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User Interfaces for Pervasive Computing Devices

http://guir.berkeley.edu. User Interfaces for Pervasive Computing Devices. Prof. James A. Landay January 7, 1999. UI Challenges. Pervasive computing devices will not have the same UI as “dad’s PC” there will be a range of devices often with small screens & alternative input

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User Interfaces for Pervasive Computing Devices

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  1. http://guir.berkeley.edu User Interfaces for Pervasive Computing Devices Prof. James A. Landay January 7, 1999

  2. UI Challenges • Pervasive computing devices will not have the same UI as “dad’s PC” • there will be a range of devices • often with small screens & alternative input • pens, speech, gesture, etc. • many special purpose to particular applications • appliances • devices usually require other infrastructure • How to explore this further? • let 50 undergraduates at the problem!

  3. Outline • HCI course & project description • Resulting undergraduate projects • Collaborative note-taking with NotePals • Directions for the future

  4. CS 160: User Interface Design, Prototyping, & Evaluation

  5. Task Design Technology Humans What is HCI? Organizational & Social Issues

  6. Goal of our HCI course (CS 160) • Learn to design, prototype, & evaluate UIs • tasks of prospective users • cognitive/perceptual constraints affecting design • techniques for evaluating UI designs • importance of iterative design for usability • technology used to prototype & implement UIs • how to work together as a team • communicating results to a group

  7. Project Structure • Iterative design of a real UI • Students propose & choose projects • 4-5 person teams • Semester long project worth 45% of grade • Four presentations • one 7-12 minute presentation / team member

  8. Scenario for last Fall • Soda Hall of the Future • everyone has PDAs • students, faculty, staff • assume IBM WorkPads • ubiquitous cradles or wireless networking • All projects involved this scenario • ubiquitous networking not used by all designs • IBM graciously donated WorkPads • The top 3 teams got to keep their WorkPads

  9. Ink Chat Pocket Change PocketProf Rendezvous VMOD: Video & Music On Demand NotePals II Nutrition/Exercise Tracker Shopping Companion Video E-Mail Workstation Scheduler Fall Semester’s Projects

  10. Sketching & Storyboarding

  11. Sketching & Storyboarding

  12. Low-fi Prototyping

  13. Low-fi Prototyping

  14. Low-fi Prototyping

  15. Heuristic Evaluation & User Testing

  16. Heuristic Evaluation & User Testing

  17. Heuristic Evaluation & User Testing

  18. NotePals: Collaborative Note Taking on Pervasive Devices

  19. 1 2 How NotePals Works Take free-form ink notes on WorkPads* Meet in any environment *WorkPads/Pilots are becoming ubiquitous

  20. 4 3 How NotePals Works (cont.) Dock WorkPads with PCs & press “HotSync” Browse notes on the Web

  21. Conference Notes

  22. NotePals for Classroom Note Taking • Students always want slides in advance • often not practical or advisable • NotePals solution • synchronize notes w/ presentation (slides or A/v) • students can browse their own notes w/ slides • students can share notes & cooperate • Expected success since NotePals has been successfully used by our group for 1 year • over 3000 pages of notes in our repository

  23. Student Note Taking

  24. Results of this Experiment • At start of semester 89% of students said they took notes in class (72% share) • After 4 weeks of this course, only 48% reported taking notes • all said because slides are online & complete • Only 17% with NotePals, others reported • application too slow • screen too small • UI hard to learn • paper more natural

  25. Solutions to this Problem • Adopt NotePals II or TeamNotes UI • both eliminate gesture for moving cursor

  26. Solutions & Future Directions • NotePals II or TeamNotes UI • both eliminate gesture for moving cursor • Create a better slide/note browser • CrossPad client • more natural for note taking • lots of success since prototype came up in Nov. • has resulted in many more notes in the repository • would like to obtain pads for an entire class • Re-run the experiment in a class that is less dependent on detailed lecture slides

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