Android in Practice
Charlie Collins, Michael D. Galpin, and Matthias Kaeppler
  • September 2011
  • ISBN 9781935182924
  • 648 pages
  • printed in black & white

In-depth coverage of the No. 1 smartphone platform.

Gabor Paller, Ericsson

Android in Practice is a treasure trove of Android goodness, with over 90 tested, ready-to-use techniques including complete end-to-end example applications and practical tips for real world mobile application developers. Written by real world Android developers, this book addresses the trickiest questions raised in forums and mailing lists. Using an easy-to-follow problem/solution/discussion format, it dives into important topics not covered in other Android books, like advanced drawing and graphics, testing and instrumentation, building and deploying applications, using alternative languages, and native development.

Table of Contents show full



about this book

about the cover illustration

Part 1 Background and fundamentals

1. Introducing Android

1.1. Android in a nutshell

1.2. Hello Android!

1.3. Java, but not Java Java

1.4. Linux, but not Linux Linux

1.5. More capabilities with native libraries

1.6. Tools of the trade

1.7. Summary

2. Android application fundamentals

2.1. The DealDroid application

2.2. Core building blocks

2.3. Application manifest

2.4. Resources

2.5. Layout, views, and widgets

2.6. Activities

2.7. Adapters

2.8. Intents and IntentFilters

2.9. The Application object

2.10. Summary

3. Managing lifecycle and state

3.1. Defining an Android application

3.2. Knowing the Activity lifecycle

3.3. Controlling Activity instance state

3.4. Getting things done within a task

3.5. Summary

Part 2 Real world recipes

4. Getting the pixels perfect

4.1. The MyMovies application

4.2. View hierarchies and rendering

4.3. Arranging views in layouts

Technique 1 The merge and include directives

4.4. Expanding on ListView and Adapter

Technique 2 Managing a stateful list

4.5. Applying themes and styles

Technique 4 Applying and writing styles

Technique 5 Applying and writing themes

Technique 6 Styling ListView backgrounds

4.6. Working with drawables

Technique 7 Working with shape drawables

Technique 8 Working with selector drawables

Technique 9 Scaling views with nine-patch drawables

4.7. Creating portable user interfaces

Technique 10 Automatically scaling to different screens

Technique 11 Loading configuration dependent resources

Technique 12 Programming pixel-independently

4.8. Summary

5. Managing background tasks with Services

5.1. It’s all about the multitasking

5.2. Why services and how to use them

Technique 13 Creating a Service

Technique 14 Starting a Service automatically

Technique 15 Communicating with a Service

Technique 16 Using a Service for caching data

Technique 17 Creating notifications

5.3. Scheduling and Services

Technique 18 Using the AlarmManager

Technique 19 Keeping Services awake

Technique 20 Using Cloud to Device Messaging

5.4. Summary

6. Threads and concurrency

6.1. Concurrency in Android

Technique 21 Basic threading

Technique 22 Communicating change between threads

Technique 23 Managing threads in thread pools

6.2. Working with AsyncTask

Technique 24 Implementing jobs with AsyncTask

Technique 250 Preparing for configuration changes

6.3. Miscellaneous techniques

Technique 26 Displaying splash screens with timers

Technique 27 Implementing custom message loops

6.4. Summary

7. Storing data locally

7.1. Reading and writing files

Technique 28 Using internal storage

Technique 29 Using external storage

Technique 30 Using cache directories

Technique 31 Making sure files are saved with sync

7.2. Maintaining preferences

Technique 32 Reading and writing preference data

Technique 33 Using a PreferenceActivity

7.3. Working with a database

Technique 34 Creating a database and model objects

Technique 35 Creating DAOs and a data manager

7.4. Inspecting SQLite databases

7.5. Summary

8. Sharing data between apps

8.1. Process-to-process sharing

Technique 36 Using Intents

Technique 37 Making remote procedure calls

Technique 38 Share data (and more) by sharing Context

8.2. Accessing common data

Technique 39 Using standard ContentProviders

Technique 40 Working with a custom ContentProvider

8.3. Summary

9. HTTP networking and web services

9.1. Basic HTTP networking

Technique 41 HTTP with HttpURLConnection

Technique 42 HTTP with Apache HttpClient

Technique 43 Configuring a thread-safe HttpClient

9.2. Consuming XML and JSON web services

Technique 44 Parsing XML with SAX

Technique 45 Parsing XML with XmlPull

Technique 46 Parsing JSON

9.3. How to gracefully recover from network failures

Technique 47 Retrying requests using request-retry handlers

Technique 48 Handling network configuration changes

9.4. Summary

10. Location is everything

10.1. A brief introduction to geospatial coordinates

10.2. Location managers, providers, and listeners

Technique 49 Checking the status of a LocationProvider

Technique 50 Determining current location with a LocationListener

10.3. Building a map-based application

Technique 51 Converting an address to geographical coordinates

Technique 52 Creating a MapActivity with associated MapView

Technique 53 Displaying OverlayItems on a MapView

10.4. Summary

11. Appeal to the senses using multimedia

11.1. Features too good for a feature phone

Technique 54 Detecting capabilities

11.2. Managing media

Technique 55 Working with resources and files

Technique 56 Using media ContentProviders

Technique 57 Using Intents and Activities

11.3. Media playback

Technique 58 Images and simple animations

Technique 59 Controlling audio

Technique 60 Watching video

11.4. Capturing input

Technique 61 Taking pictures

Technique 62 Recording audio and video

11.5. Summary

12. 2D and 3D drawing

12.1. Drawing with the 2D libraries

Technique 63 Going full screen

Technique 64 Drawing simple shapes

Technique 65 Rendering continuously in the UI thread

Technique 66 Drawing text to the screen

Technique 67 Using a typeface when drawing text

Technique 68 Displaying bitmaps

Technique 69 Applying 2D effects

12.2. 3D and OpenGL ES

Technique 70 Drawing the first triangle

Technique 71 Creating a pyramid

Technique 72 Coloring the pyramid

Technique 73 Adding texture to the pyramid

12.3. Summary

Part 3 Beyond standard development

13. Testing and instrumentation

13.1. Testing the Android

Technique 74 A simple Android unit test

13.2. Pulling strings: Android instrumentation

Technique 75 Unit testing Activities

Technique 76 User stories as functional tests

Technique 77 Beautiful tests with Robotium

13.3. Beyond instrumentation: mocks and monkeys

Technique 78 Mock objects and how to use them

Technique 79 Accelerating unit tests with Robolectric

Technique 80 Stressing out with the Monkey

13.4. Summary

14. Build management

14.1. Building Android applications

Technique 81 Building with Ant

14.2. Managing builds with Maven

Technique 82 Building with Maven

Technique 83 The Maven Eclipse plugin

Technique 84 The Maven/Android SDK deployer

14.3. Build servers and continuous builds

Technique 85 Continuous builds with Hudson

Technique 86 Matrix builds

14.4. Summary

15. Developing for Android tablets

15.1. Tablet prep

Technique 87 Leveraging existing code using library projects

Technique 88 Targeting only tablets

15.2. Tablet fundamentals

Technique 89 Fragments

Technique 90 The Action Bar

Technique 91 Drag and Drop

15.3. Summary

Appendix A: Debugging tools of the trade

Appendix B: Extending Android development

Appendix C: ProGuard

Appendix D: monkeyrunner


About the book

It's not hard to find the information you need to build your first Android app. Then what? If you want to build real apps, you will need some how-to advice, and that's what this book is about.

Android in Practice is a rich source of Android tips, tricks, and best practices, covering over 90 clever and useful techniques that will make you a more effective Android developer. Techniques are presented in an easy-to-read problem/solution/discussion format. The book dives into important topics like multitasking and services, testing and instrumentation, building and deploying applications, and using alternative languages.

What's inside

  • 91 Techniques covering Android 1.x to 3.x
  • Android for tablets
  • Working with threads and concurrency
  • Testing and building
  • Using location awareness and GPS
  • Styles and themes
  • much more!

About the reader

This book requires a working knowledge of Java, but no prior experience with Android is assumed.

About the authors

Charlie Collins is a mobile and web developer at MOVL, a contributor to several open source projects, and a coauthor of GWT in Practice and Unlocking Android. Michael Galpin is a developer at Bump Technologies and worked on two of the most downloaded apps on the Android Market, Bump, and eBay Mobile. Matthias Käppler is an Android and API engineer at Qype.

combo $49.99 pBook + eBook
eBook $39.99 pdf + ePub + kindle

FREE domestic shipping on three or more pBooks

Practical and immediately useful.

Kevin McDonagh, Novoda

Gets you thinking with an Android mindset.

Norman Klein, POSMobility

The hows and the whys. Highly Recommended!

Al Scherer, Follett Higher Education Group

Go from regular old Java developer to cool Android app author!

Cheryl Jerozal, Atlassian