又一個(gè)flex bug汗了半天
?Actual?Results:
TypeError:?Error?#1034:?Type?Coercion?failed:?cannot?convert?mx.managers::HistoryManagerImpl@2403de71?to?mx.managers.IHistoryManager.
at?mx.managers::HistoryManager$/get?impl()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\HistoryManager.as:96]
at?mx.managers::HistoryManager$/unregister()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\HistoryManager.as:144]
at?mx.containers::ViewStack/commitProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\containers\ViewStack.as:651]
at?mx.containers::TabNavigator/commitProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\containers\TabNavigator.as:504]
at?mx.core::UIComponent/validateProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:5670]
at?mx.managers::LayoutManager/validateProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:519]
at?mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:639]
at?Function/http://adobe.com/AS3/2006/builtin::apply()
at?mx.core::UIComponent/callLaterDispatcher2()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8460]
at?mx.core::UIComponent/callLaterDispatcher()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8403]
??
Adding?the?following?code?to?your?main?app?may?resolve?the?problem.?It?did?for?me:
import?mx.managers.HistoryManager;
private?var?hist:HistoryManager;
See:
https://bugs.adobe.com/jira/browse/SDK-13121
http://bugs.adobe.com/jira/browse/SDK-12218
I'm?not?sure?that?I?agree?that?it's?"Not?a?Bug"?(see?Resolution?of?SDK-12218).?I?would?hardly?classify?the?code?given?by?Rodrigo?as?unusual?or?buggy.?If?the?default?behaviour?of?modules?is?to?share?managers?with?the?main?app?(if?I?understand?the?problem?correctly),?then?they?should?be?able?to?clean?up?after?themselves?during?the?unload?process?gracefully.