On Monday, 18 January 2016 16:30:27 UTC+8, Mihai Barbat wrote:
> Hi
>
> Is there any action to contact the devs of all the GPS apps in the Market to
> inform them about this big change? I expect that most of the fitnesse
> trackers will be broken by this change
>
>
>
> On Mon, Jan 18, 2016 at 3:11 AM, Alphan Chen <[email protected]> wrote:
>
>
>
> Hi Christof,
>
> > Any ideas what the reason for this change could be? Was there a change
>
> > in Gecko?
> Yes, we phase in a change in Gecko.
>
> Bug 1216148 shows the whole story.
>
> The patch was phased in one weeks ago. (1/13)
>
>
> > And if so, what would an application have to do to prevent
> > GPS being turned off? Is there any resource lock to acquire to prevent
>
> > this?
>
> You need to use wakelock to keep GPS on.
> window.navigator.requestWakeLock('Gps');
>
>
> P.S. Ya-Chieh is modifying the content of MDN for this change currently.
>
>
>
>
>
>
>
> Alphan Chen 陳俊帆
>
>
> Software Engineer | Mozilla Taiwan
> Tel: +886-2-87861100#214 | Mobile: +886-937589694
> Email: [email protected] | Skype: alphan102
>
>
>
>
>
> On Mon, Jan 18, 2016 at 2:54 AM, Christof Meerwald <[email protected]> wrote:
> Hi,
>
>
>
> I am using a ZTE Open C with nightly builds from
>
> http://builds.firefoxos.mozfr.org/opencebay/ and am seeing a change in
>
> behaviour for GPS when the screen is switched off.
>
>
>
> It used to be the case that an app would still receive GPS location
>
> updates (using the navigator.geolocation.watchPosition API) when the
>
> user turned the screen off. But with recent build (last week) it
>
> appears that GPS is turned off when the user turns off the screen and
>
> only turned on again when the user turns the screen back on (and it
>
> takes a few seconds to get a new location via GPS).
>
>
>
> Any ideas what the reason for this change could be? Was there a change
>
> in Gecko? And if so, what would an application have to do to prevent
>
> GPS being turned off? Is there any resource lock to acquire to prevent
>
> this?
>
>
>
>
>
> Christof
>
>
>
> --
>
>
>
> http://cmeerw.org sip:cmeerw at cmeerw.org
>
> mailto:cmeerw at cmeerw.org xmpp:cmeerw at cmeerw.org
>
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Hi all,
We will put a version to MDN soon. At the meantime, if anyone can give any
suggestions to inform the market, we would like to do it.
And as alphan said, you can use wake lock to keep gps awake. And just make sure
it's 'gps' instead of 'Gps' like below.
window.navigator.requestWakeLock('gps')
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