void OnGPSTimerElapsed(object sender, ElapsedEventArgs e)
{
locationManager.RemoveUpdates(this);
this.RunOnUiThread(() => progressDialog.Dismiss());
if (gpsTimer != null && gpsTimer.Enabled)
{
gpsTimer.Stop();
gpsTimer.Close();
}
this.RunOnUiThread(() => {
AlertDialog alert = new AlertDialog.Builder(this)
.SetPositiveButton("OK", (sender1, EventArgs) => {
})
.SetMessage("Unable to get GPS location.")
.SetTitle("GPS Location")
.Show();
int titleDividerId = Resources.GetIdentifier("titleDivider", "id", "android");
View titleDivider = alert.FindViewById(titleDividerId);
if (titleDivider != null)
{
titleDivider.SetBackgroundColor(Resources.GetColor(Resource.Color.material_blue_grey_800));
}
});
}
public void StartGPS()
{
try
{
long checkInterval = 0;
long minDistance = 0;
locationManager = (LocationManager)this.GetSystemService(Activity.LocationService);
string locationProvider = null;
Criteria criteriaForLocationService = new Criteria {
Accuracy = Accuracy.Coarse
};
IList <string> acceptableLocationProviders = locationManager.GetProviders(criteriaForLocationService, true);
if (acceptableLocationProviders.Any())
{
locationProvider = acceptableLocationProviders.First();
locationManager.RequestLocationUpdates(locationProvider, checkInterval, minDistance, this);
gpsTimer = new Timer(gpsTimeout);
gpsTimer.Elapsed += OnGPSTimerElapsed;
gpsTimer.Enabled = true;
progressDialog = new ProgressDialog(this);
progressDialog.SetTitle("GPS Location");
progressDialog.SetMessage("Getting GPS location...");
progressDialog.SetProgressStyle(ProgressDialogStyle.Spinner);
progressDialog.SetCancelable(true);
progressDialog.CancelEvent += OnGPSCancel;
progressDialog.Show();
int titleDividerId = Resources.GetIdentifier("titleDivider", "id", "android");
View titleDivider = progressDialog.FindViewById(titleDividerId);
if (titleDivider != null)
{
titleDivider.SetBackgroundColor(Resources.GetColor(Resource.Color.material_blue_grey_800));
}
Log.Debug("ProviderSearch", "gps requesting updates");
}
else
{
AlertDialog alert = new AlertDialog.Builder(this)
.SetPositiveButton("Yes", (sender, EventArgs) =>
{
Intent gpsOptionsIntent = new Intent(Android.Provider.Settings.ActionLocationSourceSettings);
StartActivity(gpsOptionsIntent);
})
.SetNegativeButton("No", (sender, EventArgs) =>
{
})
.SetMessage("This requires your GPS to be switched on. Switch on GPS and retry.")
.SetTitle("Turn on GPS")
.Show();
int titleDividerId = Resources.GetIdentifier("titleDivider", "id", "android");
View titleDivider = alert.FindViewById(titleDividerId);
if (titleDivider != null)
{
titleDivider.SetBackgroundColor(Resources.GetColor(Resource.Color.material_blue_grey_800));
}
}
}
catch (System.Exception ex)
{
}
}
