Android P feature spotlight: Rotation can be temporarily locked to landscape, and other changes
Android P feature spotlight: A new lockdown option in the power menu turns off fingerprint unlocking and 'extended access'
Android P feature spotlight: Location accuracy is now a binary setting, battery saving mode is gone
Android P feature spotlight: Adaptive brightness animates the quick settings slider as it changes
Android P feature spotlight: USB menu gets revamped, lets you transfer files and charge a connected device simultaneously
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Android P keeps on unveiling more and more of its hidden enhancements, and most of these have been relatively positive so far. This one, however, leaves me with my eyebrows raised a little. The location accuracy setting is now a binary choice of on/off, and it essentially removed the "battery saving" mode.
In Android Oreo (and many versions before it), the location settings screen had a Mode option on top, which unveiled three options: High accuracy (GPS + WiFi + Bluetooth + mobile networks), Battery saving (WiFi + Bluetooth + mobile networks, but no battery-sucking GPS), and Device only (GPS). Check them out in these screenshots:
In Android P's first developer preview, things have changed a little. The Mode option is gone, it's now replaced by a Location accuracy setting at the bottom, and it's now an on/off state. On means WiFi + mobile networks are used in conjunction with GPS (previously High accuracy), and off means only GPS is used (previously Device only). There's no equivalent to Battery saving, so you can't turn off the GPS and rely on quasi-accurate location without sucking down your battery.
The change does seem to simplify things for developers and users alike. I keep High accuracy selected on my devices, mostly because I know that the apps I use don't call upon the GPS unless they're open and in need of an accurate location, but I wonder if some of you prefer Battery saving mode and whether or not this change makes sense to you.
Edit: Rephrased. We apologize for the confusion in trying to explain the reasoning behind this. As pointed out by Ivan Carapovic, this change might be because Android P doesn't allow apps to use sensors and thus possibly the GPS when idle (thanks to XerBlade for explaining the distinction with background processes). However, ComputerWorld says the rule for idle sensors doesn't apply to GPS, though the documentation isn't super clear about it. Seems like we're back to square one.
Regardless of the explanation and reasoning, the end result as detailed in the main article is still the same: on P, you only have the equivalent of High accuracy, GPS-only, and Location off. Battery saving is gone. That means that you can't set your phone to never use GPS, even in apps that require it, and rely instead on WiFi/network positioning to save battery life.
- Jordi Gordillo Ramos