Good to know you found the problem.
I could have been a bit more explicit, your solution is basically what
I had to do as well. It is better to check for pointers being valid
before using anyway!
I suppose the user can disable GPS to save battery, and not all
positionInfoSources may be available o
Ciao Luciano
I have cracked it!
I should have read the QtCreator Debug output more closely.
Using a constructor based on yours, I get:
[D] SatInfoSource::SatInfoSource:18 - No satellite info source available
as the demo starts up.
The problem occurs when myGeoSatelliteInfoSource->startUpd
