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https://issues.apache.org/jira/browse/FLEX-33371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13565968#comment-13565968
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Erik Thomas commented on FLEX-33371:
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Hi OmPrakash:
This is almost a perfect workaround. Unfortunately, listening for the
NativeApplication.DEACTIVATE event to unload is not reliable. It seems to fire
randomly and not related to orientation changes. I've only tried a couple
times, but as I work through my app workflows, everything is working great on
Android now, just like iOS, but something is triggering the DEACTIVATE event
during a workflow and the app is unloading because I'm calling exit().
So I'm not out of the woods yet, but this is a huge improvement.
Erik
Erik J. Thomas
CEO | Principal Developer
E. J. Thomas & Associates, LLC
266 Peakview Rd, Boulder, CO 80302
303-440-8384 (office) | 303-304-1466 (mobile)
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> On Android, changing orientation fires Event.DEACTIVATE and
> FlexEvent.VIEW_DEACTIVATE events
> --------------------------------------------------------------------------------------------
>
> Key: FLEX-33371
> URL: https://issues.apache.org/jira/browse/FLEX-33371
> Project: Apache Flex
> Issue Type: Bug
> Components: Mobile: MobileApplication
> Affects Versions: Adobe Flex SDK 4.6 (Release)
> Environment: Samsung Galaxy Express and Galaxy S III Android Phones,
> FlashBuilder 4.7 Premium on Windows 7, debugging through USB as well as
> deployed release builds, iPhone and iPad, but the problem doesn't exist on
> iOS devices, only Android
> Reporter: Erik Thomas
> Priority: Critical
> Fix For: Adobe Flex SDK 4.6 (Release)
>
> Attachments: AndroidDeactivateOnOrientationChangeDefect.zip
>
>
> Orientation changes on Android devices always fire the following events in
> this order:
> ViewNavigatorEvent.VIEW_DEACTIVATE
> Event.DEACTIVATE
> StageOrientationEvent.ORIENTATION_CHANGE
> The first two events are a defect. They must not fire simply because the user
> changed the orientation of the phone.
> The result of this defect is that we cannot do two very important things:
> 1. Use view state changes to hide/show layouts, using includeIn property on
> containers and components. On Android, components that are not included for a
> given state are destroyed yet they have state we want to maintain which is
> why we don't change Views.
> 2. We cannot know when the user navigates away from our application, for
> example to press the Home key. We have certain cleanup we must do in our
> complex connected app that streams FMS data, etc., and cannot keep sockets
> open for hours or days.
> On iOS, this is not a problem. Only Android has this bug and it's blocking us
> from releasing our product on Android. iOS does not have this defect.
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