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https://issues.apache.org/jira/browse/CB-3621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687827#comment-13687827
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Frederico Costa Galvão commented on CB-3621:
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This does not affect only WP7+WP8. Can it be done for all(or main) platforms?
> Overriding Back Button behavior can lead to inconsistent state
> ---------------------------------------------------------------
>
> Key: CB-3621
> URL: https://issues.apache.org/jira/browse/CB-3621
> Project: Apache Cordova
> Issue Type: Bug
> Components: WP7, WP8
> Affects Versions: 2.8.0
> Reporter: Jesse MacFadyen
> Assignee: Jesse MacFadyen
> Fix For: 2.9.0
>
>
> The current implementation does the following:
> - if the app has overridden the back button, by using
> document.addEventListener, then the backbutton event is passed to the page,
> and discarded.
> - else, the library will call window.history.back and if the page changes,
> discard the event.
> In all other cases the event will be passed to the OS and the app will exit.
> It is possible that an app is overriding the backbutton, but still needs the
> ability to exit at some point ( in response to a backbutton event ).
> If the page history has changed, then the framework would swallow the event,
> so it is impossible to get this behavior.
> We need to either add a programmatic way to exit the app in response to a
> back-button press, or find a way to signal the framework that even though I
> am overriding the backbutton, the app should still pass the event on to the
> OS.
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