[Interest] A bug in Qt 5.3.1 for Android?

[Ben Lau]

On 1 July 2014 15:33, Alexander Zakharov <alexander.v.zakharov at gmail.com>
wrote:

> > My testing result:
> >
> > Qt 5.3.0 + Nexus 5 (4.4.2)
> > primaryScreen()->physicalDotsPerInch() 443.934
> > Qt 5.3.0 + Samsung Galaxy Note 2
> > primaryScreen()->physicalDotsPerInch() 264.903
> >
> > Qt 5.3.1 + Nexus 5 (4.4.2)
> > primaryScreen()->physicalDotsPerInch() 453.754
> > Qt 5.3.1 + Samsung Galaxy Note 2
> > primaryScreen()->physicalDotsPerInch() 270.284
> >
> > Although it don't return infinity , Qt 5.3.1 produces value different
> > than 5.3.0
>
> Thanks, your results pushed my thoughts in a right direction. In my
> program physicalDotsPerInch() is called from the main window's
> constructor and it is this call that stopped working. Calling
> physicalDotsPerInch() later, when the main window is shown, produces a
> value of 151.588, which is (almost) correct (I do not remember the exact
> DPI produced by 5.3.0, but it was close).
>
>
btw , There has another report to say it return infinity
https://bugreports.qt-project.org/browse/QTBUG-35701

(last comment)


> > btw , I got another issue after upgraded to Qt 5.3.1 on Android.. Seem
> > that there has some large changes from 5.3.0 to 5.3.1
> > [#QTBUG-39977] Full screen mode do not work correctly on Nexus 5 v4.4.2
> > - Qt Bug Tracker
> > <
> https://bugreports.qt-project.org/browse/QTBUG-39977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-249119
> >
>
> I do not use full screen mode in my application (the main window is
> always maximized), so I did not test it in 5.3.0 and earlier versions.
> However, now, when I change showMaximized() call to showFullScreen() in
> the main window's constructor, the bottom bar does not disappear, but
> stays on screen, partially hiding the window, as shown in Step 3
> screenshot of the described bug.
>

Thank you~
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20140703/27d662b6/attachment.html>