A comparison of user interfaces for panning on a touch-controlled display
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Manipulating simulated objects with real-world gestures using a force and position sensitive screen
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
GIA: design of a gesture-based interaction photo album
Personal and Ubiquitous Computing
Target size study for one-handed thumb use on small touchscreen devices
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Screen Coverage: A Pen-Interaction Problem for PDA's and Touch Screen Computers
ICWMC '07 Proceedings of the Third International Conference on Wireless and Mobile Communications
TrekWizard: a GIS interface that adds value to a small-screen GPS
Proceedings of the 12th Annual Conference of the New Zealand Chapter of the ACM Special Interest Group on Computer-Human Interaction
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This paper presents the design and prototype implementation of a location-based service aimed for hikers. Maps and navigation in urban areas are already well-researched topics but it can be argued that greater demands are placed on location-based services in non-urban areas -- a field which has not been researched in detail yet. Studying these demands more closely provided us valuable information about location-based services in general as well. The feature set of the prototype was chosen to help users in their typical outdoor needs, such as map handling, basic navigation, and communication. In the design, we took advantage of the capabilities of touch screens, such as direct interaction by finger pointing. To validate our design in actual use context and to get feedback for improving the design, a user trial with 16 hikers was arranged. As a result, we deepened our understanding of the features hikers expect from location-based services and found requirements for devices used to implement them. In addition, we identified several areas of improvement in the user interface of the prototype, which can also be applied to other similar systems.