public void OnLocationChanged(Location location)
{
if (location.Accuracy <= _DesiredAccuracy)
{
Finish(location);
return;
}
lock (_LocationSync)
{
if (GeolocationUtils.IsBetterLocation(location, _BestLocation))
{
_BestLocation = location;
}
}
}
public async Task <Position> GetLastKnownLocationAsync()
{
var hasPermission = await CheckPermissions();
if (!hasPermission)
{
return(null);
}
Location bestLocation = null;
foreach (var provider in Providers)
{
var location = Manager.GetLastKnownLocation(provider);
if (location != null && GeolocationUtils.IsBetterLocation(location, bestLocation))
{
bestLocation = location;
}
}
return(bestLocation?.ToPosition());
}
public GeolocationSingleListener(LocationManager manager, float desiredAccuracy, int timeout, IEnumerable <string> activeProviders, Action finishedCallback)
{
_DesiredAccuracy = desiredAccuracy;
_FinishedCallback = finishedCallback;
var activeProviderStrings = activeProviders as string[] ?? activeProviders.ToArray();
_ActiveProviders = new HashSet <string>(activeProviderStrings);
foreach (var provider in activeProviderStrings)
{
var location = manager.GetLastKnownLocation(provider);
if (location != null && GeolocationUtils.IsBetterLocation(location, _BestLocation))
{
_BestLocation = location;
}
}
if (timeout != Timeout.Infinite)
{
new Timer(TimesUp, null, timeout, 0);
}
}
