Android Apps with App Inventor: The Fast and Easy Way to Build Android Apps

Index

2D (two-dimensional) animations

collision detection, 351–355

moving graphic objects, 349–351

overview, 345–349

squash game with dynamic animation, 355–358

Abelson, Hal

App Inventor at MIT and, 10

background information on, 544

preface, xv–xvi

Abstract block types, 59

Accelerometer, 20

AccelerometerSensor

balance game for whole body, 397–403

basics of sensory acceleration measurement, 387–389

measuring g-force with, 387

setting measurement sensitivity via slider control, 393–397

using phone as musical shaker, 389–393

Access

audio file, 195–196

emulator, 69

options for media, 175–178

Acoustic feedback, 192

Actions

at app start with Screen, 171–174

creating interactive logic, 99–101

triggering with Button, 150–153

Active media key

creating ...