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https://issues.apache.org/jira/browse/FLEX-33169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439369#comment-13439369
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Al Birdy commented on FLEX-33169:
---------------------------------
Tested it on the iPad2 and scrolling is not the issue, the
List.touchInteractionStartHandler() is not getting called in case of a
non-commited selection.
It is called in case you select an item and scroll, in that case the selection
is reversed to the previously selected item, just the way it should be, so
nothing wrong there.
Also, I have to revise my initial statement about the affected environments,
Android does not seem to be affected. I just tested it on a Motorola XOOM and
couldn't replicate the issue.
Seems like an iOS specific bug.
> Spark List selection on mobile doesn't work properly
> ----------------------------------------------------
>
> Key: FLEX-33169
> URL: https://issues.apache.org/jira/browse/FLEX-33169
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: List
> Affects Versions: Adobe Flex SDK 4.5.1 (Release), Adobe Flex SDK 4.6
> (Release)
> Environment: iOS 5.x, Android 3.2/4.0, Air 3.0 - 3.3
> Reporter: Al Birdy
>
> The touch selection of list items on the actual device does not work properly.
> Sometimes, even though the touch has definitely been recognized by the
> device, the list selection change isn't committed, instead the previously
> selected item remains selected.
> To reproduce the issue, please set up a new Flex mobile project and add the
> most basic list with inline renderer to a view:
> <s:List id="myList" width="100%" height="100%">
> <s:dataProvider>
> <s:ArrayCollection>
> <fx:Object label="Item1" />
> .....
> <fx:Object label="Item30" />
> </s:ArrayCollection>
> </s:dataProvider>
> </s:List>
> Deploy the app to an actual device (this bug does NOT appear in the
> emulator!) and randomly try to select items, scroll the list, select again
> and so on. You'll notice that the down color is sometimes set, but the
> selection isn't changed.
> For a more detailed description of this bug please see
> http://stackoverflow.com/questions/11740074/selection-on-spark-mobile-list-only-works-3-out-of-4-times
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