期刊
PROCEEDINGS OF THE 2017 ACM SIGCHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS (CHI'17)
卷 -, 期 -, 页码 4194-4202出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3025453.3025520
关键词
Text entry; single-handed; tilt; shape writing; gesture keyboard; phablets
资金
- University of St Andrews
- Scottish Informatics and Computer Science Alliance (SICSA)
- EPSRC [EP/N010558/1] Funding Source: UKRI
The popularity of mobile devices with large screens is making single-handed interaction difficult. We propose and evaluate a novel design point around a tilt-based text entry technique which supports single handed usage. Our technique is based on the gesture keyboard (shape writing). However, instead of drawing gestures with a finger or stylus, users articulate a gesture by tilting the device. This can be especially useful when the user's other hand is otherwise encumbered or unavailable. We show that novice users achieve an entry rate of 15 words-per-minute (wpm) after minimal practice. A pilot longitudinal study reveals that a single participant achieved an entry rate of 32 wpm after approximate 90 minutes of practice. Our data indicate that tilt-based gesture keyboard entry enables walk-up use and provides a suitable text entry rate for occasional use and can act as a promising alternative to single-handed typing in certain situations.
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