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From "Joe Bowser (JIRA)" <>
Subject [jira] [Commented] (CB-12910) Cordova Android uses wrong screen density
Date Wed, 21 Jun 2017 21:28:00 GMT


Joe Bowser commented on CB-12910:

OK, That's interesting.  The application may be running in Quirks Mode, which is downsampling
it.  That said, it should be doing that across the board.  I'll see if I can find a tablet
to run tests against that's using the latest Android.

> Cordova Android uses wrong screen density
> -----------------------------------------
>                 Key: CB-12910
>                 URL:
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: cordova-android
>    Affects Versions: cordova@7.0.0
>         Environment: Samsung Galaxy Tab S and Galaxy Tab S2, Android 6.0.1
>            Reporter: Gaspy
>              Labels: android, density, dpi, webview
>         Attachments: sharp-blurry.png
> In some circumstances, the Cordova webview uses wrong screen density, resulting in blurrier
text and images.
> With the default blank Cordova app (cordova create MyApp; cordova add platform android;
cordova run android), at least on two tablets - Samsung Galaxy Tab S 8.4" and Samsung Galaxy
Tab S2 8" on Android 6.0.1, if one runs window.devicePixelRatio, the result is 1.5 instead
of 2. Querying the same from Chrome or Samsung browser yields the correct result, 2.
> I tested the same app on a Samsung Galaxy A3 2017 phone, also running Android 6.0.1 and
the result was correct, so the issue does not affect all devices.
> I tested with a more complex app and the difference between Cordova and browser is noticeable.

> Of course, the default app uses the viewport metatag <meta name="viewport" content="user-scalable=no,
initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width"> and no plugins.

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