public void OnResume()
{
if (this.locationManager != null && this.locationListener != null)
{
this.gpsProviderEnabled = this.locationManager.IsProviderEnabled(LocationManager.GpsProvider);
this.networkProviderEnabled = this.locationManager.IsProviderEnabled(LocationManager.NetworkProvider);
var currentTimeMillis = (DateTime.Now - new DateTime(1970, 1, 1)).TotalMilliseconds;
if (gpsProviderEnabled)
{
var lastKnownGpsLocation = locationManager.GetLastKnownLocation(LocationManager.GpsProvider);
if (lastKnownGpsLocation != null && lastKnownGpsLocation.Time > currentTimeMillis - LOCATION_OUTDATED_WHEN_OLDER_MS)
{
locationListener.OnLocationChanged(lastKnownGpsLocation);
}
if (locationManager.GetProvider(LocationManager.GpsProvider) != null)
{
locationManager.RequestLocationUpdates(LocationManager.GpsProvider,
LOCATION_UPDATE_MIN_TIME_GPS, LOCATION_UPDATE_DISTANCE_GPS, this.locationListener);
}
}
if (networkProviderEnabled)
{
var lastKnownNWLocation = this.locationManager.GetLastKnownLocation(LocationManager.NetworkProvider);
if (lastKnownNWLocation != null && lastKnownNWLocation.Time > currentTimeMillis - LOCATION_OUTDATED_WHEN_OLDER_MS)
{
locationListener.OnLocationChanged(lastKnownNWLocation);
}
if (locationManager.GetProvider(LocationManager.NetworkProvider) != null)
{
locationManager.RequestLocationUpdates(LocationManager.NetworkProvider,
LOCATION_UPDATE_MIN_TIME_NW, LOCATION_UPDATE_DISTANCE_NW, this.locationListener);
}
}
if (!gpsProviderEnabled && !networkProviderEnabled)
{
Toast.MakeText(context, "Please enable GPS and Network Positioning in your Settings", ToastLength.Short).Show();
}
}
}
public bool Start()
{
if (ContextCompat.CheckSelfPermission(context, Manifest.Permission.AccessFineLocation) != Android.Content.PM.Permission.Granted)
{
Log.Error("LocationProvider", context.GetString(Resource.String.permissions_denied) + " Manifest.Permission.AccessFineLocation");
return(false);
}
var gpsProviderEnabled = locationManager?.IsProviderEnabled(LocationManager.GpsProvider) ?? false;
var networkProviderEnabled = locationManager?.IsProviderEnabled(LocationManager.NetworkProvider) ?? false;
var providers = new List <string>();
if (gpsProviderEnabled)
{
providers.Add(LocationManager.GpsProvider);
}
if (networkProviderEnabled)
{
providers.Add(LocationManager.NetworkProvider);
}
foreach (var provider in providers)
{
var lastKnownLocation = locationManager.GetLastKnownLocation(provider);
if (lastKnownLocation != null && lastKnownLocation.Time > Java.Lang.JavaSystem.CurrentTimeMillis() - LocationOutdatedWhenOlderMs)
{
listener.OnLocationChanged(lastKnownLocation);
}
if (locationManager.GetProvider(provider) != null)
{
locationManager.RequestLocationUpdates(provider, LocationUpdateMinTime, LocationUpdateDistance, listener);
}
}
if (!gpsProviderEnabled && !networkProviderEnabled)
{
return(false);
}
return(true);
}