android-6-for-programmers-3rd

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Join the Deitel & Associates, Inc. Social Networking Communities xxvii gramming language and Android Studio. Included are approximately 16–20 hours of expert training synchronized with Android 6 for Programmers: An App-Driven Approach. For additional information about Deitel LiveLessons video products, visit http://www.deitel.com/livelessons or contact us at deitel@deitel.com. You also can access our LiveLessons videos if you have a subscription to SafariBooksOnline.com. For a free 10-day trial, register at http://www.safaribooksonline.com/register Join the Deitel & Associates, Inc. Social Networking Communities To receive updates on this and our other publications, new and updated apps, online Resource Centers, instructor-led on-site training courses and more, join the Deitel social networking communities on • Facebook ® —http://facebook.com/DeitelFan • LinkedIn ® —http://bit.ly/DeitelLinkedIn • Twitter ® —http://twitter.com/deitel • Google+ —http://google.com/+DeitelFan • YouTube ® —http://youtube.com/DeitelTV and subscribe to the Deitel ® Buzz Online newsletter http://www.deitel.com/newsletter/subscribe.html Contacting the Authors We’d sincerely appreciate your comments, criticisms, corrections and suggestions for improvement. Please address all questions and other correspondence to deitel@deitel.com We’ll respond promptly and post corrections and clarifications as Android evolves at: http://www.deitel.com/books/AndroidFP3 and on Facebook, LinkedIn, Twitter, Google+ and the Deitel® Buzz Online. Visit http://www.deitel.com to • download code examples • check out the growing list of online programming Resource Centers • receive updates for this book, subscribe to the free Deitel ® Buzz Online e-mail newsletter at http://www.deitel.com/newsletter/subscribe.html • receive information on our Dive Into ® Series instructor-led programming-language training courses offered at customer sites worldwide. Acknowledgments Thanks to Barbara Deitel for long hours devoted to this project—she created all of our Android Resource Centers and patiently researched hundreds of technical details.
xxviii Preface We appreciate the efforts and 20-year mentorship of our friend and professional colleague Mark L. Taub, Editor-in-Chief of the Pearson Technology Group. Mark and his team publish all of our professional books and LiveLessons video products. Michelle Housley recruited distinguished members of the Android community to review the manuscript. We selected the cover art and Chuti Prasertsith designed the cover. John Fuller manages the production of all of our Deitel Developer Series books. We thank Michael Morgano, a former colleague of ours at Deitel & Associates, Inc., now an Android developer at PHHHOTO, who co-authored the first editions of this book and our book, iPhone for Programmers: An App-Driven Approach. Michael is an extraordinarily talented software developer. Finally, we thank Abbey Deitel, former President of Deitel & Associates, Inc., and a graduate of Carnegie Mellon University’s Tepper School of Management where she received a B.S. in Industrial Management. Abbey managed the business operations of Deitel & Associates, Inc. for 17 years, along the way co-authoring a number of our publications, including the previous editions’ versions of Chapters 1 and 10. Reviewers of the Content from Android 6 for Programmers: An App-Driven Approach and Android How to Program Recent Editions We’d like to thank the following professionals and academics who reviewed this book and/ or its previous editions. They scrutinized the text and the code and provided countless suggestions for improving the presentation: Paul Beusterien (Principal, Mobile Developer Solutions), Eric J. Bowden, COO (Safe Driving Systems, LLC), Tony Cantrell (Georgia Northwestern Technical College), Ian G. Clifton (Independent Contractor, Android App Developer and author of Android User Interface Design: Implementing Material Design for Developers, 2nd Edition), Daniel Galpin (Android Advocate and author of Intro to Android Application Development), Jim Hathaway (Application Developer, Kellogg Company), Douglas Jones (Senior Software Engineer, Fullpower Technologies), Charles Lasky (Nagautuck Community College), Enrique Lopez-Manas (Lead Android Architect, Sixt, and Computer Science Teacher at the University of Alcalá in Madrid), Sebastian Nykopp (Chief Architect, Reaktor), Michael Pardo (Android Developer, Mobiata), Luis Ramirez (Lead Android Engineer at Reverb), Ronan “Zero” Schwarz (CIO, OpenIntents), Arijit Sengupta (Wright State University), Donald Smith (Columbia College), Jesus Ubaldo Quevedo-Torrero (University of Wisconsin, Parkside), Dawn Wick (Southwestern Community College) and Frank Xu (Gannon University). Well, there you have it! Android 6 for Programmers: An App-Driven Approach will quickly get you started developing Android apps with Android 6 and Android Studio. We hope you enjoy reading the book as much as we enjoyed writing it! Paul Deitel Harvey Deitel About the Authors Paul Deitel, CEO and Chief Technical Officer of Deitel & Associates, Inc., is a graduate of MIT, where he studied Information Technology. He holds the Java Certified Programmer and Java Certified Developer designations and is an Oracle Java Champion. Paul was also named as a Microsoft ® Most Valuable Professional (MVP) for C# in 2012–2014.
Page 2 and 3: ANDROID 6 FOR PROGRAMMERS AN APP-D
Page 4 and 5: ANDROID 6 FOR PROGRAMMERS AN APP-D
Page 6 and 7: To the Android software-engineering
Page 8 and 9: Contents Preface Before You Begin x
Page 10 and 11: Contents ix 2.8 Internationalizing
Page 12 and 13: Contents xi 4.4 Creating the Projec
Page 14 and 15: Contents xiii 5.8.4 Overridden View
Page 16 and 17: Contents xv 7.2 Test-Driving the We
Page 18 and 19: Contents xvii 9 Address Book App 32
Page 20 and 21: Contents xix 10.2.7 Getting a Priva
Page 22 and 23: Preface Welcome to the dynamic worl
Page 24 and 25: Features xxiii development tools we
Page 26 and 27: Pedagogic Features xxv Cloud Test L
Page 30 and 31: About Deitel & Associates, Inc. xxi
Page 32 and 33: Before You Begin In this section, y
Page 34 and 35: Configure Android Studio to Disallo
Page 36 and 37: A Note Regarding Android Studio and
Page 38 and 39: 1 Introduction to Android Objective
Page 40 and 41: 1.2 Android—The World’s Leading
Page 42 and 43: 1.3 Android Features 5 Multitouch S
Page 44 and 45: 1.4 Android Operating System 7 Andr
Page 46 and 47: 1.4 Android Operating System 9 impa
Page 48 and 49: 1.4 Android Operating System 11 Fea
Page 50 and 51: 1.5 Downloading Apps from Google Pl
Page 52 and 53: 1.6 Packages 15 Several of the pack
Page 54 and 55: 1.7 Android Software Development Ki
Page 56 and 57: 1.8 Object-Oriented Programming: A
Page 58 and 59: 1.9 Test-Driving the Tip Calculator
Page 68 and 69: 1.10 Building Great Android Apps 31
Page 70 and 71: 1.11 Android Development Resources
Page 72 and 73: 2 Welcome App Dive-Into® Android S
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Page 76 and 77: 2.3 Creating an App 39 2.3.1 Launch
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2.3 Creating an App 41 book’s app
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2.3 Creating an App 43 Figure 2.6 b
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2.4 Android Studio Window 45 Projec
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2.4 Android Studio Window 47 Resour
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2.5 Building the App’s GUI with t
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2.6 Running the Welcome App 65 You
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2.8 Internationalizing Your App 67
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3 Tip Calculator App Introducing Gr
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3.2 Test-Driving the Tip Calculator
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3.3 Technologies Overview 77 On a p
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3.3 Technologies Overview 79 access
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3.4 Building the GUI 81 For the amo
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3.4 Building the GUI 83 For the rem
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3.4 Building the GUI 85 Step 3: Add
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3.4 Building the GUI 87 Step 7: Con
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3.5 Default Theme and Customizing T
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3.5 Default Theme and Customizing T
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3.6 Adding the App’s Logic 93 tor
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3.6 Adding the App’s Logic 95 use
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3.6 Adding the App’s Logic 97 Dis
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3.6 Adding the App’s Logic 99 res
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3.7 AndroidManifest.xml 101 5 11
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3.8 Wrap-Up 103 • Android looks a
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4 Flag Quiz App Fragments, Menus, P
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4.1 Introduction 107 nonduplicated
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4.2 Test-Driving the Flag Quiz App
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4.2 Test-Driving the Flag Quiz App
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4.3 Technologies Overview 113 4.3 T
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4.3 Technologies Overview 115 a cor
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4.3 Technologies Overview 117 Quali
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4.3 Technologies Overview 119 We us
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4.4 Creating the Project, Resource
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4.5 Building the App’s GUI 133 qu
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4.5 Building the App’s GUI 135 Fi
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4.5 Building the App’s GUI 137 Fi
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4.5 Building the App’s GUI 139 la
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4.6 MainActivity Class 141 15 impor
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4.6 MainActivity Class 143 Configur
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4.6 MainActivity Class 145 4.6.6 Ov
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4.7 MainActivityFragment Class 147
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4.8 SettingsActivity Class 161 364
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4.10 AndroidManifest.xml 163 14 15
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5 Doodlz App 2D Graphics, Canvas, B
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5.1 Introduction 167 5.1 Introducti
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5.2 Test-Driving the Doodlz App in
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5.2 Test-Driving the Doodlz App in
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5.3 Technologies Overview 173 the a
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5.3 Technologies Overview 175 you
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5.4 Creating the Project and Resour
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5.4 Creating the Project and Resour
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5.5 Building the App’s GUI 181 25
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5.5 Building the App’s GUI 183 7.
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5.5 Building the App’s GUI 185 GU
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5.6 MainActivity Class 187 5.5.5 Ad
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5.8 DoodleView Class 199 rent point
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5.8 DoodleView Class 201 Paint’s
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5.8 DoodleView Class 203 how to han
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5.8 DoodleView Class 205 166 // cal
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5.9 ColorDialogFragment Class 207 2
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5.9 ColorDialogFragment Class 209 5
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5.10 LineWidthDialogFragment Class
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5.10 LineWidthDialogFragment Class
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5.11 EraseImageDialogFragment Class
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i 6 Cannon Game App Manual Frame-By
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6.1 Introduction 219 and fire the c
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6.3 Technologies Overview 221 more.
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6.4 Building the GUI and Resource F
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6.5 Overview of This App’s Classe
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6.7 MainActivityFragment Subclass o
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6.8 Class GameElement 229 37 38 39
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6.11 Cannon Class 231 5 public clas
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6.11 Cannon Class 233 38 // creates
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6.12 Cannonball Subclass of GameEle
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6.13 CannonView Subclass of Surface
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6.14 Wrap-Up 255 created a run meth
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7.1 Introduction 257 Outline 7.1 In
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7.3 Technologies Overview 259 Hint
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7.3 Technologies Overview 261 7.3.2
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7.3 Technologies Overview 263 to th
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7.4 Building the App’s GUI and Re
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7.5 Class Weather 269 Step 3: Addin
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7.5 Class Weather 271 18 // constru
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7.6 Class WeatherArrayAdapter 273 7
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7.6 Class WeatherArrayAdapter 275 9
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7.7 Class MainActivity 277 • The
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7.7 Class MainActivity 279 7.7.3 Ov
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7.7 Class MainActivity 281 Method c
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7.7 Class MainActivity 283 These pr
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7.8 Wrap-Up 285 mance via the view-
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8.1 Introduction 287 Outline 8.1 In
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8.2 Test-Driving the App 289 EditTe
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8.2 Test-Driving the App 291 8.2.2
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8.2 Test-Driving the App 293 Fig. 8
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8.5 MainActivity Class 303 new layo
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8.5 MainActivity Class 305 32 publi
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8.5 MainActivity Class 307 Getting
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8.5 MainActivity Class 309 115 // s
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8.5 MainActivity Class 311 ry to pe
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8.5 MainActivity Class 313 AlertDia
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8.6 SearchesAdapter Subclass of Rec
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8.6 SearchesAdapter Subclass of Rec
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8.7 ItemDivider Subclass of Recycle
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8.9 Wrap-Up 321 We once again used
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323 Outline 9.1 Introduction 9.2 Te
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9.1 Introduction 325 a) In landscap
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9.2 Test-Driving the Address Book A
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9.5 Overview of This Chapter’s Cl
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9.6 DatabaseDescription Class 343 1
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9.7 AddressBookDatabaseHelper Class
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9.8 AddressBookContentProvider Clas
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9.9 MainActivity Class 355 10 11 pu
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9.9 MainActivity Class 357 EditFrag
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9.9 MainActivity Class 359 115 // d
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9.10 ContactsFragment Class 361 25
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9.10 ContactsFragment Class 363 9.1
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9.11 ContactsAdapter Class 365 136
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9.11 ContactsAdapter Class 367 52 5
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9.12 AddEditFragment Class 369 4 5
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9.12 AddEditFragment Class 371 68 6
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9.12 AddEditFragment Class 373 9.12
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9.12 AddEditFragment Class 375 Load
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9.13 DetailFragment Class 377 25 im
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9.13 DetailFragment Class 379 85 ph
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9.13 DetailFragment Class 381 154 b
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9.14 Wrap-Up 383 method of the Cont
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10.1 Introduction 385 Outline 10.1
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10.2 Preparing Your Apps for Public
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10.2 Preparing Your Apps for Public
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10.3 Pricing Your App: Free or Fee
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10.5 Monetizing Apps: Using In-App
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10.7 Setting Up a Google Payments M
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10.9 Launching Play Store from With
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10.13 Marketing Your Apps 399 Platf
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10.13 Marketing Your Apps 401 E-Mai
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10.14 Wrap-Up 403 Mobile ad network
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Index Numerics 100 Destinations 5 A
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Index 407 android.permission.WRITE_
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Index 409 classes (cont.) FragmentT
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Index 411 documentation (cont.) Cla
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Index 413 getX method of class Moti
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Index 415 license for Android 4 lic
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Index 417 onProgressUpdate method o
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Index 419 res folder of an Android
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Index 421 surfaceChanged method of
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