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Interaction Design 201 Vragen of feedback? @ferrydendopper
Designing Gestural
Interfaces
Interaction Design 201 Vragen of feedback? @ferrydendopper
The Mouseover is dead
Interaction Design 201 Vragen of feedback? @ferrydendopper
Ergonomics of Interactive Gestures
 Limitations due to anatomy, physiology and mechanics of the
human body (kinesiology)
 Left-handedness (7-10%)
 Fingernails
 Screen Coverage
Interaction Design 201 Vragen of feedback? @ferrydendopper
Fat fingers
While it might seem counter-intuitive, the
success of small-screen interfaces relies on
big elements, chunky buttons, and airy
spacing. The screens may be tiny, but our
fingers (and often, our attention spans) are not.
Design with fat fingers in mind.
http://www.creativebloq.com/design/designing-touch-2123037
Interaction Design 201 Vragen of feedback? @ferrydendopper
Fat fingers
If buttons get too big, users start having
problems perceiving them as clickable buttons
— and sometimes even discerning them as
discrete elements.
http://www.uxmatters.com/mt/archives/2013/03/common-misconceptions-about-touch.php
Interaction Design 201 Vragen of feedback? @ferrydendopper
Fat fingers
No smaller than 1x1cm in an ideal world
In a not so ideal world:
Iceberg Tips
controls that have larger target than visible
Adaptive Targets
guessing the next item the user will touch, then
increasing the touch target appropriately
http://www.dsource.in/course/touch-screen-gestures/touch-targets/index.html
Interaction Design 201 Vragen of feedback? @ferrydendopper
iPhone grid: 44 pt
Interaction Design 201 Vragen of feedback? @ferrydendopper
Designing Touch Targets
http://www.lukew.com/ff/entry.asp?1085
Interaction Design 201 Vragen of feedback? @ferrydendopper
Hot zones
Interaction Design 201 Vragen of feedback? @ferrydendopper
Met één hand (49%)
Interaction Design 201 Vragen of feedback? @ferrydendopper
Omsluiten met twee handen (36%)
72% 28%
Interaction Design 201 Vragen of feedback? @ferrydendopper
Met 2 handen bedienen
90% 10%
Interaction Design 201 Vragen of feedback? @ferrydendopper
Tablet
Interaction Design 201 Vragen of feedback? @ferrydendopper
Voorkom controls midden-boven
Controls should never go
immediately above the
content they aim to affect.
Be careful that your hand
doesn’t cover the content.
Interaction Design 201 Vragen of feedback? @ferrydendopper
Boven of onder?
Desktop software conventions
put menus at the top of the
screen or window, and
websites typically position
primary navigation at the top of
pages.
Our limited thumbspan,
however, flips that convention
around, and navigation and
primary tap targets sink to the
bottom.
Interaction Design 201 Vragen of feedback? @ferrydendopper
Boven, onder, links, rechts
The screen-bottom bias of
the thumb is more
important than left vs right.
Turns out most of us easily
flip between left and right
hands when we use our
phones. Right-handed users
often favour or switch to their
left hands (when writing, for
example), and lefties likewise
often go with their right.
Interaction Design 201 Vragen of feedback? @ferrydendopper
Linkshandig
Interaction Design 201 Vragen of feedback? @ferrydendopper
Stacking controls vs fat-finger problem
Navigation
on Android
Navigation
on iOS
Interaction Design 201 Vragen of feedback? @ferrydendopper
Houd de zij-randen vrij van controls
Mensen hebben wat meer moeite elementen
aan te raken die helemaal tegen de zij-randen
aangeplakt zitten.
Interaction Design 201 Vragen of feedback? @ferrydendopper
Gestures
Interaction Design 201 Vragen of feedback? @ferrydendopper
Bladeren in een boek
Interaction Design 201 Vragen of feedback? @ferrydendopper
Interaction Design 201 Vragen of feedback? @ferrydendopper
Gestures
Sommige gestures zijn onmiddellijk duidelijk (intuïtief)
of worden snel ontdekt, zoals:
 Tap (indrukken van een knop)
 Drag (slepen, scrollen)
 Swipe (bladzijde omslaan)
 Pinch (in- en uitzoomen)
Interaction Design 201 Vragen of feedback? @ferrydendopper
Gestures
Andere gestures zijn (veel) minder
intuïtief of moeilijk te ontdekken:
 Single Two-Finger Tap (uitzoomen)
 Twist (kompas draaien in Google Maps)
 Kantelen naar landscape voor andere
weergave
Interaction Design 201 Vragen of feedback? @ferrydendopper
Gestures
 Neem niet aan dat mensen de gestures in je app
wel zullen ontdekken, ongeacht hoe simpel,
standaard of consistent.
 Behandel gestures als shortcuts voor acties die je
ook op een andere (vaak langzamere) manier kunt
uitvoeren. Zo heb je altijd een backup.
Interaction Design 201 Vragen of feedback? @ferrydendopper
Wat voor gestures kennen we?
• Tap
• Double-tap
• Touch and Hold
• Drag
• Swipe
• Flick
• Pinch
• Twist
• …
• Rotate
• Tilt
• Shake
• Proximity
• …
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Tap to open/activate
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Tap to select
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Drag to move object
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Slide to scroll
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Spin to scroll
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens and Interactive
Surfaces
Pinch to shrink and spread to enlarge
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Touchscreens & Free-Form
Interactive Gestures
Two-finger tap & shake
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Free-Form Interactive
Gestures
Proximity activates/deactivates
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Free-Form Interactive
Gestures
Shake to change
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Free-Form Interactive
Gestures
Rotate to change state
Interaction Design 201 Vragen of feedback? @ferrydendopper
Patterns for Free-Form Interactive
Gestures
Tilt
Interaction Design 201 Vragen of feedback? @ferrydendopper
Voorzichtig: niet te veel schudden
 Schudden is een leuke gimmick
(vooral voor casual apps), maar
iets te verstoort vaak de flow;
 Niet low-profile: ziet er wat raar uit
voor andere mensen;
 Vestigt aandacht op de hardware
ipv de taak;
 Kan gemakkelijk per ongeluk
getriggerd worden (bv. tijdens
rennen)
Interaction Design 201 Vragen of feedback? @ferrydendopper
Voorzichtig met 2-vinger gestures
 Zijn lastiger dan 1-vinger gestures;
 Nagenoeg onmogelijk om met 1
hand te bedienen;
Interaction Design 201 Vragen of feedback? @ferrydendopper
Touch Gesture Reference Guide
http://www.lukew.com/ff/entry.asp?1071
Interaction Design 201 Vragen of feedback? @ferrydendopper
Geef tips in de context
Interaction Design 201 Vragen of feedback? @ferrydendopper
Hints
Interaction Design 201 Vragen of feedback? @ferrydendopper
Hints
Interaction Design 201 Vragen of feedback? @ferrydendopper
Native controls = touch friendly
Interaction Design 201 Vragen of feedback? @ferrydendopper
Hé, deze user controls ken ik!
Interaction Design 201 Vragen of feedback? @ferrydendopper
iOS, Android, e.d. bevatten ook gewoon
 Buttons
 Toolbars
 Text Fields
 List Views
 Checkboxes
 e.d.
Saai? Nee: essentieel, want intuïtief!
Interaction Design 201 Vragen of feedback? @ferrydendopper
Touch friendly controls
Interaction Design 201 Vragen of feedback? @ferrydendopper
Be a scroll SKEPTIC
Interaction Design 201 Vragen of feedback? @ferrydendopper
Scrolling vs Tapping
Scrolling is easier than tapping.
Scrolling is a continuation; tapping is a
decision.
http://bokardo.com/archives/scrolling-easier-clicking/
Interaction Design 201 Vragen of feedback? @ferrydendopper
Hoe scrollen?
Interaction Design 201 Vragen of feedback? @ferrydendopper
Niet beschikbaar = niet zichtbaar?
Interaction Design 201 Vragen of feedback? @ferrydendopper
Denk ook aan touch feedback
 Visueel
• Glow, kleur verandert, enz.
 Geluid
 Trilling
• bv. Bij iedere toetsaanslag op het toetsenbord
Interaction Design 201 Vragen of feedback? @ferrydendopper
Lezen
 Reader, hst. 3
Handig:
 Touch Gesture Reference Guide
http://www.lukew.com/ff/entry.asp?1071
Interaction Design 201 Vragen of feedback? @ferrydendopper
Vragen? Feedback?
f.den.dopper@hr.nl
@ferrydendopper

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IAD 5 - les 4 - Design for Touch

  • 1. Interaction Design 201 Vragen of feedback? @ferrydendopper Designing Gestural Interfaces
  • 2. Interaction Design 201 Vragen of feedback? @ferrydendopper The Mouseover is dead
  • 3. Interaction Design 201 Vragen of feedback? @ferrydendopper Ergonomics of Interactive Gestures  Limitations due to anatomy, physiology and mechanics of the human body (kinesiology)  Left-handedness (7-10%)  Fingernails  Screen Coverage
  • 4. Interaction Design 201 Vragen of feedback? @ferrydendopper Fat fingers While it might seem counter-intuitive, the success of small-screen interfaces relies on big elements, chunky buttons, and airy spacing. The screens may be tiny, but our fingers (and often, our attention spans) are not. Design with fat fingers in mind. http://www.creativebloq.com/design/designing-touch-2123037
  • 5. Interaction Design 201 Vragen of feedback? @ferrydendopper Fat fingers If buttons get too big, users start having problems perceiving them as clickable buttons — and sometimes even discerning them as discrete elements. http://www.uxmatters.com/mt/archives/2013/03/common-misconceptions-about-touch.php
  • 6. Interaction Design 201 Vragen of feedback? @ferrydendopper Fat fingers No smaller than 1x1cm in an ideal world In a not so ideal world: Iceberg Tips controls that have larger target than visible Adaptive Targets guessing the next item the user will touch, then increasing the touch target appropriately http://www.dsource.in/course/touch-screen-gestures/touch-targets/index.html
  • 7. Interaction Design 201 Vragen of feedback? @ferrydendopper iPhone grid: 44 pt
  • 8. Interaction Design 201 Vragen of feedback? @ferrydendopper Designing Touch Targets http://www.lukew.com/ff/entry.asp?1085
  • 9. Interaction Design 201 Vragen of feedback? @ferrydendopper Hot zones
  • 10. Interaction Design 201 Vragen of feedback? @ferrydendopper Met één hand (49%)
  • 11. Interaction Design 201 Vragen of feedback? @ferrydendopper Omsluiten met twee handen (36%) 72% 28%
  • 12. Interaction Design 201 Vragen of feedback? @ferrydendopper Met 2 handen bedienen 90% 10%
  • 13. Interaction Design 201 Vragen of feedback? @ferrydendopper Tablet
  • 14. Interaction Design 201 Vragen of feedback? @ferrydendopper Voorkom controls midden-boven Controls should never go immediately above the content they aim to affect. Be careful that your hand doesn’t cover the content.
  • 15. Interaction Design 201 Vragen of feedback? @ferrydendopper Boven of onder? Desktop software conventions put menus at the top of the screen or window, and websites typically position primary navigation at the top of pages. Our limited thumbspan, however, flips that convention around, and navigation and primary tap targets sink to the bottom.
  • 16. Interaction Design 201 Vragen of feedback? @ferrydendopper Boven, onder, links, rechts The screen-bottom bias of the thumb is more important than left vs right. Turns out most of us easily flip between left and right hands when we use our phones. Right-handed users often favour or switch to their left hands (when writing, for example), and lefties likewise often go with their right.
  • 17. Interaction Design 201 Vragen of feedback? @ferrydendopper Linkshandig
  • 18. Interaction Design 201 Vragen of feedback? @ferrydendopper Stacking controls vs fat-finger problem Navigation on Android Navigation on iOS
  • 19. Interaction Design 201 Vragen of feedback? @ferrydendopper Houd de zij-randen vrij van controls Mensen hebben wat meer moeite elementen aan te raken die helemaal tegen de zij-randen aangeplakt zitten.
  • 20. Interaction Design 201 Vragen of feedback? @ferrydendopper Gestures
  • 21. Interaction Design 201 Vragen of feedback? @ferrydendopper Bladeren in een boek
  • 22. Interaction Design 201 Vragen of feedback? @ferrydendopper
  • 23. Interaction Design 201 Vragen of feedback? @ferrydendopper Gestures Sommige gestures zijn onmiddellijk duidelijk (intuïtief) of worden snel ontdekt, zoals:  Tap (indrukken van een knop)  Drag (slepen, scrollen)  Swipe (bladzijde omslaan)  Pinch (in- en uitzoomen)
  • 24. Interaction Design 201 Vragen of feedback? @ferrydendopper Gestures Andere gestures zijn (veel) minder intuïtief of moeilijk te ontdekken:  Single Two-Finger Tap (uitzoomen)  Twist (kompas draaien in Google Maps)  Kantelen naar landscape voor andere weergave
  • 25. Interaction Design 201 Vragen of feedback? @ferrydendopper Gestures  Neem niet aan dat mensen de gestures in je app wel zullen ontdekken, ongeacht hoe simpel, standaard of consistent.  Behandel gestures als shortcuts voor acties die je ook op een andere (vaak langzamere) manier kunt uitvoeren. Zo heb je altijd een backup.
  • 26. Interaction Design 201 Vragen of feedback? @ferrydendopper Wat voor gestures kennen we? • Tap • Double-tap • Touch and Hold • Drag • Swipe • Flick • Pinch • Twist • … • Rotate • Tilt • Shake • Proximity • …
  • 27. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Tap to open/activate
  • 28. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Tap to select
  • 29. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Drag to move object
  • 30. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Slide to scroll
  • 31. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Spin to scroll
  • 32. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens and Interactive Surfaces Pinch to shrink and spread to enlarge
  • 33. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Touchscreens & Free-Form Interactive Gestures Two-finger tap & shake
  • 34. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Free-Form Interactive Gestures Proximity activates/deactivates
  • 35. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Free-Form Interactive Gestures Shake to change
  • 36. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Free-Form Interactive Gestures Rotate to change state
  • 37. Interaction Design 201 Vragen of feedback? @ferrydendopper Patterns for Free-Form Interactive Gestures Tilt
  • 38. Interaction Design 201 Vragen of feedback? @ferrydendopper Voorzichtig: niet te veel schudden  Schudden is een leuke gimmick (vooral voor casual apps), maar iets te verstoort vaak de flow;  Niet low-profile: ziet er wat raar uit voor andere mensen;  Vestigt aandacht op de hardware ipv de taak;  Kan gemakkelijk per ongeluk getriggerd worden (bv. tijdens rennen)
  • 39. Interaction Design 201 Vragen of feedback? @ferrydendopper Voorzichtig met 2-vinger gestures  Zijn lastiger dan 1-vinger gestures;  Nagenoeg onmogelijk om met 1 hand te bedienen;
  • 40. Interaction Design 201 Vragen of feedback? @ferrydendopper Touch Gesture Reference Guide http://www.lukew.com/ff/entry.asp?1071
  • 41. Interaction Design 201 Vragen of feedback? @ferrydendopper Geef tips in de context
  • 42. Interaction Design 201 Vragen of feedback? @ferrydendopper Hints
  • 43. Interaction Design 201 Vragen of feedback? @ferrydendopper Hints
  • 44. Interaction Design 201 Vragen of feedback? @ferrydendopper Native controls = touch friendly
  • 45. Interaction Design 201 Vragen of feedback? @ferrydendopper Hé, deze user controls ken ik!
  • 46. Interaction Design 201 Vragen of feedback? @ferrydendopper iOS, Android, e.d. bevatten ook gewoon  Buttons  Toolbars  Text Fields  List Views  Checkboxes  e.d. Saai? Nee: essentieel, want intuïtief!
  • 47. Interaction Design 201 Vragen of feedback? @ferrydendopper Touch friendly controls
  • 48. Interaction Design 201 Vragen of feedback? @ferrydendopper Be a scroll SKEPTIC
  • 49. Interaction Design 201 Vragen of feedback? @ferrydendopper Scrolling vs Tapping Scrolling is easier than tapping. Scrolling is a continuation; tapping is a decision. http://bokardo.com/archives/scrolling-easier-clicking/
  • 50. Interaction Design 201 Vragen of feedback? @ferrydendopper Hoe scrollen?
  • 51. Interaction Design 201 Vragen of feedback? @ferrydendopper Niet beschikbaar = niet zichtbaar?
  • 52. Interaction Design 201 Vragen of feedback? @ferrydendopper Denk ook aan touch feedback  Visueel • Glow, kleur verandert, enz.  Geluid  Trilling • bv. Bij iedere toetsaanslag op het toetsenbord
  • 53. Interaction Design 201 Vragen of feedback? @ferrydendopper Lezen  Reader, hst. 3 Handig:  Touch Gesture Reference Guide http://www.lukew.com/ff/entry.asp?1071
  • 54. Interaction Design 201 Vragen of feedback? @ferrydendopper Vragen? Feedback? f.den.dopper@hr.nl @ferrydendopper