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Re:Uber Now Tracks Passengers’ Locations Even After They’re ... by lucb1e on Friday December 02, 2016 @01:36AM (#13086598)
I don't know which android distribution you're using but mine has that. Can recommend Cyanogenmod with privacy guard to everyone: it allows you to deny wake locks to applications. After doing this my battery chart is flat for 6 hours straight if I don't use my phone (I think that's the longest time I've tried).

Telegram is the only application with wake lock permissions left. I once even tried denying my lock screen the permission, which was a mistake... Took a while to turn the device back on.

Re:Uber Now Tracks Passengers’ Locations Even After They’re ... by amluto on Friday December 02, 2016 @06:04PM (#13093085)
I use CyanogenMod, and denying wake locks doesn't solve this problem. An application can register to receive any number of events that will wake it despite a lack of wake locks, like geofences, alarms, push notifications, waiting for another app to wake the device, etc.

It's the same reason that denying the permission to automatically run on boot is basically useless from a privacy perspective -- the application will just automatically run when some other event happens.