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Justin Mclean commented on FLEX-33165: -------------------------------------- Unable to reproduce with 4.6 SDK. Sample application below I tried to reproduce issue with. There is some odd code in Scroller (and comment saying it need a clean up) so a null check may be required but need to reproduce in order to fix. <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Declarations> <s:ArrayList id="listdata"> <fx:String>one</fx:String> <fx:String>two</fx:String> <fx:String>three</fx:String> <fx:String>four</fx:String> <fx:String>five</fx:String> <fx:String>six</fx:String> <fx:String>seven</fx:String> <fx:String>eight</fx:String> <fx:String>nine</fx:String> <fx:String>ten</fx:String> <fx:String>eleven</fx:String> <fx:String>twelve</fx:String> </s:ArrayList> </fx:Declarations> <s:List dataProvider="{listdata}" width="100%" height="100%" verticalScrollPolicy="off"> <s:layout> <s:HorizontalLayout /> </s:layout> </s:List> </s:Application> > RTE on Scroller when rotating device in mobile simulator > -------------------------------------------------------- > > Key: FLEX-33165 > URL: https://issues.apache.org/jira/browse/FLEX-33165 > Project: Apache Flex > Issue Type: Bug > Components: Spark: Scroller > Affects Versions: Adobe Flex SDK 4.6 (Release) > Reporter: Maurice Amsellem > Priority: Minor > Labels: EasyFix > > When rotating the mobile simulator (Menu Device>Rotate left or right), I get > the following error: > {code} > Error #1056: Cannot create property null on spark.components.DataGroup. > at > spark.components::Scroller/http://www.adobe.com/2006/flex/mx/internal::snapElement()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1571] > at > spark.components::Scroller/checkScrollPosition()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1750] > at > spark.components::Scroller/handleSizeChange()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1766] > at > spark.components::Scroller/handleSizeChangeOnUpdateComplete()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:2048] > {code} > In Scroller:1571 viewport[scrollProperty] = snapScrollPosition; > scrollProperty is null, which trigger the RTE. > Scroller belongs to a spark:List with HorizontalLayout and > verticalScrollPolicy style is set to ScrollPolicy.OFF. > also, the RTE does not seem to occur on the real device, but maybe it is just > swallowed... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira