Re: VoiceOver and swipe gestures
Re: VoiceOver and swipe gestures
- Subject: Re: VoiceOver and swipe gestures
- From: Fritz Anderson <email@hidden>
- Date: Tue, 06 Dec 2011 11:28:26 -0600
On 6 Dec 2011, at 11:11 AM, Chris Fleizach wrote:
>> Issue: If the gesture is the first thing after the application comes to the foreground (at launch or from the background), accessibilityScroll: is never called, and the iPad emits a bongo tone. Selecting a subview restores the three-finger-swipe gesture.
>>
>
> Not clear what "If the gesture is the first thing after the app" means. Do you mean that if the user does a 3 finger swipe as soon as the app launches it doesn't work?
>
> That sounds like it's behaving correctly. The user has to choose which view to perform the scroll on. If they're not within the scrollable area, then they won't be able to scroll.
Okay, I see your point. Part of the trick to this API is to take selection focus really, really seriously.
>> In other news, I hadn't noticed UIAccessibilityTraitAdjustable, which may have me rethinking my slider control and implementing accessibilityIncrement and -Decrement. I wish those methods had examples, or more than ten words of documentation. (Note to self: File a bug.)
>>
>
> There's not much else to that API. Just implement those to methods, then a VO user do a swipe up or down to "adjust" the item. It's up to you to decide what to do when the VO user does that
H'm. Given that continuous adjustment is the whole point of the control, I'm not sure what I'd do with an increment. Maybe shift by 5 seconds (the span of the control varies between 50 and 500+ seconds). Maybe by 5%. After usability testing.
Thanks for the conceptual blockbusting.
— F
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