Ok, thanks,
I think at least this should be written somewhere in the documentation.
Best regards,
Philippe
Le 02-11-2021 11:06, Ivan Solovev a écrit :
Hi Philippe,
As far as I can tell, the problem is that CLLocationManager class does
not have any API to control update frequency. It allows to adjust the
desired accuracy instead, which is hardcoded to kCLLocationAccuracyBest
for now [0].
There is a https://bugreports.qt.io/browse/QTBUG-93860 [1] which
suggests providing ways to control this parameter via public API in Qt.
[0]
https://code.qt.io/cgit/qt/qtlocation.git/tree/src/plugins/position/corelocation/qgeopositioninfosource_cl.mm?h=5.15.2#n198
Best regards,
Ivan Solovev
Senior Software Engineer
The Qt Company
Erich-Thilo-Str. 10 12489
Berlin, Germany
www.qt.io [2]
Geschäftsführer: Mika Pälsi,
Juha Varelius, Jouni Lintunen
Sitz der Gesellschaft: Berlin,
Registergericht: Amtsgericht Charlottenburg, HRB 144331 B
-------------------------
From: Interest <interest-boun...@qt-project.org> on behalf of maitai
<mai...@virtual-winds.org>
Sent: Saturday, October 30, 2021 7:23 PM
To: Interest@qt-project.org <Interest@qt-project.org>
Subject: [Interest] iOS QGeoPositionInfoSource updateInterval
Hi all,
It seems to me that QGeoPositionInfoSource::setUpdateInterval on iOS
does nothing, whatever I set I am still receiving a position update
around every second.
I want to use a longer interval when in background, in order not to
drain the battery. But even in foreground I cannot change the frequency
of position updates.
Is it a bug or I am missing some subtleties?
Using qt 5.15.2 and iOS 14.
Thanks
Philippe Lelong
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Links:
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[1] https://bugreports.qt.io/browse/QTBUG-93860
[2] http://www.qt.io
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