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From "Joe Bowser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-1458) Android's new "Limit background processes" setting in "Developer options" breaks key PhoneGap functionality.
Date Mon, 17 Sep 2012 23:07:07 GMT

    [ https://issues.apache.org/jira/browse/CB-1458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457452#comment-13457452
] 

Joe Bowser commented on CB-1458:
--------------------------------

I tried playing around with the WebView's restoreState and saveState methods, but they crash
brutally on the Samsung Galaxy S2, and crash when you switch apps on the HTC One X.  The thing
that I noticed on both the HTC One X and the Samsung Galaxy S2 is that the phone slows down
and is virtually unusable.  I think this mode is in the developers menu with the expectation
that only developers would ever use this mode.  I'm tempted to mark this as Won't Fix, because
this would be incredibly difficult to fix, especially since saveState and restoreState don't
read the state correctly.
                
> Android's new "Limit background processes" setting in "Developer options" breaks key
PhoneGap functionality.
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: CB-1458
>                 URL: https://issues.apache.org/jira/browse/CB-1458
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Android, CordovaJS
>         Environment: Android 4.x.x
>            Reporter: trusktr
>            Assignee: Joe Bowser
>            Priority: Critical
>
> As of version 4.x.x, Android introduced a new ability to limit background processes down
to zero in Settings >> Developer Options >> Limit background processes.
> I'm not sure if this bug exists with the latest PhoneGap version, but I noticed it using
PhoneGap apps for android from Google Play.
> After setting the option to "No background processes" I noticed the following. If I try
to use the Media abilities of PhoneGap in an app to chose a photo or file from my system,
then when the selector application returns, the PhoneGap app will restart from the beginning
because it's background process was terminated.
> If I set the option back to "Standard limit" then everything works just fine.
> What do we do about this? Personally, I prefer to have the option set to "No background
processes" to prevent apps from needlessly wasting resources. It works great and some apps
won't get terminated if they subscribe to Android's messaging system the proper way and will
be dormant.
> Anyways, with the setting turned to "No background processes", I've experienced apps
that still work properly. I think there must be some way to fix this with PhoneGap.
> This is a big deal because users should be allowed to set the option to "No background
processes if they so desire."

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