Hacker News new | ask | show | jobs
by conradev 3518 days ago
The iPhone includes a VoiceOver[1] feature called Screen Curtain which keeps the digitizer on, but turns off the screen. This helps blind users save a lot of battery and has helped me, as a developer, experience using my app as if I was blind.

[1] http://www.apple.com/accessibility/iphone/vision/