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From "Jan F. Weber (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (FLEX-34749) DateSpinner and SpinnerList scrolling behavior inaccurate/broken
Date Mon, 16 Feb 2015 14:27:12 GMT

    [ https://issues.apache.org/jira/browse/FLEX-34749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322750#comment-14322750
] 

Jan F. Weber edited comment on FLEX-34749 at 2/16/15 2:27 PM:
--------------------------------------------------------------

Hi Om,

thanks for your quick feedback! I extended the above mentioned example and added two new SpinnerLists
with iOS7 and Android4 skins; however, the behavior is still the same. It is very inaccurate
and unusable.
However I need to mention that the issue occurs on a Windows PC with a Touch Screen (Mouse
input on these components does also have the same faulty behavior).
Maybe this has to do with the application dpi (of 72) on windows which may cause inproperly
calculated throw velocity values? 


was (Author: janfw):
Hi Om,

thanks for your quick feedback! I extended the above mentioned example and added two new SpinnerLists
with iOS7 and Android4 skins; however, the behavior is still the same. It is very inaccurate
and unusable.
-HOWEVER- I need to mention that the issue occurs on a Windows PC with a Touch Screen (Mouse
input on these components does also have the same faulty behavior).
Maybe this has to do with the application dpi (of 72) on windows which may cause inproperly
calculated throw velocity values? 

> DateSpinner and SpinnerList scrolling behavior inaccurate/broken
> ----------------------------------------------------------------
>
>                 Key: FLEX-34749
>                 URL: https://issues.apache.org/jira/browse/FLEX-34749
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Mobile: DateSpinner, Mobile: SpinnerList
>    Affects Versions: Apache Flex 4.13.0, Apache Flex 4.12.1, Apache Flex 4.14.0
>         Environment: Windows 7 64Bit, Flex 4.14.0, AIR 16
>            Reporter: Jan F. Weber
>            Priority: Critical
>              Labels: DateSpinner, SpinnerList
>
> The scrolling behavior of the DateSpinner and SpinnerList is very inaccurate/broken and
does not correctly snap to the nearest list entry after the user has finished scrolling. This
happens in most of the use cases. In fact, the lists spin up or down approximately between
3 to 10 entries, depending on the scroll direction.
> This seems to be an issue with the position of the entry under the selection indicator.
Only if you scroll an entry in a way that it is placed at the very middle of the indicator
and does not overlap the spinner does not automatically spin several items up or down. 
> You can use this example to see the inaccuracy/spinning afterwards after releasing in
action:
> http://devgirl.org/2011/11/17/flex-mobile-development-datespinner-sample-with-source/



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