I've seen a lot of GPS related tracking apps that use a lot of power putting up warnings to users that it might be time to go to low power mode and shut down the GPS if you'll need it later for navigating a critical pathway later in your journey.
-chofmann On Mon, Aug 3, 2015 at 7:49 PM, Katelyn Gadd <k...@luminance.org> wrote: > Games for mobile phones, handheld devices, and laptops often show a > battery indicator and/or a clock in the corner of the screen while > running in fullscreen mode. That's the only good reason I can think of > off-hand. > > On 3 August 2015 at 12:55, Chris Peterson <cpeter...@mozilla.com> wrote: > > What is a legitimate use case for a web page to know my battery status? > > Battery level and time remaining can be used to fingerprint users. > > > > A mobile webapp might use battery level to throttle its activity, but > that > > could be something the OS handles by pausing or throttling apps directly > or > > broadcasting app lifecycle events. I can't think of a good reason why a > web > > page in a browser, especially on a desktop OS, needs to know anything > about > > my battery. > > > > > http://www.theguardian.com/technology/2015/aug/03/privacy-smartphones-battery-life > > > > http://eprint.iacr.org/2015/616.pdf > > > > > > chris > > _______________________________________________ > > dev-platform mailing list > > dev-platform@lists.mozilla.org > > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
