-- When it tells me my location is hundreds of miles from where I actually am, will the call -- to getAccuracy return hundreds of thousands of meters?
With my experience, sometimes I got a accuracy of 10M, actually 100m away from where I was. On Thu, Jul 15, 2010 at 1:01 PM, jgostylo <[email protected]> wrote: > drpickett: > When I say I "demand" a certain accuracy from the GPS what I mean is > that when it reports a location I call getAccuracy and if it is not > good enough I throw away the result. Maybe I should just be more > lenient on the accuracy from a network location. > > All of this and people have only sort of answered my question. I > understand that the answer may just be "I don't really know what it > would do" and I understand that really isn't an answer people post on > the forum because it does not fill the information gap. The accuracy > is a function of the number of satellites in view and other stuff. I > get that. But the question remains the same. When it tells me my > location is hundreds of miles from where I actually am, will the call > to getAccuracy return hundreds of thousands of meters? > > > PsuedoCode for the previous request (may be missing and spotty but you > get the gist): > > public class ContainerClass extends Activity > > onCreate(Bundle savedInstanceState) > { > ... > lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE); > Criteria myCriteria = new Criteria(); > myCriteria.setAccuracy(Criteria.ACCURACY_FINE); > > providerList = lm.getProviders(true); > > for (String provider : providerList) > { > if (provider.equals(LocationManager.GPS_PROVIDER)) > { > lm.requestLocationUpdates(provider, 7000, 20, gpsLocationListener); > } > else if (provider.equals(LocationManager.NETWORK_PROVIDER)) > { > lm.requestLocationUpdates(provider, 7000, 20, > networkLocationListener); > } > } > } > > // Wireless location listener > private final LocationListener networkLocationListener = new > LocationListener() { > public void onLocationChanged(Location location) { > > ContainerClass.this.gpsLocationListener.onLocationChanged(location); > } > > public void onProviderDisabled(String provider){} > public void onProviderEnabled(String provider) {} > public void onStatusChanged(String provider, int status, Bundle > extras) {} > }; > > // GPS location listener > private final LocationListener gpsLocationListener = new > LocationListener() { > public void onLocationChanged(Location location) { > > //location.getProvider() will return which provider > supplied this location > > //Logic when a location is found > > if ((long)Math.floor(SystemClock.elapsedRealtime()/1000) - > locationTimeElapse > 7) > { > locationTimeElapse = > (long)Math.floor(SystemClock.elapsedRealtime()/1000); > currentLocationAccuracy += 10; > if (locationAccuracy > 1500f) > { > currentLocationAccuracy = 1500f; > } > } > > if (location.getAccuracy() < 30.0 || location.getAccuracy() <= > currentLocationAccuracy) > { > currentLocationAccuracy = location.getAccuracy(); > //and other junk happens > } > > } > > public void onProviderDisabled(String provider){} > public void onProviderEnabled(String provider) {} > public void onStatusChanged(String provider, int status, Bundle > extras) {} > }; > > On Jul 10, 9:13 pm, drpickett <[email protected]> wrote: > > > Maybe I > > > can be choosy and say that if it GPS then I demand 20 meter accuracy > > > but if it is network then I only demand 500 meter??? > > > > Chuck Norris can "demand" a certain accuracy from GPS - You can't - > > GPS reports its accuracy to you - It is a function of the number of > > satellites in view, and other stuff > > > > dp > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
