[FLEX-19068] Changing size of an itemRenderer between states causes RTE in TileLayout

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Adobe Flex SDK Previous
• Fix Version/s: Adobe Flex SDK Previous
• Component/s: Spark: TileLayout
• Environment: Affected OS(s): All OS Platforms; Affected OS(s): All OS Platforms; Browser: Firefox 3.x; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 04/May/09 13:52
• Updated: 15/Apr/11 15:09
• Resolved: 04/May/09 17:23

Description

Steps to reproduce:
1. Run attached SWF file
2. Click "dataprovider = large items"
3. Mousover the first item
4. Mouseout of the first item

Actual Results:

RTE:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.states::SetProperty/remove()[E:\dev\trunk\frameworks\projects\framework\src\mx\states\SetProperty.as:345]
at mx.core::UIComponent/removeState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:9134]
at mx.core::UIComponent/commitCurrentState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:8923]
at mx.core::UIComponent/setCurrentState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:8834]
at mx.core::UIComponent/set currentState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:5388]
at spark.components.supportClasses::ItemRenderer/itemRenderer_rollOutHandler()[E:\dev\trunk\frameworks\projects\flex4\src\spark\components\supportClasses\ItemRenderer.as:468]

Expected Results:

No RTE, the item renderer should change size and the other items should be laid out again if applicable.

Workaround (if any):