So you're saying Google Navigation *doesn't* use a wakelock and continually receive gps updates or that it's somehow an evil application because it uses the battery quickly?
On Jan 24, 5:24 pm, Mark Murphy <mmur...@commonsware.com> wrote: > On Fri, Jan 21, 2011 at 8:11 AM, mikeee <mike.engelh...@gmail.com> wrote: > > I've got an app that starts a service in order to receive location > > updates from the LocationManager. The use case is the service needs > > to be running all the time and as such it acquires a > > PowerManager.PARTIAL_WAKE_LOCK in the onCreate() of the Service. > > This sounds evil from the standpoint of battery life, if nothing else. > > > But it seems from testing on several different phones and user > > feedback that the Service is still being put to sleep as the location > > notifications will stop if the application isn't in the foreground. > > Android does not put applications to sleep. In your case, Android is > probably terminating your service for being everlasting and using a > perpetual WakeLock. > > > This effectively renders the app ineffective for the task at hand. > > I've read posts about using an Alarm to simulate a pseudo cron job but > > I don't really need to be woken up in order to do a task, the app > > needs to run code based on the location manager calling > > onLocationChanged the service that the users position has changed. > > You can experiment with my LocationPoller, which is designed for your > scenario: > > https://github.com/commonsguy/cwac-locpoll > > > yet the fact that it > > effectively stops running in some cases is causing problems for the > > users. > > That is because you cannot write everlasting services. Please use > AlarmManager and something (LocationPoller or your own design) to > write so you do not have a service and WakeLock in memory all of the > time. > > -- > Mark Murphy (a Commons > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > Android Training in London:http://bit.ly/smand1andhttp://bit.ly/smand2 -- 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
