Maybe you can test if getFocus() is contained within and move focus beforehand
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of florian.salihovic Sent: Wednesday, December 10, 2008 10:38 AM To: [email protected] Subject: [flexcoders] Re: UIMovieClip shows nondeterministic behaviour Hi Alex, yes indeed, the object gets removed but i don't know how to identify which component actually is the source of the problem. What gets removed is a composite of components, each skind with a UIMovieClip. Sometimes, when i want to remove it, the error occours. but it is the sometimes, that bugs me. Best regards, Florian --- In [email protected]<mailto:flexcoders%40yahoogroups.com>, Alex Harui <[EMAIL PROTECTED]> wrote: > > The indication is that the object somehow got removed from the displaylist on > the mouseDown. > > From: [email protected]<mailto:flexcoders%40yahoogroups.com> > [mailto:[email protected]<mailto:flexcoders%40yahoogroups.com>] On > Behalf Of florian.salihovic > Sent: Wednesday, December 10, 2008 4:11 AM > To: [email protected]<mailto:flexcoders%40yahoogroups.com> > Subject: [flexcoders] UIMovieClip shows nondeterministic behaviour > > > I have a pretty big application. The app uses various in Flash created > components. Everything works fine untill some certain point, which varies from test to > test. At some point, my app crashes with a typeerror: > > TypeError: Error #1009: Cannot access a property or method of a null object > reference. > at mx.flash::UIMovieClip/removeFocusEventListeners()[E:\dev\trunk\frameworks\projects\fla sh-integration\src\mx\flash\UIMovieClip.as:2466] > at > mx.flash::UIMovieClip/focusOutHandler()[E:\dev\trunk\frameworks\projects\flash- integration\src\mx\flash\UIMovieClip.as:2509] > at flash.display::Stage/set focus() > at mx.core::UIComponent/setFocus()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\ core\UIComponent.as:6797] > at mx.managers::FocusManager/setFocus()[E:\dev\3.1.0\frameworks\projects\framework\sr c\mx\managers\FocusManager.as:396] > at mx.managers::FocusManager/mouseDownHandler()[E:\dev\3.1.0\frameworks\projects\fra mework\src\mx\managers\FocusManager.as:1388] > > The stacktrace is not that helpfull to me... seems a similar problem like: http://bugs.adobe.com/jira/browse/SDK-13182 > > The error is not reproduceable/hard to reproduce, since it happens randomly > when trying to remove some displayobjects... > > Any infos or help would be appreciated! >
