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From "Lindsey Simon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-1185) When Application is placed in background and resumed, the UI is frozen
Date Tue, 13 Nov 2012 18:56:12 GMT

    [ https://issues.apache.org/jira/browse/CB-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496417#comment-13496417
] 

Lindsey Simon commented on CB-1185:
-----------------------------------

Ok, here's a link to a repo for perusal, and in particular the JS file:
https://github.com/elsigh/cordova-android-anr/blob/master/assets/www/js/index.js

I tried with this running just turning off the data and wifi and the app continue to run for
about 30 minutes no problem, it would just get the error for the fetch and then the timeout
fired and another would go off. So I don't know that it's just that.

It's unfortunately some combo of moving parts. Ugh.

Things I've not tried yet but want to:
* Sending multiple XHRs at once and looping/re-fetching once they're all complete.
* Including battery listeners
* Using backbone in this equation.

Also - @Untappd folks - do you guys use Urban Airship for push? I wonder if it's relevant.

thanks
                
> When Application is placed in background and resumed, the UI is frozen
> ----------------------------------------------------------------------
>
>                 Key: CB-1185
>                 URL: https://issues.apache.org/jira/browse/CB-1185
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Android
>    Affects Versions: 2.0.0
>         Environment: Jelly Bean 4.1, ICS 4.0.x
>            Reporter: Greg
>            Assignee: Filip Maj
>         Attachments: 0001-Fix-issue-with-pause-resume-freezing-the-UI.patch, 0002-Uncomment.patch,
cordova-2.0.0.jar, issues.zip
>
>
> When using PhoneGap 2.0.0 on ICS or JellyBean, the application freezes up after you set
the app to the background or turn of the screen. After around 3-7 seconds, the application
unfreezes and pretty much causes a panic and usually crashes. No error reports have been submitted.
> Here is how you re-produce the issue:
> 1. Download Untappd - V2.0.4(https://play.google.com/store/apps/details?id=com.untappdllc.app)
> 2. After logging in stay on the Friends tab
> 3. Turn the the screen off and wait about 3-7 minutes
> 4. Turn the screen back on, and the interface should be frozen.
> Another possible path to re-producing the issue:
> 1. Download Untappd - V2.0.4(https://play.google.com/store/apps/details?id=com.untappdllc.app)
> 2. After logging in stay on the Friends tab
> 3. Go back to the home screen then use other apps for about 3-7 minutes.
> 4. Go back into Untappd, and the interface should be frozen.
> When the app is frozen, native menu buttons will not nor any options in the UI. 
> Would love to see if anyone can replicate this. I've tested this on Jelly Bean 4.1.x
on a Samsung Galaxy Nexus, but users have been having this problem majority on ICS (4.0.x)
> Thanks,
> Greg

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