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From "Erik de Bruin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (FLEX-34390) SkinnableTextBase bug (found in Flex 4.13.0 RC2)
Date Thu, 09 Oct 2014 10:21:34 GMT

     [ https://issues.apache.org/jira/browse/FLEX-34390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Erik de Bruin resolved FLEX-34390.
----------------------------------
       Resolution: Fixed
    Fix Version/s: Apache Flex 4.14.0
         Assignee: Erik de Bruin

Added null check on skin.currentState. Commit 89d9d74b9b6270edd208af60ec9095a9b763ebd6.

> SkinnableTextBase bug (found in Flex 4.13.0 RC2)
> ------------------------------------------------
>
>                 Key: FLEX-34390
>                 URL: https://issues.apache.org/jira/browse/FLEX-34390
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: TextArea, Spark: TextInput
>    Affects Versions: Apache Flex 4.13.0
>         Environment: Tested on AIR 14 Simulator for iPad/iPhone
>            Reporter: DarkStone
>            Assignee: Erik de Bruin
>            Priority: Minor
>              Labels: easytest
>             Fix For: Apache Flex 4.14.0
>
>         Attachments: SkinnableTextBase bug (found in Flex 4.13.0 RC2).png
>
>
> [Short story]
> There is a bug in SkinnableTextBase, inside the function body of "private function textDisplay_changeHandler(event:Event):void",
the skin.currentState is null when running on mobile, I don't know how to fix it, but at least
I know we should add a null check to the skin.currentState.
> Please see the screenshot I attached:
> https://issues.apache.org/jira/secure/attachment/12653403/SkinnableTextBase%20bug%20%28found%20in%20Flex%204.13.0%20RC2%29.png
> [Steps to reproduce the bug]
> 1. Create a subclass of SkinnableComponent, name the subclass SimpleTest.
> 2. Define a SkinPart of SimpleTest:
> [SkinPart(required="true")]
> public var queryInput:TextInput;
> 3. override partAdded function for SimpleTest:
> override protected function partAdded(partName:String, instance:Object):void
> {
>     if ( instance == queryInput ) {
>         queryInput.text = "Hello World";
>     }
> }
> 4. Create the SimpleTestSkin.mxml for SimpleTest, use the <s:TextInput id="queryInput"/>
to bind the SkinPart, use the TextInput's default skin.
> 5. Bind the SimpleTestSkin.mxml to SimpleTest using CSS.
> s|SkinnableComponent.simpleTest
> {
>     skinClass: ClassReference("skin.SimpleTestSkin");
> }
> 6. Put <ns:SimpleTest styleName="simpleTest"/> inside <s:Application>
> 7. Run the application on Web or Desktop, no problems.
> 8. Run the application on AIR Simulator for mobile or run it on real mobile devices,
will encounter the following errors:
> TypeError: Error #1009: Cannot access a property or method of a null object reference.
> 	at spark.components.supportClasses::SkinnableTextBase/textDisplay_changeHandler()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableTextBase.as:2703]
> 	at flash.events::EventDispatcher/dispatchEventFunction()
> 	at flash.events::EventDispatcher/dispatchEvent()
> 	at mx.core::UIComponent/dispatchEvent()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:13682]
> 	at spark.components.supportClasses::ScrollableStageText/set text()[/Users/aharui/release4.13.0/frameworks/projects/mobilecomponents/src/spark/components/supportClasses/ScrollableStageText.as:1016]
> 	at spark.components.supportClasses::SkinnableTextBase/set text()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableTextBase.as:1410]
> 	at spark.components::TextInput/set text()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/TextInput.as:288]
> 	at global/SYSTEM.LIB.display.updaters::updateTextComponentByCharacterAndOS()[D:\VLP\FLEX\NewsCenterDesktop\src\SYSTEM\LIB\display\updaters\updateTextComponentByCharacterAndOS.as:41]
> 	at SYSTEM.COM.panes::FeedBasicEditorPane/partAdded()[D:\VLP\FLEX\NewsCenterDesktop\src\SYSTEM\COM\panes\FeedBasicEditorPane.as:119]
> 	at SYSTEM.COM.panes::FeedEssentialEditorPane/partAdded()[D:\VLP\FLEX\NewsCenterDesktop\src\SYSTEM\COM\panes\FeedEssentialEditorPane.as:112]
> 	at SYSTEM.COM.panes::SiteEditorPane/partAdded()[D:\VLP\FLEX\NewsCenterDesktop\src\SYSTEM\COM\panes\SiteEditorPane.as:65]
> 	at spark.components.supportClasses::SkinnableComponent/findSkinParts()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:751]
> 	at spark.components.supportClasses::SkinnableComponent/attachSkin()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:716]
> 	at spark.components.supportClasses::SkinnableComponent/validateSkinChange()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:457]
> 	at spark.components.supportClasses::SkinnableComponent/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:416]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1707]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1707]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1707]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at SYSTEM.SKIN.panes::SubscriptionEditorPaneSkin/initialize()
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChild()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7237]
> 	at spark.components.supportClasses::SkinnableComponent/attachSkin()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:707]
> 	at spark.components.supportClasses::SkinnableComponent/validateSkinChange()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:457]
> 	at spark.components.supportClasses::SkinnableComponent/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:416]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1703]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1707]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]
> 	at mx.core::UIComponent/initialize()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7695]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7556]
> 	at mx.core::UIComponent/addChildAt()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:7260]
> 	at spark.components::Group/addDisplayObjectToDisplayList()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:2116]
> 	at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:1707]
> 	at spark.components::Group/setMXMLContent()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:653]
> 	at spark.components::Group/createChildren()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/Group.as:906]



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