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https://issues.apache.org/jira/browse/CB-3065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639393#comment-13639393
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Shazron Abdullah commented on CB-3065:
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[~walidtaraf] this is an issue with height=device-height in your meta tag for
"viewport". Remove it.
> Incorrect window.orientation value for portrait-only apps after returning
> from landscape mode (and vice versa) on iOS
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: CB-3065
> URL: https://issues.apache.org/jira/browse/CB-3065
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Affects Versions: 2.6.0
> Environment: Mac OS X 10.7.5, Darwin Kernel Version 11.4.2;
> XCode 4.6.1
> iOS 5.1-6.1
> Reporter: Aleksey Yashchenko
> Assignee: Shazron Abdullah
> Priority: Minor
> Labels: orientation, orientationchange
>
> When changing orientation in portrait only app (e.g. by opening youtube video
> link in InAppBrowser and watching video in landscape mode) window.orientation
> have invalid value that affects many UI rendering code/styles.
> Steps to reproduce:
> - compose HTML with two buttons, 1: onClick='alert(window.orientation)',
> 2:onClick="window.open('....://www.youtube.com/watch?v=xxxxx', '_blank');
> - compile this resource to portrait only app (set
> UISupportedInterfaceOrientations to UIInterfaceOrientationPortrait in
> Info.plist)
> - run app
> - check orientation with first button, in portrait mode its 0
> - push the second button, start youtube video, rotate device to landscape mode
> - when in landscape mode press Done in YT video player and in InAppBrowser
> - with first button check orientation its value -90/90
> Described effect causes glitches and partial page rendering in several UI
> frameworks. Looks like web view gets incorrect orientation change even
> sequence why change itself is blocked by Info.plist setting.
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