Re: Presenting a modal view on iOS, and accessibility
Re: Presenting a modal view on iOS, and accessibility
- Subject: Re: Presenting a modal view on iOS, and accessibility
- From: Jonathan del Strother <email@hidden>
- Date: Wed, 11 May 2011 22:56:31 +0100
Yeah, I did test it. I'll have to give it more thorough try tomorrow,
but it definitely seemed that I could swipe-to-navigate to the
'hidden' items.
On 11 May 2011 19:32, Chris Fleizach <email@hidden> wrote:
>
> I don't know if you tested or not, but the fact that there's a view that obscures the whole screen and isAccessibilityElement should prevent the other items from being in the navigable list.
>
> On May 11, 2011, at 11:15 AM, Jonathan del Strother wrote:
>
>> Good suggestion, but as far as I can tell, making the dimming view
>> isAccessibilityElement=YES only means that you are prevented from
>> tapping on other items on the screen. You can still access them by
>> swiping left & right, and you have to scroll through all of them
>> before reaching my popup view.
>>
>> Maybe I should just temporarily remove the other items from the screen
>> when VoiceOver is enabled and the popup view is active...
>>
>>
>> On 11 May 2011 16:33, Chris Fleizach <email@hidden> wrote:
>>>
>>> The best way to solve this problem would be through the addition of new API.
>>>
>>> In the meantime, I'd suggest trying to make a dimming view that encompasses the whole screen bounds and make that isAccessibilityElement = YES
>>>
>>> It's accessibilityLabel might be something like "Dismiss alert" (or if you don't support that behavior, something appropriate)
>>>
>>> Add that as a subview of the window.
>>>
>>> Then add the "alert" portion as a subview of the UIWindow (but after the dimming view).
>>>
>>> When it appears post a ScreenChangeNotification.
>>>
>>> I think that should cause the other views to be blocked out
>>>
>>> On May 11, 2011, at 3:28 AM, Jonathan del Strother wrote:
>>>
>>>> Hi,
>>>> My app presents a custom modal view as a popup menu with a list of
>>>> actions. While this popup is visible, the rest of the screen is
>>>> dimmed. It's somewhat similar to UIAlertView, with the addition of
>>>> being able to tap outside of the popup to dismiss it and returns the
>>>> screen to normal.
>>>>
>>>> I'm struggling to make this accessible. By default, swiping right to
>>>> jump to the next item on the page is scrolling through every single
>>>> accessible element on the screen (a long table view) before reaching
>>>> the popup menu buttons. When the user activates the popup menu, it
>>>> would be great if I could make the voiceover focus jump to the first
>>>> button in the menu, but it seems like that isn't possible. I've also
>>>> tried temporarily marking everything else on the screen as
>>>> isAccessibilityElement=NO, to prevent it gaining voiceover focus, but
>>>> it seems like certain elements (UITableView rows and
>>>> UINavigationController bar buttons) are always capable of getting
>>>> focussed.
>>>>
>>>> Any suggestions? Ideally, I'd like to take a view and all it's
>>>> subviews, and temporarily remove them from the list of elements
>>>> available to VoiceOver. However, just being able to jump VoiceOver
>>>> focus to a specific element would be a suitable fallback.
>>>>
>>>> -Jonathan
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>
>
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