your location provider is network. Network means WiFi or cellular. One of the two is on while the device is asleep, and possibly you have another application that uses location updates (so you may be getting them passively)
On Monday, May 7, 2012 2:32:25 AM UTC-4, ste1024 wrote: > In developing an app that needs to get periodic location fixes, I ran > across several issues that are unclear to me. > > The application currently does not use any WakeLocks. > Yet even if the device is put to sleep (e.g. via pressing the power > button), I seem to be able to get location fixes. > > I have built a counter into the app that increments on each location fix. > I reset the counter, press the power button power to put the device to > sleep, move it to a differen location and let it sit there for several > minutes. > After several minutes I come back, wake up the device and check the > counter. And it often is not zero, but shows that multiple location updates > were received while it was supposed to be "sleeping". > > Location provider is network, update distance and interval are 1 meter / 1 > minute. > The device (HTC Desire HD with Android 2.3.5) has no SIM card. WiFi is > enabled and the device is _not_ connected via USB > (USB debugging is enabled, though). > > So my first question is: why does this happen without a WakeLocks being > held? > > Also on the topic of WakeLocks, assuming the first issue has been cleared > up and I really have to use WakeLocks: > Can I have something that periodically wakes up the CPU to get a new > location fix, keeps the device awake while we try to get the fix > (or until a max. timeout has been reached), then goes back to sleep, then > wakes up later, gets the next fix, sleeps, etc.? > Or do I have to hold the WakeLocks all time (which I can imagine has > adverse effects on battery life)? > > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
