Symbols
<application> 461
<fragment> 235
<fragment> element 235
<receiver> 440
<uses-permission> 420
Code Reformatting 67
@layout/toolbar_fragment 245
.well-known folder 661
A
AbsoluteLayout 112
ACCESS_COARSE_LOCATION permission 596
ACCESS_FINE_LOCATION permission 596
ACTION_CREATE_DOCUMENT 564
ACTION_CREATE_INTENT 565
ACTION_DOWN 210
ACTION_MOVE 210
ACTION_OPEN_DOCUMENT 559
ACTION_OPEN_DOCUMENT intent 558
ACTION_POINTER_DOWN 210
ACTION_POINTER_UP 210
ACTION_UP 210
ACTION_VIEW 435
Active / Running state 86
adding to a project 169
adding views in Java code 189
class 89
creation 14
Entire Lifetime 93
Foreground Lifetime 93
lifecycle methods 92
lifecycles 83
returning data from 418
state change example 97
state changes 89
states 86
Visible Lifetime 93
ActivityCompat class 601
Activity Lifecycle 85
Activity Manager 72
Activity Stack 85
Actual screen pixels 180
adb
command-line tool 53
list devices 53
restart server 54
ADB
enabling on Android devices 53
Linux configuration 56
macOS configuration 54
overview 53
testing connection 56
Windows configuration 55
addCategory() method 439
addMarker() method 623
addView() method 184
ADD_VOICEMAIL permission 596
Advanced Profiling 675
android
commandline tool 34
exported 461
gestureColor 229
layout_behavior property 403
onClick 237
uncertainGestureColor 229
Android
Activity 73
architecture 69
events 203
intents 74
onClick Resource 203
runtime 70
SDK Packages 6
android.app 70
Android Architecture Components 251
android.content 70
android.content.Intent 417
android.database 70
Android Debug Bridge. See ADB
Android Design Support Library 363
Android Development
System Requirements 3
Android Devices
designing for different 111
android.graphics 70
android.hardware 70
android.intent.action 445
android.intent.action.BOOT_COMPLETED 462
android.intent.action.MAIN 435
android.intent.category.LAUNCHER 435
Android Libraries 70
AndroidManifest.xml file 170
android.media 71
Android Monitor tool window 31, 100
Android Native Development Kit 71
android.net 71
android.opengl 71
android.os 71
android.permission.RECORD_AUDIO 605
android.print 71
Android Profiler 675
Android Project
create new 13
android.provider 71
Android SDK Location
identifying 8
Android SDK Packages
version requirements 7
Android SDK Tools
command-line access 8
Linux 9
macOS 10
Windows 7 8
Windows 8 9
Android Software Stack 69
Android Storage Access Framework 558
Android Studio
changing theme 51
downloading 3
Editor Window 46
installation 4
Linux installation 5
macOS installation 4
Main Window 45
Menu Bar 46
Navigation Bar 46
Project tool window 47
setup wizard 5
Status Bar 46
Toolbar 46
updating 11
Welcome Screen 45
Windows installation 4
android.text 71
Android tool window 49
android.util 71
android.view 71
android.view.View 114
android.view.ViewGroup 111, 114
Android Virtual Device. See AVD
overview 27
Android Virtual Device Manager 27
android.webkit 71
android.widget 71
APK analyzer 704
APK file 698
split 708
APK File
analyzing 704
APK Signing 736
APK Wizard dialog 696
App Architecture
modern 251
AppBar
anatomy of 401
appbar_scrolling_view_behavior 403
App Bundles 693
creating 698
overview 693
revisions 703
uploading 700
AppCompatActivity class 90
Application
stopping 31
Application Context 75
Application Framework 71
Application Manifest 75
Application Resources 75
App Link
Adding Intent Filter 668
Assistant 663
Digital Assets Link file 661
Intent Filter Handling 668
Intent Filters 659
Intent Handling 660
Testing 671
tutorial 663
URL Mapping 665
website association 672
App Link Assistant 663
App Links 659
overview 659
Apply Changes 197
Apply Changes and Restart Activity 197
Apply Code Changes 197
fallback settings 199
options 197
Run App 197
tutorial 199
Architecture Components 251
ART 70
assetlinks.json 661
Attribute Keyframes 330
Audio
supported formats 603
Audio Playback 603
Audio Recording 603
Autoconnect Mode 144
AVD
configuration files 36
creation 28
overview 27
renaming 36
running an application 29
starting 29
Startup size and orientation 29
B
Background Process 84
Barriers 138
adding 156
constrained views 138
Base APK file 708
Baseline Alignment 137
beginTransaction() method 236
Binding Expressions 275
one-way 275
two-way 276
BIND_JOB_SERVICE permission 462
bindService() method 460, 471, 476
Biometric Authentication 685
callbacks 689
overview 685
tutorial 685
Biometric Prompt 691
BitmapFactory 560
black activity 14
Blank template 115
Blueprint view 143
BODY_SENSORS permission 596
Bottom Up 679
adding to a project 472
Implementing the Binder 472
Interaction options 471
BoundService class 473
Broadcast Intent 439
example 442
sending 442
Sticky 441
Broadcast Receiver 439
adding to manifest file 444
creation 443
BroadcastReceiver class 440
BroadcastReceiver superclass 443
BufferedReader object 571
Build Variants 736
Build Variants tool window 49
Bundle class 106
Bundled Notifications 494
C
Calendar permissions 596
Call Chart 680
CALL_PHONE permission 596
CAMERA permission 596
Camera permissions 596
CameraUpdateFactory class
methods 624
CancellationSignal 690
Canvas class 654
CardView
example 383
layout file 381
responding to selection of 389
CardView class 381
CATEGORY_OPENABLE 558
C/C++ Libraries 71
Chain bias 164
chain head 136
chains 136
Chains
creation of 161
Chain style
changing 163
chain styles 136
CharSequence 107
CheckBox 111
checkSelfPermission() method 600
Circle class 613
Code completion 62
Code Editor
basics 59
Code completion 62
Code Generation 64
Code Reformatting 67
Document Tabs 60
Editing area 60
Gutter Area 60
Live Templates 68
Splitting 61
Statement Completion 63
Status Bar 61
Code Generation 64
code samples
download 1
CollapsingToolbarLayout
example 404
introduction 404
parallax mode 404
pin mode 404
setting scrim color 407
setting title 407
with image 404
Color class 655
COLOR_MODE_MONOCHROME 630, 650
com.android.application 711
com.android.dynamic-feature 711
Common Gestures 217
detection 217
Component tree 17
Configuration APK file 708
Constraint Bias 135
adjusting 148
ConstraintLayout
advantages of 141
Availability 142
Barriers 138
Baseline Alignment 137
chain bias 164
chain head 136
chains 136
chain styles 136
Constraint Bias 135
Constraints 133
conversion to 160
convert to MotionLayout 337
deleting constraints 148
guidelines 154
Guidelines 138
manual constraint manipulation 145
overview of 133
Spread chain 136
Spread inside 163
Spread inside chain 136
tutorial 169
using in Android Studio 143
Widget Group Alignment 159
ConstraintLayout chains
creation of 161
in layout editor 161
ConstraintLayout Chain style
changing 163
Constraints
deleting 148
ConstraintSet
addToHorizontalChain() method 186
addToVerticalChain() method 186
alignment constraints 185
apply to layout 184
applyTo() method 184
centerHorizontally() method 185
centerVertically() method 185
chains 185
clear() method 186
clone() method 185
connect() method 184
connect to parent 184
constraint bias 185
copying constraints 185
create 184
create connection 184
createHorizontalChain() method 185
createVerticalChain() method 185
guidelines 186
removeFromHorizontalChain() method 186
removeFromVerticalChain() method 186
removing constraints 186
rotation 187
scaling 186
setGuidelineBegin() method 186
setGuidelineEnd() method 186
setGuidelinePercent() method 186
setHorizonalBias() method 185
setRotationX() method 187
setRotationY() method 187
setScaleX() method 186
setScaleY() method 186
setTransformPivot() method 187
setTransformPivotX() method 187
setTransformPivotY() method 187
setVerticalBias() method 185
sizing constraints 185
tutorial 189
view IDs 191
ConstraintSet.PARENT_ID 184
Constraint Sets 184
ConstraintSets
configuring 326
Contacts permissions 596
container view 111
Content Provider 72
overview 75
Context class 75
CoordinatorLayout 112, 401, 403
CPU Profiler 678
createPrintDocumentAdapter() method 645
Custom Attribute 327
Custom Document Printing 633, 645
Custom Gesture
recognition 223
Custom Print Adapter
implementation 647
Custom Print Adapters 645
Cycle Editor 355
Cycle Keyframe 335
Cycle Keyframes
overview 351
D
dangerous permissions 595
list of 596
Dark Theme 31
enable on device 31
Data Access Object (DAO) 524
Data Access Objects (DAO) 528
live updates 556
SQL query 556
Database Rows 518
Database Schema 517
Database Tables 517
Data binding
binding expressions 275
Data Binding 254
binding classes 274
enabling 281
event and listener binding 276
key components 271
overview 271
tutorial 279
with LiveData 254
DDMS 31
Debugging
enabling on device 53
deltaRelative 331
Density-independent pixels 179
Density Independent Pixels
converting to pixels 194
Developer Signature 614
Device Definition
custom 128
Digital Asset Link file 672
Digital Assets Link file 661
Direct Reply Input 505
Direct Reply Notification 499
document provider 557
dp 179
Dynamic Delivery 710
Dynamic Feature APK 708
Dynamic Feature Module
architecture 707
overview 707
removal 733
tutorial 717
Dynamic Feature Modules
deferred installation 713
handling of large 715
Dynamic Feature Support
adding to project 717
Dynamic State 91
saving 105
E
Empty Process 85
Empty template 115
Emulator
battery simulation 40
cellular configuration 40
configuring fingerprints 42
creation 28
directional pad 40
extended control options 39
Extended controls 39
fingerprint 40
location configuration 39
phone settings 40
resize 39
rotate 38
Screen Record 40
Snapshots 40
starting 29
take screenshot 38
toolbar 37
toolbar options 37
Virtual Sensors 40
zoom 38
enabling ADB support 53
Energy Profiler 684
Event Handling 203
example 204
Event Listener 206
Event Listeners 204
Event Log tool window 49
Events
consuming 207
explicit
intent 74
explicit intent 417
Explicit Intent 417
Extended Control
options 39
F
Favorites tool window 49
Files
switching between 60
findPointerIndex() method 210
findViewById() 77
Fingerprint
emulation 42
Fingerprint authentication
device configuration 686
permission 686
steps to implement 685
Fingerprint Authentication
overview 685
tutorial 685
FLAG_INCLUDE_STOPPED_PACKAGES 439
Flame Chart 680
flexible space area 401
floating action button 14, 116, 363
changing appearance of 367
margins 364
overview of 363
removing 117
sizes 364
Foldable Devices 94
multi-resume 94
Foldable Emulator 510
Foldables 509
Foreground Process 84
Forward-geocoding 617
Fragment
creation 233
event handling 237
FragmentActivity class 90
Fragment Communication 238
Fragments 233
adding in code 236
duplicating 372
example 241
overview 233
FragmentStateAdapter class 369, 375
createFragment() 375
getItemCount() 375
FrameLayout 112
G
Geocoder class 616
Geocoder object 617
Geocoding 616
Gesture Builder Application 223
building and running 224
Gesture Detector class 217
GestureDetectorCompat 220
instance creation 220
GestureDetectorCompat class 217
GestureDetector.OnDoubleTapListener 217, 218
GestureDetector.OnGestureListener 218
GestureLibrary 223
GestureLibrary class 223
GestureOverlayView 223
configuring color 229
configuring multiple strokes 229
GestureOverlayView class 223
GesturePerformedListener 223
Gestures
interception of 229
Gestures File
creation 224
extract from SD card 225
loading into application 226
GET_ACCOUNTS permission 596
getAction() method 445
getFromLocation() method 617
getId() method 184
getIntent() method 418
getPointerCount() method 210
getPointerId() method 210
getService() method 476
GNU/Linux 70
Google Cloud Print 628
Google Drive 558
printing to 628
GoogleMap 613
map types 620
GoogleMap.MAP_TYPE_HYBRID 621
GoogleMap.MAP_TYPE_NONE 620
GoogleMap.MAP_TYPE_NORMAL 621
GoogleMap.MAP_TYPE_SATELLITE 621
GoogleMap.MAP_TYPE_TERRAIN 621
Google Maps 613
Google Maps Android API 613
Controlling the Map Camera 624
developer signature 614
displaying controls 621
gesture handling 622
Map Markers 623
overview 613
Google Play Developer Console 694
Gradle
APK signing settings 740
Build Variants 736
command line tasks 741
dependencies 735
Manifest Entries 736
overview 735
sensible defaults 735
Gradle Build File
top level 736
Gradle Build Files
module level 738
Gradle tool window 49
GridLayout 112
GridLayoutManager 379
H
Handler class 480
HP Print Services Plugin 627
HTML printing 631
HTML Printing
example 635
I
Image Printing 630
implicit
intent 74
implicit intent 417
Implicit Intent 419
Implicit Intents
example 431
in 179
In-Memory Database 531
Instant Dynamic Feature Module 708
Intent 74
explicit 74
implicit 74
Intent Availability
checking for 421
Intent.CATEGORY_OPENABLE 565
intent filters 417
Intent Filters 420
App Link 659
intent resolution 420
Intents 417
overview 417
Intent Service 459
Intent URL 433
J
Java Native Interface 71
Jetpack 251
overview 251
JobIntentService 459, 463, 464, 466
BIND_JOB_SERVICE permission 462
onHandleWork() method 459
K
KeyAttribute 330
Keyboard Shortcuts 50
Cycle Editor 355
tutorial 351
Keyframe 343
Keyframes 330
KeyFrameSet 360
KeyPosition 331
deltaRelative 331
parentRelative 331
pathRelative 332
Keystore File
creation 696
KeyTrigger 335
Killed state 86
L
launcher activity 170
layout_collapseMode
parallax 406
pin 406
layout_constraintDimentionRatio 166
layout_constraintHorizontal_bias 164
layout_constraintVertical_bias 164
layout editor
ConstraintLayout chains 161
Autoconnect Mode 144
code mode 122
Component Tree 120
design mode 119
device screen 119
example project 169
Inference Mode 145
palette 119
properties panel 120
Sample Data 128
Setting Properties 123
toolbar 120
user interface design 171
view conversion 127
Layout Editor Tool
changing orientation 16
overview 119
Layout Managers 111
LayoutResultCallback object 651
Layouts 111
layout_scrollFlags
enterAlwaysCollapsed mode 403
enterAlways mode 403
exitUntilCollapsed mode 403
scroll mode 403
Layout Validation 130
libc 71
Lifecycle
awareness 293
components 254
owners 293
states and events 295
tutorial 297
Lifecycle-Aware Components 293
Lifecycle Methods 92
Lifecycle Observer 297
creating a 297
Lifecycle Owner
creating a 300
Lifecycles
modern 254
LinearLayout 112
LinearLayoutManager 379
LinearLayoutManager layout 388
Linux Kernel 70
list devices 53
adding to ViewModel 265
observer 267
tutorial 265
Live Templates 68
Local Bound Service 471
example 471
Location Manager 72
Location permission 596
LogCat
enabling 100
filter configuration 101
M
Manifest File
permissions 434
Maps 613
MapView 613
adding to a layout 618
Marker class 613
Master/Detail Flow
creation 410
Object Kind 410
two pane mode 409
match_parent properties 179
Material design 363
MediaController
adding to VideoView instance 577
MediaController class 574
methods 574
MediaPlayer class 603
methods 603
MediaRecorder class 603
methods 604
recording audio 604
Memory Profiler 681
Messenger object 481
Microphone
checking for availability 606
Microphone permissions 596
mm 179
getActionMasked() 210
MotionLayout 325
arc motion 330
Attribute Keyframes 330
ConstraintSets 326
Custom Attribute 346
Custom Attributes 327
Cycle Editor 355
Cycle Keyframes 335
Editor 337
KeyAttribute 330
KeyCycle 351
Keyframes 330
KeyFrameSet 360
KeyPosition 331
KeyTimeCycle 351
KeyTrigger 335
OnSwipe 329
overview 325
Position Keyframes 331
previewing animation 341
starting animation 328
Trigger Keyframe 335
Tutorial 337
MotionScene
ConstraintSets 326
Custom Attributes 327
file 326
overview 325
transition 326
moveCamera() method 624
Multiple Touches
handling 210
multi-resume 94
Multi-Touch
example 210
Multi-touch Event Handling 209
Multi-Window
attributes 513
Multi-Window Mode
detecting 514
entering 511
launching activity into 515
Multi-Window Notifications 514
multi-window support 94
Multi-Window Support
enabling 512
My Location Layer 614
N
Navigation 303
adding destinations 313
overview 303
pass data with safeargs 319
passing arguments 308
safeargs 308
stack 303
tutorial 309
Navigation Action
triggering 307
Navigation Architecture Component 303
Navigation Component
tutorial 309
Navigation Controller
accessing 307
adding actions 315
creating a 310
Navigation Host 304
declaring 311
Network Profiler 682
normal permissions 595
Notification
adding actions 494
direct reply 499
Direct Reply Input 505
issuing a basic 490
launch activity from a 492
PendingIntent 501
Reply Action 502
updating direct reply 506
Notifications 485
bundled 494
overview 485
Notifications Manager 72
O
Observer
implementing a LiveData 267
onActivityResult() method 419, 428, 564, 565
onAttach() method 238
onBind() method 460, 467, 471, 479
onBindViewHolder() method 387
OnClick 329
onClick() method 203
onCreateContextMenuListener 204
on-demand modules 707
onDoubleTap() method 217
onDown() method 217
onFling() method 217
onFocusChangeListener 204
OnFragmentInteractionListener
implementation 317
onGesturePerformed() method 223
onHandleIntent() method 464
onHandleWork() method 459, 460, 464
onKeyListener 204
onLayoutFailed() method 651
onLayoutFinished() method 651
onLongClick() method 208
onLongPress() method 217
onMapReady() method 619
onPageFinished() callback 636
onPause() method 92
onReceive() method 84, 440, 441, 443
onRequestPermissionsResult() method 599, 611
onRestart() method 92
onRestoreInstanceState() method 93
onSaveInstanceState() method 93
onScaleBegin() method 229
onScaleEnd() method 229
onScale() method 229
onScroll() method 217
OnSeekBarChangeListener 247
onServiceConnected() method 471, 475, 482
onServiceDisconnected() method 471, 475, 482
onShowPress() method 217
onSingleTapUp() method 217
onStartCommand() method 460, 467, 468
onStart() method 92
onStop() method 92
onTouchEvent() method 217, 229
onTouch() method 209
openFileDescriptor() method 558, 559
P
Package Explorer 15
Package Manager 72
PackageManager class 606
PackageManager.FEATURE_MICROPHONE 606
PackageManager.PERMISSION_DENIED 597
PackageManager.PERMISSION_GRANTED 597
Package Name 14
Paint class 655
parentRelative 331
parent view 113
pathRelative 332
Paused state 86
PdfDocument 633
PendingIntent class 501
Permission
checking for 597
permissions
dangerous 595
normal 595
Persistent State 91
Phone permissions 596
picker 557
Pinch Gesture
detection 229
example 230
Pinch Gesture Recognition 223
Polygon class 613
Polyline class 613
Position Keyframes 331
PrintAttributes 650
PrintDocumentInfo 650
Printing
color 630
monochrome 630
Printing framework
architecture 627
Printing Framework 627
Print Job
starting 656
Print Manager 627
PrintManager service 637
PROCESS_OUTGOING_CALLS permission 596
Process States 83
Profiler 675
Bottom Up 679
Call Chart 680
CPU Profiler 678
enable advanced profiling 675
Energy Profiler 684
Flame Chart 680
Instrumented 678
Memory 681
Network 682
Sampled 678
Sessions Panel 677
Top Down 679
ProgressBar 111
proguard-rules.pro file 739
ProGuard Support 736
Project Name 14
pt 179
px 180
Q
Quick Documentation 66
R
RadioButton 111
ratios 165
READ_CALENDAR permission 596
READ_CALL_LOG permission 596
READ_CONTACTS permission 596
READ_EXTERNAL_STORAGE permission 597
READ_PHONE_STATE permission 596
READ_SMS permission 596
RECEIVE_MMS permission 596
RECEIVE_SMS permission 596
RECEIVE_WAP_PUSH permission 596
Recent Files Navigation 50
RECORD_AUDIO permission 596
Recording Audio
permission 605
RecyclerView 379
adding to layout file 380
example 383
GridLayoutManager 379
initializing 388
LinearLayoutManager 379
StaggeredGridLayoutManager 379
RecyclerView Adapter
creation of 386
getItemCount() method 380
onBindViewHolder() method 380
onCreateViewHolder() method 380
RecyclerView.ViewHolder
getAdapterPosition() method 390
registerReceiver() method 441
RelativeLayout 112
release mode 693
releasePersistableUriPermission() method 561
Release Preparation 693
Remote Bound Service 479
client communication 479
implementation 480
manifest file declaration 481
RemoteInput.Builder() method 501
RemoteInput Object 501
Remote Service
launching and binding 482
sending a message 483
Repository
tutorial 541
Repository Modules 254
requestPermissions() method 599
Resource
string creation 19
Resource File 21
Resource Management 83
Resource Manager 72
result receiver 441
Reverse-geocoding 617
Reverse Geocoding 616
Room
Data Access Object (DAO) 524
In-Memory Database 531
Repository 524
Room Database 524
tutorial 541
Room Database Persistence 523
Room Persistence Library 521, 523
root element 111
root view 113
Runtime Permission Requests 595
Run tool window 49
S
tutorial 393
library dependencies 289
contains() method 289
keys() method 289
remove() method 289
Saved State module 287
SavedStateViewModelFactory 288, 289
ScaleGestureDetector class 229
Scale-independent 180
SD Card storage 605
SDK Manager 45
SDK Packages 6
SDK Settings 6
Secure Sockets Layer (SSL) 71
SeekBar 241
sendBroadcast() method 439, 441
sendOrderedBroadcast() method 439, 441
SEND_SMS permission 596
sendStickyBroadcast() method 439
Sensor permissions 596
Service
anatomy 460
launch at system start 462
manifest file entry 461
overview 74
run in separate process 462
starting 465
ServiceConnection class 482
Service Process 84
Service Restart Options 461
Service Tasks
in new thread 469
setAudioEncoder() method 604
setAudioSource() method 604
setBackgroundColor() 184
setCompassEnabled() method 622
setContentView() method 183, 189
setId() method 184
setMyLocationButtonEnabled() method 622
setOnClickListener() method 203, 206
setOnDoubleTapListener() method 217, 220
setOutputFile() method 604
setOutputFormat() method 604
setResult() method 419
setRotateGesturesEnabled() method 623
setScrollGesturesEnabled() method 622
setText() method 108
setTiltGesturesEnabled() method 622
setTransition() 335
setVideoSource() method 604
setZoomControlsEnabled() method 622
shouldOverrideUrlLoading() method 636
shouldShowRequestPermissionRationale() method 601
SimpleOnScaleGestureListener 229
SimpleOnScaleGestureListener class 231
SMS permissions 596
overview of 364
Snapshots
emulator 41
sp 180
Space class 112
split APK files 708
SplitCompatApplication 712
SplitInstallManager 713
Spread chain 136
Spread inside 163
Spread inside chain 136
SQL 518
SQLite 517
AVD command-line use 519
Columns and Data Types 517
overview 518
Primary keys 518
StaggeredGridLayoutManager 379
startActivityForResult() method 419, 428
startActivity() method 417
Started Service 459
example 463
startForeground() method 84
START_NOT_STICKY 461
START_REDELIVER_INTENT 461
startService() method 459
START_STICKY 461
State
restoring 108
State Change
handling 87
Statement Completion 63
status bar 401
Sticky Broadcast Intents 441
Stopped state 86
stopSelf() method 459
stopService() method 459
Storage Access Framework 557
ACTION_CREATE_DOCUMENT 558
ACTION_OPEN_DOCUMENT 558
deleting a file 561
example 563
file creation 564
file filtering 558
file reading 560
file writing 560
intents 558
MIME Types 559
Persistent Access 561
picker 557
Storage permissions 597
StringBuilder object 571
strings.xml file 23
Structured Query Language 518
Structure tool window 49
SupportMapFragment class 613
Switcher 50
System Broadcasts 445
system requirements 3
T
tab bar 401
TabLayout 369
adding to layout 372
app
tabGravity property 377
tabMode property 377
example 370
fixed mode 376
getItem() method 369
overview 369
scrollable mode 377
TabLayoutMediator class 376
TableRow 533
Telephony Manager 72
Templates
blank vs. empty 115
Terminal tool window 49
Time Cycle Keyframes 335
TODO tool window 49
toolbar 401
ToolbarListener 238
tools
layout 235
tool window bars 47
Tool Windows 47
Top Down 679
Touch Actions 210
Touch Event Listener
implementation 211
Touch Events
intercepting 209
Touch handling 209
U
UiSettings class 613
unbindService() method 460
unregisterReceiver() method 441
URL Mapping 665
USB debugging
enabling 54
USE_BIOMETRIC 686
user interface state 91
USE_SIP permission 596
V
Video Playback 573
VideoView class 573
methods 573
supported formats 573
view bindings 77
enabling 78
using 78
View class
setting properties 190
view conversion 127
ViewGroup 111
View Groups 111
View Hierarchy 113
ViewHolder class 380
sample implementation 387
ViewModel
adding LiveData 265
data access 263
fragment association 261
overview 252
saved state 287
tutorial 257
ViewModelProvider 261
ViewModel Saved State 287
ViewPager2 class 369
Views 111
Java creation 183
View System 72
Virtual Device Configuration dialog 28
Virtual Sensors 40
Visible Process 84
W
WebView view 433
Widget Dimensions 137
Widget Group Alignment 159
Widgets palette 172
wrap_content properties 182
WRITE_CALENDAR permission 596
WRITE_CALL_LOG permission 596
WRITE_CONTACTS permission 596
WRITE_EXTERNAL_STORAGE permission 597
X
XML Layout File
manual creation 179
vs. Java Code 183