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From "Volker Braun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-13238) Splashscreen documentation dangerous
Date Wed, 06 Sep 2017 06:56:00 GMT

    [ https://issues.apache.org/jira/browse/CB-13238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16154905#comment-16154905
] 

Volker Braun commented on CB-13238:
-----------------------------------

Yes, as the documentation suggested I created ldpi... xhdpi versions. Now I know that providing
an xxxhdpi version as well would have averted the crash, but that is quite a trap for the
unwary and should be addressed in the docs (which is why I opened the issue here). Really,
just like you want the new universal splash screen on iOS (which the docs correctly point
out) you also want a single splash image on Android instead of bundling multiple resized versions
in the app. 

> Splashscreen documentation dangerous
> ------------------------------------
>
>                 Key: CB-13238
>                 URL: https://issues.apache.org/jira/browse/CB-13238
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: cordova-plugin-splashscreen
>         Environment: xxxhdpi devices
>            Reporter: Volker Braun
>
> This seems to be a documentation issue, but for the record here is the back story first:
> I reused the iOS 2730x2730 universal splash screen for the Android version, and copied
the config.xml settings
> {code}
>     <splash src="res/screen/android/splash-port-hdpi.png" density="port-hdpi"/>
>     <splash src="res/screen/android/splash-port-ldpi.png" density="port-ldpi"/>
>     <splash src="res/screen/android/splash-port-mdpi.png" density="port-mdpi"/>
>     <splash src="res/screen/android/splash-port-xhdpi.png" density="port-xhdpi"/>
> {code}
> as they are on https://cordova.apache.org/docs/en/latest/reference/cordova-plugin-splashscreen/
 Then my app is crashing with 
> {code}
> Fatal Exception: java.lang.RuntimeException: Canvas: trying to draw too large(119421184bytes)
bitmap.
> {code}
> on startup on xxxhdpi devices (e.g. Samsung S8). Note the 119421184 bytes are 2730^2
pixel * 4 bytes color depth times an extra 2^2; The last factor is the rescaling from xhdpi
-> xxxhdpi. 
> I believe the documentation should be saying 
> {code}
>     <splash src="res/screen/android/splash-screen.png" density="anydpi"/>
> {code}
> since the splash screen is scaled to fill the screen anyways, we certainly don't want
to blow it up first because we have a high dpi device. 



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