Touch

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Visual Feedback
Visual Feedback • Other options include making the buttons bigger • Again, on the iPhone lots of buttons are the full width of the phone • Need to think about how to give the user either implicit or explicit feedback that the touch was registered
Page 1 and 2: Touch Steven R. Bagley
Page 3 and 4: Discuss the difference in terms of
Page 5 and 6: Touch-input • Direct Contact •
Page 7 and 8: Touch and the UI • Touch relies o
Page 9 and 10: What size? • Depends on size of f
Page 11 and 12: What size? • Things are slightly
Page 15 and 16: Device size • On mobile devices,
Page 17 and 18: Visual Feedback • On a phone, it
Page 19 and 20: iPhone Calculator • iPhone Calcul
Page 21: Visual Feedback • Other options i
Page 25 and 26: New Paradigms • Touch (and especi
Page 27 and 28: Programming for Touch • Much like
Page 29 and 30: MotionEvent • This object encapsu
Page 31 and 32: Action Move • As the finger moves
Page 33 and 34: Single Touch events • So a touch
Page 35 and 36: Swipes • Can do similar for a swi
Page 37 and 38: Which pointer? • Multitouch means
Page 39 and 40: Which pointer? • getPointerId() r
Page 41 and 42: Pinch to Zoom • Imagine the two p
Page 43 and 44: Rotation • Very similar approach
Page 45: Automating Gestures • This is a c

Touch

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