Design and Evaluation of Semi-Transparent Keyboards on a Touchscreen Tablet

Sunjun Kim, Geehyuk Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

As tablet computers are hosting more productivity applications, efficient text entry is becoming more important. A soft keyboard, which is the primary text entry interface for tablets, however, often competes with applications for the limited screen space. A promising solution to this problem may be a semi-transparent soft keyboard (STK), which can share the screen with an application. A few commercial STK products are already available, but research questions about the STK design have not been explored in depth yet. Therefore, we conducted three experiments to answer 1) the effect of the transparency level on usability, 2) exploration of diverse design options for an STK, and 3) the effect of an STK on the different text caret positions. The results imply that STKs with 50% opacity showed a balanced performance; well-designed STKs were acceptable in both content reading and typing situations; which could reach 90-100% of an opaque keyboard in terms of overall performance; and the text caret could intrude the STK down to the number row.
Original languageEnglish
Title of host publicationProceedings of the 2018 ACM International Conference on Interactive Surfaces and Spaces
Place of PublicationNew York, NY
PublisherACM
Pages155-166
Number of pages12
ISBN (Electronic)978-1-4503-5694-7
DOIs
Publication statusPublished - 25 Nov 2018
MoE publication typeA4 Article in a conference publication
EventACM International Conference on Interactive Surfaces and Spaces - Nomura Conference Plaza Nihonbashi, Tokyo, Japan
Duration: 25 Nov 201828 Nov 2018
http://iss.acm.org/2018/

Conference

ConferenceACM International Conference on Interactive Surfaces and Spaces
Abbreviated titleACM ISS
CountryJapan
CityTokyo
Period25/11/201828/11/2018
Internet address

Keywords

  • Semi-transparent
  • soft keyboard
  • virtual keyboard
  • text entry
  • transparency
  • translucient
  • touchscreen
  • tablet
  • mobile

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