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https://issues.apache.org/jira/browse/FLEX-33978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13857075#comment-13857075
]
Justin Mclean commented on FLEX-33978:
--------------------------------------
Contrived example that gives RTE:
<?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"
applicationDPI="160" initialize="init(event)">
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;
import
spark.components.supportClasses.StyleableTextField;
protected function init(event:FlexEvent):void
{
ta.textDisplay = new StyleableTextField();
ta.setFocus();
}
]]>
</fx:Script>
<s:TextArea id="ta" />
</s:Application>
> AIR mobile + flex sdk 4.10 + text field setFocus runtime error
> --------------------------------------------------------------
>
> Key: FLEX-33978
> URL: https://issues.apache.org/jira/browse/FLEX-33978
> Project: Apache Flex
> Issue Type: Bug
> Affects Versions: Apache Flex 4.10.0
> Reporter: Deyan Vitanov
> Assignee: Justin Mclean
> Labels: easyfix, easytest
>
> Inside setFocus method, this check throws Null pointer exception:
> if (stage.focus != this)
> because stage is null.
> Here is the full stack trace:
> TypeError: Error #1009: Cannot access a property or method of a null object
> reference.
> at
> spark.components.supportClasses::StyleableTextField/setFocus()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/mobilecomponents/src/spark/components/supportClasses/StyleableTextField.as:1016]
> at Function/http://adobe.com/AS3/2006/builtin::apply()
> at
> mx.core::UIComponent/callLaterDispatcher2()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:12494]
> at
> mx.core::UIComponent/callLaterDispatcher()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/core/UIComponent.as:12432]
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