platform structure
DEX file format, 64
Java API libraries, 62
MPEG4 H.264 AVC
digital video, 63
Pro Android Appliances, 59
Pro Android Wearables, 59
progress screen, 34
Service class, 58
UI design, 56
view and activity classes, 54–55
XML markup language, 53–54
EditShare LightWorks 11.5, 421
Event handling, Tween
ImageButton widgets, 380
setBackground(null) method, 382
setImageResource( ) method, 382
startAnimation( ) method, 384
Event listeners
onClickListener( ) method, 251
parse( ) methods, 255–256
static keyword, 254
■ F
Frame animation
Android AnimationDrawable class
android.graphics.drawable
sub-package, 357
Java class hierarchy, 357
start( ) method, 358
XML file, 358
animation resolution, 356
bitmaps, 354
cels, 354
digital image file formats, 354
Animated GIF format, 355
PNG, 355
WebP or JPEG, 355
in MainActivity
anim_milkway.xml file, 360
imageviewwhitering.png, 360
padding values, 364
SlidingPane testing, 365
wiring-up, 362
XML definition markup, 362
memory-intensive, 395
optimization
color depth reductiond, 355
data footprint, 356
dot crawl or pixel crawl, 356
downsampling, 355
fewer frames, 356
ImageView plates, 355
number of frames reduction, 355
PorterDuff blending
algorithms, 355
resolution reduction, 355
static and dynamic algorithm, 355
upsampling, 355
parameter animation, 396
processing-intensive, 396
raster imagery, 354
truecolor image formats, 354
tween animation, 367
XML markup, 358–359
Frame Animation, 79
FrameLayout.LayoutParams class, 401
android:layout_gravity constants, 402
center constant, 402
center_vertical/center_horizontal
constant, 402
clip_horizontal and
clip_vertical constant, 402
fill constant, 402
fill_vertical/fill_horizontal constant, 402
generalized positioning, 403
RTL and LTR layout constants, 403
start and end constants, 402■ G
Galaxy selector
child layout container constructs, 297
contentDescription
parameter, 294–295
DIP setting, 299
ImageButton tag, 295
layout_weight parameters, 298
LinearLayout design, 292–293
match_parent constant, 298
structures, 291Index 669