MovingScreen: Selecting hard-to-reach targets with automatic comfort zone calibration on mobile devices

Hsin Ruey Tsai, Lee Ting Huang, XDa-Yuan Huang, Yi Ping Hung, Chen Hsin Hsieh

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

6 Scopus citations

Abstract

Smartphone screen size becomes larger nowadays. However, it causes users hard to reach a target with the thumb when using the smartphone in one hand. We propose an interaction method MovingScreen to solve the hard-to-reach problem by making the smartphone screen view movable. Users move the screen view to make the target into their comfort zone, an area users comfortably performing touch input with the thumb. They then select a target easily. Using the proposed triggering gesture bezel-scroll, MovingScreen automatically calibrates the comfort zone. Bezel-scroll detects the comfort zone and provides different screen moving ratios for users in different poses to hold the smartphone. Users are even allowed to adjust screen moving speed by altering bezel-scroll length. We evaluate performance of MovingScreen and other methods in a user study. The results show that MovingScreen has similar selection time (1030.58ms) but lower error rate (4.57%) to the other methods.

Original languageEnglish
Title of host publicationProceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct, MobileHCI 2016
PublisherAssociation for Computing Machinery, Inc
Pages651-658
Number of pages8
ISBN (Electronic)9781450344135
DOIs
StatePublished - 6 Sep 2016
Event18th International Conference on Human-Computer Interaction with Mobile Devices and Services, MobileHCI 2016 - Florence, Italy
Duration: 6 Sep 20169 Sep 2016

Publication series

NameProceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct, MobileHCI 2016

Conference

Conference18th International Conference on Human-Computer Interaction with Mobile Devices and Services, MobileHCI 2016
Country/TerritoryItaly
CityFlorence
Period6/09/169/09/16

Keywords

  • Hard-to-reach problem
  • Mobile devices
  • One-handed interaction
  • Thumb-based interaction
  • Touch-screen

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