The key to touch-enabling very small devices is to use touch on the device backside. In order to study this, we have created the 2.4” prototype device shown below; we simulate screens smaller than that by masking the screen. In a user study, participants completed a pointing task successfully across all (2.4″ to 0.3″) display sizes when using a back-of device interface. The touchscreen-based control condition (enhanced with the shift technique), in contrast, failed for screen diagonals below 1 inch. A second study provides design guidelines for practitioners who want to design for back-of-device interaction (details: paper draft).
By Deepak Gupta Posted on
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About the Author:
Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he's engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.
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