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Code4Lib presentation about smartphone gestures. I talk about an alternative gesture based paradigm for mobile devices and show an example of how to augment an iPhone library search app with gestures.
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Kill the Search Button II
The Handheld Devices Are Coming
Gestures for a Mobile Search App
Michael Poltorak Nielsen
Today's agenda
● Current Mobile Interaction Paradigm
● An Alternative
● Smartphone Gestures
● Demo: A Library Search App with Touch and Gestures
But, the Current Handheld Interaction Paradigm is based on:
Glass
The future is sliding, toomicrosoft.com/office/vision
Pictures Under GlassTransitional paradigm dictated by technology, not human capabilities Bret Victorworrydream.com/ABriefRantOnTheFutureOfInteractionDesign
Alternative Paradigm
Direct Manipulation Gesture Driven Palpable Tactile
Harrison, C. and Hudson, S. E. 2009. Providing Dynamically Changeable Physical Buttons on a Visual
Display
Not bad, huh?
Near Future?
+
Have a Moment
Our Mobile Projects
Mobile Search App(s)
HTML5 + iPhone app, Android?● search library data (10M + 800M)● request stuff, favourites● view own items● renew In beta, to be published really soon
Barcode to Map Location AppWith Silkeborg Public Library
● Augment search app with gestures
● Can gestures be combined with multi-touch interactions?
● Goals: ○ Produce alpha app○ Test usability
Now: Gestures
Smart Phone Interactions and Inputs
Keyboard typingMicrophone speechScreen touch, visualsCamera pattern, movementAccelerometer accelerationGyroscope rotationCompass directionGPS movement, position
Focus on
Keyboard typingMicrophone speechScreen touch, visualsCamera pattern, movementAccelerometer accelerationGyroscope rotationCompass directionGPS movement, position
Gestures
AdvancedCircle, cross, up-down, etcMovement hard to measure Can't reliably calculate movement from acceleration
SimpleTilt, flip, turn, rotate, shake, throwAccelerometer data
What Can Browsers do Accelerometer-wise?
So: Going Native iPhone app with gestures
HTML5 web app without gestures
Android?
Search App Interactions
Do search query, toggle search boxSwitch views compact, normal, expandendNext/previous page switch search results Show full record full info about itemRequest get the materialFavourites save material
Demo Time
What's next?
From Nokia
Challenges
No standard mobile gestures Gestures may be individualGestures may not be appropiate at allSophisticated gestures hard to codeObjective-C Argh!
