How does that work? Is it an iOS specific thing? I haven't launched the Uber app in a while and use Lyft instead - but I just turn location services on when I w

How does that work? Is it an iOS specific thing? I haven't launched the Uber app in a while and use Lyft instead - but I just turn location services on when I want to use it and off again afterward. How does the app get any say in the matter?