How Android smartphones can help blind people's mobility
summary
An Android prototype for blind and visually impaired pedestrians combines route planning and pedestrian navigation with a Car2X traffic-light feed to show walk/stop phases on the phone and fetches static and temporary hazards (construction, bike lanes, waiting areas) from a server. The app is built using Android accessibility services and hardware-button support and was iteratively refined with blind testers during field trials in Braunschweig; evaluations found clearer crossing decisions and good usability but identified gaps for unplanned hazards.
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chapters (12)
- 0:00Project intro
- 4:23Mobility challenges
- 8:27Safe navigation tech
- 11:52Android as app base
- 16:17Interactive feedback
- 20:12App accessibility
- 21:55Future mobility vision
- 22:23App testing
- 25:16Tech accessibility
- 27:06Solution implementation
- 30:12User feedback
- 33:17Future research
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