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https://issues.apache.org/jira/browse/FLEX-29002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shigeru Nakagaki updated FLEX-29002:
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Attachment: ScreenReaderOnAccessibleOffTest.zip
1. Turn on the Microsoft Narrator from control panel on Windows 7
2. Execute the attached ScreenReaderOnAccessibleOffTest.mxml
3. click show PopUp button
4. click show alert button
5. click OK button
then, you will get a following exception
TypeError: Error #1009: Cannot access a property or method of a null object
reference.
at
mx.managers::PopUpManagerImpl/handleAccessibilityForNestedPopups()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:1541]
at
mx.managers::PopUpManagerImpl/removeModalPopUpAccessibility()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:1482]
at
mx.managers::PopUpManagerImpl/popupRemovedHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:1230]
at flash.display::DisplayObjectContainer/removeChild()
at
mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::rawChildren_removeChild()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/SystemManager.as:2152]
at
mx.managers::SystemManager/removeChild()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/SystemManager.as:1795]
at
mx.managers::PopUpManagerImpl/removePopUp()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:641]
at
mx.managers::PopUpManager$/removePopUp()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/managers/PopUpManager.as:238]
at
mx.controls.alertClasses::AlertForm/removeAlert()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/mx/src/mx/controls/alertClasses/AlertForm.as:532]
at
mx.controls.alertClasses::AlertForm/clickHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/mx/src/mx/controls/alertClasses/AlertForm.as:571]
On Windows 8 note PC, The Capabilities.hasAccessibility && Accessibility.active
are both true even if Microsoft Narrator is OFF. I do not know why.
The AIR runtime is 3.5.0.1060 on my test environment.
thanks
> RunTime Error #1009 at
> mx.managers::PopUpManagerImpl/addModalPopUpAccessibility() when displaying
> more than one modal popup via PopUpManager on top of each other. On Windows 7
> running on some PCs
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLEX-29002
> URL: https://issues.apache.org/jira/browse/FLEX-29002
> Project: Apache Flex
> Issue Type: Bug
> Components: PopUp Manager
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): Windows
> Affected OS(s): Windows 7
> Language Found: English
> Reporter: Adobe JIRA
> Fix For: Adobe Flex SDK Next, Apache Flex 4.10.0
>
> Attachments: ScreenReaderOnAccessibleOffTest.zip
>
>
> Steps to reproduce:
> 1. in the AIR application, create modal popup via popupmanager -> ok.
> 2. on the popup, create another modal popup via popupmanager (so we have two
> modal popups one on top of the other) -> RT error #1009.
> 3. close top popup, due to RT error #1009 modal shade stays on stage and
> keeps blocking the application.
>
> Actual Results:
> Popupmanager closes modal titlewindow, but the modal shade stays on display
> due to RunTime error #1009 and so application becomes non-operable.
>
> Expected Results:
> Popupmanager should close the modal titlewindow along with the modal shade
> as it does if only one modal popup was invoked.
>
> Workaround (if any):
> On Windows7 Control Panel, disable some stuff in control panel (Attachments)
> and reboot OS. Trully, this works.
>
> Note:
> This happens only on Windows 7 OS running on some All-In-One PCs (eg.: MSI
> AE2050). Bug is connected with the accessibility OS provides, so we can fix
> the issue by configuring some OS parameters.
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