[FLEX-22383] RTE when setting the focus on a component on a currentStateChange event and the component is not visible

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Later
• Affects Version/s: Adobe Flex SDK Previous
• Component/s: Focus Manager
• Environment: Affected OS(s): Windows; Affected OS(s): Windows XP; Browser: Firefox 3.x; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 09/Dec/09 23:18
• Updated: 15/Apr/11 14:55
• Resolved: 14/Dec/09 14:26

Description

Steps to reproduce:
1. Create the following application :
<?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"
currentStateChange="textI.setFocus()">
<s:states>
<s:State name="state1"/>
<s:State name="state2"/>
</s:states>
<mx:Form visible="false">
<mx:FormItem label="Text">
<s:TextInput id="textI"/>
</mx:FormItem>
</mx:Form>
</s:Application>
2. Run

Actual Results:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.managers::FocusManager/childHideHandler()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\FocusManager.as:1733]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:12153]
at mx.core::UIComponent/setVisible()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:2973]
at mx.core::UIComponent/set visible()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:2932]
at spark.skins.spark::HighlightBitmapCaptureSkin/updateDisplayList()[E:\dev\trunk\frameworks\projects\spark\src\spark\skins\spark\HighlightBitmapCaptureSkin.as:165]
at spark.skins.spark::FocusSkin/updateDisplayList()[E:\dev\trunk\frameworks\projects\spark\src\spark\skins\spark\FocusSkin.as:115]
at mx.core::UIComponent/validateDisplayList()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:8447]
at mx.managers::LayoutManager/validateDisplayList()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\LayoutManager.as:663]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\LayoutManager.as:718]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1069]

Expected Results:
Should not throw a RTE.

Workaround (if any):