Beginning Android Tablet Programming Starting with Android Honeycomb for Tablets Robbie Matthews Beginning Android Tablet Programming: Starting with Android Honeycomb for Tablets Copyright © 2011 by Robbie Matthews 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): 978-1-4302-3783-9 ISBN-13 (electronic): 978-1-4302-3784-6 Trademarked names, logos, and images may appear in this book Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights President and Publisher: Paul Manning Lead Editor: Steve Anglin and Tom Welsh Technical Reviewer: Stephen Bull and Peter Brownlow Editorial Board: Steve Anglin, Mark Beckner, Ewan Buckingham, Gary Cornell, Morgan Engel, Jonathan Gennick, Jonathan Hassell, Robert Hutchinson, Michelle Lowman, James Markham, Matthew Moodie, Jeff Olson, Jeffrey Pepper, Douglas Pundick, Ben Renow-Clarke, Dominic Shakeshaft, Gwenan Spearing, Matt Wade, Tom Welsh Coordinating Editor: Anita Castro Copy Editor: Mary Ann Fugate Compositor: Bytheway Publishing Services Indexer: SPI Global Artist: SPI Global Cover Designer: Anna Ishchenko Distributed to the book trade worldwide by Springer Science+Business Media, LLC., 233 Spring Street, 6th Floor, New York, NY 10013 Phone 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springersbm.com, or visit www.springeronline.com For information on translations, please e-mail rights@apress.com, or visit www.apress.com Apress and friends of ED books may be purchased in bulk for academic, corporate, or promotional use eBook versions and licenses are also available for most titles For more information, reference our Special Bulk Sales–eBook Licensing web page at www.apress.com/bulk-sales The information in this book is distributed on an “as is” basis, without warranty Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work The source code for this book is available to readers at www.apress.com You will need to answer questions pertaining to this book in order to successfully download the code I dedicate this book to my family Without your support and occasional nagging this book would never have been finished Robbie Matthews Contents at a Glance About the Author xiv About the Technical Reviewer xv Acknowledgments xvi Some Notes on Using the Downloaded Code xvii Chapter 1: Getting Started Chapter 2: How Android Works 27 Chapter 3: What Can You Do with an Android Tablet? .53 Chapter 4: Beyond Java: Programming in Python and Friends 79 Chapter 5: Project 1: Media Player .105 Chapter 6: Explorer .123 Chapter 7: Contact Manager .151 Chapter 8: Dude, Where’s My Car? .175 Chapter 10: Remind Me 221 Chapter 11: Everything Else 243 Index 269 iv INDEX Reflection, 133, 137 remapCoordinateSystem, 62 Remind Me, 221 Alarms List Manager, 237, 238 manipulating Alarms Table, 239 contacts, 233, 234 enhancing the application, 241 main screen, 231, 232 onscreen keyboard, 232, 233 responding to Alarm, 235–237 setting Reminder Alarm, 234, 235 testing TTS, 240, 241 Runnable, 244 S savedInstanceState, 33 scaledDensity, 155 Scripting Layer for Android (SL4A), 79, 80 See also Script management Script management, 80 battery management, 97–99 contacts and phone numbers, 102– 103 control phone settings, 94–95 editing, 100–101 events, 89–90 Facades, 82–83 hello_world script, 81 Intent, 83–86 location function, 95–97 media files, 91–94 Prompt, and Help, 82 Python help system, 82 sample programs, 81 SQL, 103 user interaction, 86–88 WakeLock commands, 99–100 SeekBar, 121, 122 SENSOR_DELAY_NORMAL, 59 Sensors accessing SensorManager, 56 Button Click Events, 60 getting orientation, 61–62 onListClick Event, 56 Portrait Mode, 61 screen layout, 54–55 SensorEventListener, 58 testing, 55 types, 54 Values, 60–61 Services, 187–188 Share My Stuff, 75–77 SharedPreferences, 41 shouldOverrideUrlLoading, 69 SimpleCursorAdapter, 114 SMS receiving, 224 sending, 223–224 SmsManager, 223 SmsReceiver, 225 SQLite creating database, 228 definition, 227 getting database, 229 using database, 229, 230 SQLite3, 104 SQLiteOpenHelper, 228 startActivityForResult, 64 static member, 14, 15 staticVariable, 15, 17 StringBuffer and StringBuilder, 21 SurfaceHolder, 121, 204–207 swapCursor, 120 T Target code for ManageList, 195–196 edit dialog, 196–197 TableLayout, 194–195 Target class, 193–194 target editor, 196 TextPaint, 155 Text To Speech (TTS) queues, 227 SMSReceiveService Class, 225–226 TextView, 32 Threads Android Threads, 203 concepts of, 199 Java Threads, 200–203 Three dimensional graphics BA3TPOpenGl, 214 GLSurfaceView implementation, 215 initializing 3D environment, 216, 217 interprocess communication, 219, 220 273 INDEX Three dimensional graphics (cont.) MainActivity for 3D demo, 216 MainActivity onCreate event, 219 onDrawFrame event, 218 onSurfaceChanged event, 218 onSurfaceCreated event, 217 spinning box, 214 TickerText, 188 Timers, 243 Handler, 244 Handler.postAtTime with token, 246 Handler.PostDelayed, 245 implementing real-time clock, 245, 246 stopping gracefully, 246 Toast, 34 toString(), 24 Touch Events, 209 TreeMap IdentityHashMap, 22 Tricorder, 54 274 U Uri.withAppendedPath, 117 USB, 262 device filter, 266 in action, 267 list of devices, 263–264 responding to a plugged device, 266 responding to an unplugged device, 265–266 simple activity, 263 Thread to read from, 265 V varargs, 248 W, X, Y, Z Wakeup Calls, 186 WeakHashMap, 23 .. .Beginning Android Tablet Programming Starting with Android Honeycomb for Tablets Robbie Matthews Beginning Android Tablet Programming: Starting with Android Honeycomb for Tablets... 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springersbm.com, or visit www.springeronline.com For information on translations, please e-mail rights @apress. com, or visit www .apress. com Apress and... Getting Started Chapter 2: How Android Works 27 Chapter 3: What Can You Do with an Android Tablet? .53 Chapter 4: Beyond Java: Programming in Python and Friends 79