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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-9888) WKWebView on iOS9 on iPhone 5 (32-bit phone) - occasionally resets view
Date Mon, 11 Jul 2016 14:15:11 GMT

    [ https://issues.apache.org/jira/browse/CB-9888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15370843#comment-15370843
] 

ASF GitHub Bot commented on CB-9888:
------------------------------------

Github user mccraigmccraig commented on the issue:

    https://github.com/apache/cordova-plugin-wkwebview-engine/pull/11
  
    definitely it is weird - the test exists because the `webViewContentProcessDidTerminate`
delegate function sometimes doesn't get called, which is presumably a bug in `WkWebView` itself
    
    it was observed that the empty title is a test for this problem having occurred, and since
there is no official API to determine the same, a weird but workable test is better than WSODs
 :)
    
    the difficulty with this bug is that it only occurs irregularly - randomly, once every
few days for me - so it's really hard to test solutions, and i don't know if the value which
is matching the condition is actually `nil` or `""` - whether the condition can be reduced
to `==nil` would depend on first figuring out the answer to this question


> WKWebView on iOS9 on iPhone 5 (32-bit phone) - occasionally resets view
> -----------------------------------------------------------------------
>
>                 Key: CB-9888
>                 URL: https://issues.apache.org/jira/browse/CB-9888
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin WKWebViewEngine
>    Affects Versions: 4.0.0
>         Environment: iphone 5, ios9.1
>            Reporter: Jan Pittner
>            Assignee: Shazron Abdullah
>
>  Occasionally the entire web view is cleared. White screen. Plugins and other components
remain unaffected. Observed when playing background audio (via CDVSound), going to background,
and running other apps. Audio continues uninterrupted, but bringing the app to foreground
reveals white screen.
> It appears to be related to an issue with the XPC connection being lost between the app
and the wkwebview (log in XCode mentioned the XPC connection being interrupted). (see also:
http://stackoverflow.com/questions/25854143/wkwebview-intermittent-blank-screen-issue )
> The plugin should detect if the WKWebView has reset and reload the app. 



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