Android - CommonsWare

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Table of Contents Welcome to the Warescription!.........................................................xvii Preface..................................................................................................xix Welcome to the Book!...............................................................................xix Prerequisites...............................................................................................xix Warescription.............................................................................................xx Book Bug Bounty.......................................................................................xxi Source Code And Its License...................................................................xxii Creative Commons and the Four-to-Free (42F) Guarantee..................xxii Acknowledgments...................................................................................xxiii The Big Picture.........................................................................................1 What <strong>Android</strong>s Are Made Of.......................................................................3 Activities.................................................................................................3 Content Providers..................................................................................4 Services...................................................................................................4 Intents.....................................................................................................4 Stuff At Your Disposal..................................................................................4 Storage....................................................................................................4 Network...................................................................................................5 Multimedia.............................................................................................5 iii Subscribe to updates at http://commonsware.com Special Creative Commons BY-SA 3.0 License Edition
GPS..........................................................................................................5 Phone Services........................................................................................5 Projects and Targets................................................................................7 Pieces and Parts............................................................................................7 Creating a Project.........................................................................................8 Project Structure...........................................................................................9 Root Contents........................................................................................9 The Sweat Off Your Brow.....................................................................10 And Now, The Rest of the Story..........................................................10 What You Get Out Of It........................................................................11 Inside the Manifest......................................................................................11 In The Beginning, There Was the Root, And It Was Good...............12 Permissions, Instrumentations, and Applications (Oh, My!)...........13 Your Application Does Something, Right?.........................................14 Achieving the Minimum......................................................................15 Version=Control...................................................................................16 Emulators and Targets................................................................................17 Virtually There......................................................................................17 Aiming at a Target................................................................................19 Creating a Skeleton Application...........................................................23 Begin at the Beginning...............................................................................23 The Activity.................................................................................................24 Dissecting the Activity...............................................................................25 Building and Running the Activity...........................................................26 Using XML-Based Layouts.....................................................................31 What Is an XML-Based Layout?.................................................................31 Why Use XML-Based Layouts?..................................................................32 iv Subscribe to updates at http://commonsware.com Special Creative Commons BY-SA 3.0 License Edition
Page 1 and 2: The Busy Coder's Guide to Android D
Page 3: The Busy Coder's Guide to Android D
Page 7 and 8: Using Selection Widgets............
Page 9 and 10: Embedding the WebKit Browser.......
Page 11 and 12: Styled Text........................
Page 13 and 14: query()............................
Page 15 and 16: You Make the Call!.................
Page 17 and 18: Handling API Changes...............
Page 19 and 20: your operating system does not supp
Page 21 and 22: The book does not cover in any deta
Page 23 and 24: • Places where you think we could
Page 25 and 26: Subscribe to updates at http://comm
Page 29 and 30: The Big Picture • Keyboards, if t
Page 31 and 32: Content Providers The Big Picture C
Page 35 and 36: Projects and Targets To test your a
Page 37 and 38: Projects and Targets • libs/, whi
Page 39 and 40: Projects and Targets You also indic
Page 41 and 42: Projects and Targets In the preced
Page 43 and 44: Projects and Targets ... At the
Page 45 and 46: Projects and Targets You can create
Page 47 and 48: Projects and Targets • Only ask f
Page 51 and 52: Creating a Skeleton Application For
Page 53 and 54: Creating a Skeleton Application The
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Creating a Skeleton Application Fig
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Subscribe to updates at http://comm
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Using XML-Based Layouts Android's S
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Using XML-Based Layouts Since this
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} public void onClick(View view) {
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Employing Basic Widgets • android
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Employing Basic Widgets Each widget
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Employing Basic Widgets For this pr
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Employing Basic Widgets The corresp
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Turn the Radio Up Employing Basic W
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It's Quite a View Employing Basic W
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Thinking Linearly Working with Cont
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Working with Containers • Set all
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Example Working with Containers Let
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} } } Working with Containers case
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Working with Containers If we toggl
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Working with Containers Positions R
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Working with Containers android:lay
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Working with Containers first in th
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Putting Cells in Rows Working with
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Working with Containers You can als
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Working with Containers
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Working with Containers the remaini
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Using Selection Widgets listbox. Th
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Using Selection Widgets android:lay
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Using Selection Widgets Then, rathe
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Using Selection Widgets the setDrop
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Using Selection Widgets Figure 24.
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Using Selection Widgets For example
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Using Selection Widgets TextView, w
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Using Selection Widgets something n
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Using Selection Widgets Figure 28.
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Using Selection Widgets • android
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Getting Fancy With Lists For exampl
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Getting Fancy With Lists A Dynamic
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Getting Fancy With Lists In the sam
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And you want happy users, right? Ge
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Using the Holder Pattern Getting Fa
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Getting Fancy With Lists super.onCr
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} Getting Fancy With Lists public v
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Getting Fancy With Lists So, let's
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Getting Fancy With Lists 1. While w
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Getting Fancy With Lists Figure 33.
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Getting Fancy With Lists So if we w
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Getting Fancy With Lists layout.set
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Getting Fancy With Lists public Rat
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Getting Fancy With Lists Details of
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Employing Fancy Widgets and Contain
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The Input Method Framework Of cours
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The Input Method Framework H
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The Input Method Framework Numbers
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The Input Method Framework android:
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The Input Method Framework Figure 5
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Applying Menus will appear, showing
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Applying Menus appropriate behavior
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Applying Menus @Override public voi
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Applying Menus Figure 56. The MenuD
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Applying Menus Figure 59. The same
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Applying Menus • You must
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Applying Menus In the layout XML sh
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Fonts 178 Subscribe
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The results? Fonts Figure 61. The F
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Fonts And, of course, Android's int
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android:layout_width="fill_parent"
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Embedding the WebKit Browser on the
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Embedding the WebKit Browser • go
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Running this activity gives us: Emb
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Showing Pop-Up Messages from the cu
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Showing Pop-Up Messages android:lay
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Showing Pop-Up Messages Figure 66.
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Dealing with Threads - merely creat
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Dealing with Threads super.onCreate
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Runnables Dealing with Threads If y
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Dealing with Threads AsyncTask, Gen
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import android.widget.ArrayAdapter;
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Dealing with Threads Since we elect
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Dealing with Threads Figure 68. The
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Handling Activity Lifecycle Events
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onPause() and onResume() Handling A
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What's Your Intent? Creating Intent
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Creating Intent Filters Basically,
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Narrow Receivers Creating Intent Fi
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Launching Activities and Sub-Activi
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} }); } } Launching Activities and
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Handling Rotation control over the
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Uri contact=null; Handling Rotation
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Handling Rotation Figure 74. The Ro
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Handling Rotation viewButton.setOnC
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Handling Rotation android:versionNa
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Handling Rotation To block Android
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Handling Rotation Note that Android
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Working with Resources • Strings,
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Working with Resources ((TextView)f
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@Override public void onCreate(Bund
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Got the Picture? Working with Resou
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Working with Resources Figure 79. T
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Working with Resources public void
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10px 1in Working with Resources In
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Working with Resources Different St
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Working with Resources • There ca
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Working with Resources 2. Next, And
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Using Preferences 3. getDefaultShar
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Using Preferences allowing users to
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Using Preferences Figure 81. The Si
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Using Preferences The fields for
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Using Preferences Any children of P
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Using Preferences Figure 85. The ch
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Philadelphia Pittsburgh Allentown/B
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Using Preferences Figure 88. Editin
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Managing and Accessing Local Databa
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Accessing Files application package
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} } Accessing Files .makeText(this,
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android:text="Close" /> Accessing
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Accessing Files openFileInput() to
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Leveraging Java Libraries • Size:
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android:layout_height="wrap_content
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Leveraging Java Libraries Figure 96
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Reviewing the Script Leveraging Jav
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Communicating via the Internet styl
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Communicating via the Internet We h
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Communicating via the Internet for
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Pieces of Me Using a Content Provid
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Using a Content Provider This metho
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Using a Content Provider • The pr
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Using a Content Provider To delete
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First, Some Dissection Building a C
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onCreate() Building a Content Provi
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Building a Content Provider } else
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Building a Content Provider WHERE c
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getType() Building a Content Provid
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Building a Content Provider
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Mother, May I? Requesting and Requi
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Requesting and Requiring Permission
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Requesting and Requiring Permission
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Service with Class Creating a Servi
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Creating a Service immune to garbag
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Creating a Service For example, the
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Creating a Service @Override protec
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The Ties That Bind Invoking a Servi
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Invoking a Service private void upd
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Alerting Users Via Notifications In
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import android.app.Activity; import
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Alerting Users Via Notifications 4.
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Accessing Location-Based Services L
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Accessing Location-Based Services
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Accessing Location-Based Services
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Mapping with MapView and MapActivit
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Rugged Terrain Mapping with MapView
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Handling Telephone Calls Report To
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Handling Telephone Calls The activi
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Development Tools Figure 105. ReadW
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Development Tools Figure 107. Hiera
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Development Tools Figure 109. Hiera
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Development Tools What may not be i
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Logging Development Tools Figure 11
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Development Tools Figure 114. DDMS
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Development Tools Figure 116. DDMS
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Development Tools Figure 118. Simul
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Put It On My Card Development Tools
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Taking the Default Handling Multipl
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Handling Multiple Screen Sizes •
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Handling Multiple Screen Sizes Thes
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Density-Based Sets Handling Multipl
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Handling Multiple Screen Sizes •
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Handling Multiple Screen Sizes size
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Handling Multiple Screen Sizes Repl
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Handling Multiple Screen Sizes scal
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Handling Multiple Screen Sizes R.st
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Handling Multiple Screen Sizes Figu
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Handling Multiple Screen Sizes />
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Handling Multiple Screen Sizes Now
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super.onCreate(savedInstanceState);
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Handling Multiple Screen Sizes In s
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Dealing With Devices Fortunately, s
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Dealing With Devices Market are tes
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Dealing With Devices The CLIQ also
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Not all devices will be this way. H
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The lessons to take from this: Hand
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Handling Platform Changes Note that
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Wrapping the API Handling Platform
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Handling Platform Changes } else {
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} } Handling Platform Changes publi
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You might also consider: Where Do W
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ContentManager.....................
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PreferenceCategory.................
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INTEGER............................
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getSpeed().........................
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setColumnShrinkable()..............
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android:paddingBottom..............
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