Semi-Automatic Generation of Device-Adapted User Interfaces Stina Nylander Swedish Institute of Computer Science

SWEDISH INSTITUTE OF COMPUTER SCIENCE Introduction Devices are different Various services and situations call for different devices Services need to present different user interfaces How to create tailored user interfaces without multiplying development work?

SWEDISH INSTITUTE OF COMPUTER SCIENCE System Requirements Abstractions that designers can use to create a device independent design Means to exploit the different capabilities of devices Means to control the presentation of the user interface

SWEDISH INSTITUTE OF COMPUTER SCIENCE What has been done

SWEDISH INSTITUTE OF COMPUTER SCIENCE The Ubiquitous Interactor Service Interaction Engine User Interface Interaction Acts Customization Form

SWEDISH INSTITUTE OF COMPUTER SCIENCE Service Interaction Engine User Interface Interaction Acts Customization Form Interaction Acts Input, output, select, modify, create, destroy, start, and stop Contain no presentation information Device independent XML encoded a23 logo persistent false SICS AB

SWEDISH INSTITUTE OF COMPUTER SCIENCE Service Interaction Engine User Interface Interaction Acts Customization Form Customization Forms Contains optional service and device specific presentation information Can be developed separately from services New customization forms do not generate changes in the service logic

SWEDISH INSTITUTE OF COMPUTER SCIENCE Service Interaction Engine User Interface Interaction Acts Customization Form Interaction Engines Interpret interaction acts and customization forms Generate user interfaces Device specific

SWEDISH INSTITUTE OF COMPUTER SCIENCE Three levels device specific service specific device specific service independent device independent Service interaction acts Interaction engine Customization form User interface

SWEDISH INSTITUTE OF COMPUTER SCIENCE Calendar Service s1 select1 persistent false 1 Operations a1 alt1 Back back.

SWEDISH INSTITUTE OF COMPUTER SCIENCE Stock Broker Service tb1 activity persistent false 3

SWEDISH INSTITUTE OF COMPUTER SCIENCE Stock Broker forts.

SWEDISH INSTITUTE OF COMPUTER SCIENCE What I want to do

SWEDISH INSTITUTE OF COMPUTER SCIENCE End-User Studies How do users percieve the concept of services with multiple user interfaces How do users handle device adapted user interfaces

SWEDISH INSTITUTE OF COMPUTER SCIENCE Pilot study of multiple user interfaces Paper prototyping worked fine, but better instructions are needed Context and scenarios would help Users need help to think of different GUIs

SWEDISH INSTITUTE OF COMPUTER SCIENCE Device adapted UIs Comparison with no adaptation (web pages, remote desktop) and separate design Possible parameters –Understanding –Preferences –Performance

SWEDISH INSTITUTE OF COMPUTER SCIENCE Summary I have technology for developing services with multiple user interfaces Now I want to take it to end-users –Concept –User interfaces

SWEDISH INSTITUTE OF COMPUTER SCIENCE Contact Information Stina Nylander