I do sympathise. I would love a more comprehensive system of sensor acquisition - but right now I’m just trying to cope with the GPS start up issue. Bluetooth and all that is further away from me.
Graham > On 25 Apr 2020, at 16:20, JeeJeeStudio via use-livecode > <use-livecode@lists.runrev.com> wrote: > > Some apps even measure the heartbeat via the camera and turn on the > cameralight. > > I don't know how we could do that in LC. > > Even for barcode reader the camera light would be convenient for dark spaces, > i added a feature request, but it's hibernated. > > Who knows how long it takes before it gets integrated. > > Op 25-4-2020 om 14:07 schreef Graham Samuel via use-livecode: >> Typical fitness apps (such as iCardio by FitDigits) can read various >> sensors including a Heart Rate Monitor via Bluetooth, and one’s location via >> inbuilt GPS. When you start an activity like a run or a workout, the app >> goes through an acquisition phase, and won’t start recording until the >> sensors are functioning. This is made clear to the user by a display. >> >> I want to do this in my LC iOS app, specifically for the GPS. I know how to >> start the location function on the device and I know how to handle the >> position via ‘locationChanged' and/or ‘mobileCurrentLocation', and these >> work. The big problem is at the start of such a sequence. I can use >> 'mobileStartTracking Sensor “location” ’ to get going, but experience shows >> that this takes an unpredictable amount of time, sometimes of the order of >> seconds. You would think that the locationChanged messages wouldn’t start >> firing until the start tracking process had done its job, but it seems this >> is not so, and nonsense locations can appear at the beginning of the >> sequence. At least that’s my experience. >> >> I am loth to use a loop to see if the tracking is really started and legit, >> and anyhow this would be problematical if my app was being inundated with >> ‘locationChanged' messages while the loop is running. >> >> Has anyone any experience of this issue? As usual, I feel I’m missing >> something. Perhaps the ‘trackingError’ message might help, but I don’t see >> how. >> >> Graham >> >> >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your subscription >> preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
