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Beginning Android
■■■
Mark L. Murphy
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Beginning Android
Copyright © 2009 by Mark L. Murphy
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording, or by any information storage or retrieval
system, without the prior written permission of the copyright owner and the publisher.
ISBN-13 (pbk): 978-1-4302-2419-8
ISBN-13 (electronic): 978-1-4302-2420-4
Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1
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Contents at a Glance
About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Core Concepts
PART 1
■ ■
■
■ CHAPTER 1
The Big Picture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
■ CHAPTER 2
Project Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
■ CHAPTER 3
Inside the Manifest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Activities
PART 2
■ ■
■
■
CHAPTER 4
Creating a Skeleton Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
■
CHAPTER 5
Using XML-Based Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
■
CHAPTER 6
Employing Basic Widgets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
■
CHAPTER 7
Working with Containers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
■
CHAPTER 8
Using Selection Widgets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
■
CHAPTER 9
Getting Fancy with Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
■
CHAPTER 10
Employing Fancy Widgets and Containers . . . . . . . . . . . . . . . . . . . . . 93
■
CHAPTER 11
Applying Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
■
CHAPTER 12
Fonts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
■
CHAPTER 13
Embedding the WebKit Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
■
CHAPTER 14
Showing Pop-Up Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
■
CHAPTER 15
Dealing with Threads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
■
CHAPTER 16
Handling Activity Lifecycle Events . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
iv
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Data Stores, Network Services,
and APIs
PART 3
■ ■
■
■ CHAPTER 17
Using Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
■ CHAPTER 18
Accessing Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
■ CHAPTER 19
Working with Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
■ CHAPTER 20
Managing and Accessing Local Databases . . . . . . . . . . . . . . . . . . . 193
■ CHAPTER 21
Leveraging Java Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
■ CHAPTER 22
Communicating via the Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Intents
PART 4
■ ■
■
■
CHAPTER 23
Creating Intent Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
■
CHAPTER 24
Launching Activities and Sub-Activities . . . . . . . . . . . . . . . . . . . . . . 221
■
CHAPTER 25
Finding Available Actions via Introspection . . . . . . . . . . . . . . . . . . . 231
■
CHAPTER 26
Handling Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Content Providers and Services
PART 5
■ ■
■
■ CHAPTER 27
Using a Content Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
■ CHAPTER 28
Building a Content Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
■ CHAPTER 29
Requesting and Requiring Permissions . . . . . . . . . . . . . . . . . . . . . . 269
■ CHAPTER 30
Creating a Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
■ CHAPTER 31
Invoking a Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
■ CHAPTER 32
Alerting Users via Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
v
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Other Android Capabilities
PART 6
■ ■
■
■ CHAPTER 33
Accessing Location-Based Services . . . . . . . . . . . . . . . . . . . . . . . . . 293
■ CHAPTER 34
Mapping with MapView and MapActivity . . . . . . . . . . . . . . . . . . . . . 299
■ CHAPTER 35
Handling Telephone Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
■ CHAPTER 36
Searching with SearchManager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
■ CHAPTER 37
Development Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
■ CHAPTER 38
Where Do We Go from Here? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
■ APPENDIX
Introducing Android 1.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
■ INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
vi
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