[Qt-interest] energy cost of wi-fi scan?

[franki]

Dnia poniedziałek, 7 listopada 2011 o 20:43:54 Jason H napisał(a):
> Tasker for Android does this.
> You can set the coordinates with a pin on the map (or "here") and then set
> the radius. If you are in an area of many mode points, you can tell it
> to use GPS, but if there are no other points near by then just use the
> radio estimation. 
> I've not used that part of mobility yet, but you should be able to pull a
> few towers and signals "for free" from the normal phone operation. 

Well, but I need this functionality inside my application, not in some 
external software. Anyway I'm trying QGeoPositionInfoSource with 
NonSatellitePositioningMethods it should do the job for me, I don't want to 
use gps satellite as it drains more energy from battery.

Marek

> 
> From: franki <franki at franki.eu.org>
> To: qt-interest at qt.nokia.com
> Sent: Sunday, November 6, 2011 12:26 PM
> Subject: Re: [Qt-interest] energy cost of wi-fi scan?
> 
> Sunday 06 November 2011 16:45:58 Chrisian Gagneraud napisał(a):
> > If you're using using the location API from QtMobility, you might want
> > to use QGeoPositionInfoSource::NonSatellitePositioningMethods, this way
> > I think that you will have a position based on GSM base stations, which
> > will cost you less energy than using the GPS, you will have less
> > accuracy, but that should do the job in your case.
> 
> Thanks, I'm trying QGeoPositionInfoSource now, it works nice, I'll disable
> satellite source.
> 
> Marek
> 
> > Chris
> > 
> > > best regards
> > > Marek
> > > _______________________________________________
> > > Qt-interest mailing list
> > > Qt-interest at qt.nokia.com
> > > http://lists.qt.nokia.com/mailman/listinfo/qt-interest
> 
> _______________________________________________
> Qt-interest mailing list
> Qt-interest at qt.nokia.com
> http://lists.qt.nokia.com/mailman/listinfo/qt-interest