On Mon, Feb 29, 2016 at 10:27 PM, Royden Yates <royden.ya...@gmail.com> wrote: > On Monday, 29 February 2016 21:46:02 CET, Alan Pope > <alan.p...@canonical.com> wrote: >> >> Hi Thomas, >> >> On 29 February 2016 at 15:35, Thomas Voß <thomas.v...@canonical.com> >> wrote: >>> >>> On Mon, Feb 29, 2016 at 12:38 PM, Alan Bell <alanb...@ubuntu.com> wrote: >>>> >>>> it isn't really about that, it is about providing less broken location >>>> data >>>> to applications that ask for it. The current situation is that if an >>>> application requests location data it gets given random coordinates of >>>> somewhere you may have been to in the last week or so. >>> >>> >>> Hmmm, I'm surprised by that statement. The service hands out the last >>> known good location, together with a timestamp >>> and the accuracy aged out. If applications fail to handle the >>> respective data correctly, it is not the service at fault here. >>> >> >> I spent a week in Germany last week. At lunch time we wandered outside >> from the exhibition centre and opened HERE maps to find a nearby kebab >> shop (don't ask). Ogra pulled out his MX4 running rc-proposed and used >> HERE to find a local shop and navigate to it. Our destination seemed a >> ludicrous distance away from our current location, until we noticed >> the current location on the map was actually the hotel we left some 5 >> hours previously. Cue a few moments of stabbing to refresh the app to >> make it realise we've moved (quite a bit as it happened). >> >> While this may be "Working As Designed", it's not "Working in a >> meaningfully useful way". Having a location which is "aged" by over >> half a working day is pretty useless on a mobile device. Other >> platforms don't do this (in my experience), neither should we, battery >> life be dammed, frankly. I want the map to show me where I am now, not >> where I ate breakfast sometime in the past. >> >>>> Then it thinks about >>>> refreshing the location and refining it over the next few minutes or so >>>> if >>>> the application is one that asks where you are again and again. If it >>>> could >>>> take a peek at the satellites every so often then it would enable >>>> several >>>> additional classes of application and would be less broken for things >>>> that >>>> only ask once. >>>> >>> >>> That's incorrect. The service keeps on delivering updates to >>> applications that have requested continuous location updates. >> >> >> Then there is a bug in the platform. The browser (in which HERE runs) >> is a default app and the location service is also pre-installed. There >> is an issue here which clearly need nailing as I'm certain we're not >> the only 3 people in the world to experience this. >> >> Cheers, > > > Thing is, HERE does not use cell mast locating doea it? Ithink I read that, > but who knows if the source was credible. >
It does use information about the currently active cell, but does not consider all currently visible cells. With that, we still get an initial estimate with a lower accuracy than what would be available when considering all visible cells. > A cell phone with appropriate permissions and the modem enabled should > always know at least the location of the mast currently servicing the > device. Mine does not. Wihtout GPS coverage HERE tells me it cannot locate > me. Unav thinks I am at an address I left over 6 months ago. > That is simply a bug, not necessarily in uNav but somewhere in the stack a stale cached location is kept around. Cheers, Thomas > Regards R > > > -- > Sent using Dekko from my Ubuntu device > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : ubuntu-phone@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp -- Mailing list: https://launchpad.net/~ubuntu-phone Post to : ubuntu-phone@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-phone More help : https://help.launchpad.net/ListHelp