VoiceOver and swipe gestures
VoiceOver and swipe gestures
- Subject: VoiceOver and swipe gestures
- From: Fritz Anderson <email@hidden>
- Date: Mon, 05 Dec 2011 11:26:45 -0600
iOS 5.0 SDK, targeting 4.3 iPad, running on the 4.3 simulator, Xcode 4.2.
My iPad app has a control panel positioned so that (at least in portrait orientation) its buttons fall under the thumb of a right-handed user. The panel and a table take up the lower half of the screen. I've set up a view that encloses them both, which has a gesture recognizer for a sideways swipe. When the user swipes right across the enclosing view, it slides right, hiding the control panel and revealing a flopped version on the left. Swipe-left restores the right-handed configuration.
At least on the simulator, I am having trouble getting the swipe gesture to trigger. It works as expected about 5% of the time, and I haven't caught on to what the trick is.
My assumption is that it's tap once to clear the selection, then tap, tap-hold-and-swipe. About 30% of the time, that gesture not merely selects, but triggers, another control that isn't even close to the gesture. I haven't caught on to what's different about the gesture that does that.
The app is meant to be shared among students in a class, so they have to register, and handedness is kept per-user, so I don't think it's practical to rely on a sighted user to go through a VO-off-configure-VO-on dance for each.
Do I have the gesture wrong, or is there a better way to implement/design it?
AMENDMENT: I have a number of elements that rely on hold-down behavior to work: A push-to-talk button, a slider, etc. I can't get them to respond with VoiceOver on. Evidently I am missing some principle. Help?
— F
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