PROFESSIONAL ANDROID®, FOURTH EDITION
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
CHAPTER 1 Hello, Android . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CHAPTER 3 Applications and Activities and Fragments, Oh My! . . . . . . . . . . . . . 57
CHAPTER 4 efining the Android Manifest and Gradle Build Files,
D
and Externalizing Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
CHAPTER 5 Building User Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
CHAPTER 6 Intents and Broadcast Receivers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
CHAPTER 7 Using Internet Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
CHAPTER 8 Files, Saving State, and User Preferences. . . . . . . . . . . . . . . . . . . . . 245
CHAPTER 9 Creating and Using Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
CHAPTER 10 Content Providers and Search. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
CHAPTER 11 Working in the Background. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
CHAPTER 12 Implementing the Android Design Philosophy. . . . . . . . . . . . . . . . . 433
CHAPTER 13 Implementing a Modern Android User Experience. . . . . . . . . . . . . 463
CHAPTER 14 Advanced Customization of Your User Interface. . . . . . . . . . . . . . . 501
CHAPTER 15 Location, Contextual Awareness, and Mapping. . . . . . . . . . . . . . . . 541
CHAPTER 16 Hardware Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619
CHAPTER 17 Audio, Video, and Using the Camera . . . . . . . . . . . . . . . . . . . . . . . . 665
CHAPTER 18 Communicating with Bluetooth, NFC, and Wi-Fi Peer-to-Peer. . . . 713
CHAPTER 19 Invading the Home Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 743
CHAPTER 20 Advanced Android Development. . . . . . . . . . . . . . . . . . . . . . . . . . . 787
CHAPTER 21 Releasing, Distributing, and Monitoring Applications. . . . . . . . . . . 825
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 863
,PROFESSIONAL
Android®
Fourth Edition
,PROFESSIONAL
Android®
Fourth Edition
Reto Meier
Ian Lake
, Professional Android ®, Fourth Edition
Published by
John Wiley & Sons, Inc.
10475 Crosspoint Boulevard
Indianapolis, IN 46256
www.wiley.com
Copyright © 2018 by John Wiley & Sons, Inc., Indianapolis, Indiana
Published simultaneously in Canada
ISBN: 978-1-118-94952-8
ISBN: 978-1-118-94954-2 (ebk)
ISBN: 978-1-118-94953-5 (ebk)
Manufactured in the United States of America
10 9 8 7 6 5 4 3 2 1
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, scanning or otherwise, except as permitted under Sections 107 or 108
of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization
through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers,
MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the
Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201)
748-6008, or online at http://www.wiley.com/go/permissions.
Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with
respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including
without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or pro-
motional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold
with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services.
If professional assistance is required, the services of a competent professional person should be sought. Neither the pub-
lisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Web site is referred to
in this work as a citation and/or a potential source of further information does not mean that the author or the publisher
endorses the information the organization or Web site may provide or recommendations it may make. Further, readers
should be aware that Internet Web sites listed in this work may have changed or disappeared between when this work was
written and when it is read.
For general information on our other products and services please contact our Customer Care Department within the
United States at (877) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002.
Wiley publishes in a variety of print and electronic formats and by print-on-demand. Some material included with stan-
dard print versions of this book may not be included in e-books or in print-on-demand. If this book refers to media such
as a CD or DVD that is not included in the version you purchased, you may download this material at http://book-
support.wiley.com. For more information about Wiley products, visit www.wiley.com.
Library of Congress Control Number: 2018951986
Trademarks: Wiley, the Wiley logo, Wrox, the Wrox logo, Programmer to Programmer, and related trade dress are trade-
marks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries,
and may not be used without written permission. Android is a registered trademark of Google, LLC All other trademarks
are the property of their respective owners. John Wiley & Sons, Inc., is not associated with any product or vendor
mentioned in this book.
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
CHAPTER 1 Hello, Android . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CHAPTER 3 Applications and Activities and Fragments, Oh My! . . . . . . . . . . . . . 57
CHAPTER 4 efining the Android Manifest and Gradle Build Files,
D
and Externalizing Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
CHAPTER 5 Building User Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
CHAPTER 6 Intents and Broadcast Receivers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
CHAPTER 7 Using Internet Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
CHAPTER 8 Files, Saving State, and User Preferences. . . . . . . . . . . . . . . . . . . . . 245
CHAPTER 9 Creating and Using Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
CHAPTER 10 Content Providers and Search. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
CHAPTER 11 Working in the Background. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
CHAPTER 12 Implementing the Android Design Philosophy. . . . . . . . . . . . . . . . . 433
CHAPTER 13 Implementing a Modern Android User Experience. . . . . . . . . . . . . 463
CHAPTER 14 Advanced Customization of Your User Interface. . . . . . . . . . . . . . . 501
CHAPTER 15 Location, Contextual Awareness, and Mapping. . . . . . . . . . . . . . . . 541
CHAPTER 16 Hardware Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619
CHAPTER 17 Audio, Video, and Using the Camera . . . . . . . . . . . . . . . . . . . . . . . . 665
CHAPTER 18 Communicating with Bluetooth, NFC, and Wi-Fi Peer-to-Peer. . . . 713
CHAPTER 19 Invading the Home Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 743
CHAPTER 20 Advanced Android Development. . . . . . . . . . . . . . . . . . . . . . . . . . . 787
CHAPTER 21 Releasing, Distributing, and Monitoring Applications. . . . . . . . . . . 825
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 863
,PROFESSIONAL
Android®
Fourth Edition
,PROFESSIONAL
Android®
Fourth Edition
Reto Meier
Ian Lake
, Professional Android ®, Fourth Edition
Published by
John Wiley & Sons, Inc.
10475 Crosspoint Boulevard
Indianapolis, IN 46256
www.wiley.com
Copyright © 2018 by John Wiley & Sons, Inc., Indianapolis, Indiana
Published simultaneously in Canada
ISBN: 978-1-118-94952-8
ISBN: 978-1-118-94954-2 (ebk)
ISBN: 978-1-118-94953-5 (ebk)
Manufactured in the United States of America
10 9 8 7 6 5 4 3 2 1
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, scanning or otherwise, except as permitted under Sections 107 or 108
of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization
through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers,
MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the
Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201)
748-6008, or online at http://www.wiley.com/go/permissions.
Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with
respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including
without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or pro-
motional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold
with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services.
If professional assistance is required, the services of a competent professional person should be sought. Neither the pub-
lisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Web site is referred to
in this work as a citation and/or a potential source of further information does not mean that the author or the publisher
endorses the information the organization or Web site may provide or recommendations it may make. Further, readers
should be aware that Internet Web sites listed in this work may have changed or disappeared between when this work was
written and when it is read.
For general information on our other products and services please contact our Customer Care Department within the
United States at (877) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002.
Wiley publishes in a variety of print and electronic formats and by print-on-demand. Some material included with stan-
dard print versions of this book may not be included in e-books or in print-on-demand. If this book refers to media such
as a CD or DVD that is not included in the version you purchased, you may download this material at http://book-
support.wiley.com. For more information about Wiley products, visit www.wiley.com.
Library of Congress Control Number: 2018951986
Trademarks: Wiley, the Wiley logo, Wrox, the Wrox logo, Programmer to Programmer, and related trade dress are trade-
marks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries,
and may not be used without written permission. Android is a registered trademark of Google, LLC All other trademarks
are the property of their respective owners. John Wiley & Sons, Inc., is not associated with any product or vendor
mentioned in this book.
