michael wrote: > I am developing a Service that uses location information. I want it to > always use the "best" enabled LocationProvider according to a given > Criteria object. For this I initially use the following method: > > LocationManager.getBestProvider(Criteria criteria, boolean > enabledOnly) > > with enabledOnly set to "true", and I then register my > LocationListener with the result. > > My question is the following: how do I know when new providers become > available in order to re-invoke getBestProvider()? I have come up with > two solutions, neither of which seem satisfactory: > > 1) Register a listener for all available providers, whether or not > they are enabled, and override the onProviderDisabled, > onProviderEnabled and onStatusChanged methods. But then the listener > also gets unnecessary calls to onLocationChanged which I don't want to > happen due to performance/battery constraints. > > 2) Run a background thread which periodically invokes > LocationManager.getBestProvider and checks if there are any changes. > Again this seems like an unnecessary overhead. > > Is there a better approach that I am overlooking? Any suggestions > would be much appreciated.
3) Don't worry about the problem. The only reason that the provider indicated by your Criteria will change is if the user enables or disables a provider in the Settings application, which I doubt happens on the fly very frequently. -- Mark Murphy (a Commons Guy) http://commonsware.com | http://twitter.com/commonsguy _The Busy Coder's Guide to *Advanced* Android Development_ Version 1.5 Available! -- 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
