development on PDAs: Building Applications for Pocket PC and Palm Devices
High processing power and shorter battery life. PocketPCs currently have 206 MHz or 400 MHz CPUs,[b] and typically 32 to 64 M of memory. [a] ARM is a processor used in many classes of device and is produced by ARM Ltd. [b] In comparing device speed, keep in mind that a 20 MHz device does not necessarily run applications 10 times slower than a device with a 200 MHz CPU, especially if the two devices have different hardware architectures, as do Palm devices and PocketPCs. 2. A Sampling of PDA Prices (circa December 2002)PocketPC Low High Palm OS Low High Casio E-200 $600 $650 Handspring Treo 270 $500 $700 HP iPaq 3970 $715 $780 Palm m515 $300 $400 Compaq iPaq 3870 $537 $680 Palm i705 $298 $450 Toshiba e740 $550 $600 Sony CLIE PEG-NR70V $510 $600 Average $601 $678 Average $402 $538 From this selection of high-end PocketPC and Palm OS devices, we can see that PocketPC devices are roughly 2550% more expensive than high-end Palm OS devices.
Cm. Includes index. ISBN 0-201-71954-1 (alk. paper) 1. Java (Computer program language) 2. Application software--Development. 3. Pocket computers. I. Title. 265--dc21 2003050235 Copyright © 2003 by Pearson Education, Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior consent of the publisher. Printed in the United States of America.
Published simultaneously in Canada. For information on obtaining permission for use of material from this work, please submit a written request to: Pearson Education, Inc. Rights and Contracts Department 75 Arlington Street, Suite 300 Boston, MA 02116 Fax: (617) 848-7047 Text printed on recycled paper 1 2 3 4 5 6 7 8 9 10CRS0706050403 First printing, May 2003 Dedication Dedicated to Gemma and Liam, who hope that Daddy doesn't write another book for a while. Preface Java and PDAs are a powerful combination.