GeofenceBroadcastReceiver.cs

[BroadcastReceiver(Enabled = true)]
[IntentFilter(new[] { "com.huawei.hms.geofence.ACTION_PROCESS_ACTIVITY" })]
class GeofenceBroadcastReceiver : BroadcastReceiver
{
    public static readonly string ActionGeofence = "com.huawei.hms.geofence.ACTION_PROCESS_ACTIVITY";
    public override void OnReceive(Context context, Intent intent)
    {
        if (intent != null)
        {
            var action = intent.Action;
            if (action == ActionGeofence)
            {
                GeofenceData geofenceData = GeofenceData.GetDataFromIntent(intent);
                if (geofenceData != null)
                {
                    Toast.MakeText(context, "Geofence triggered: " + geofenceData.ConvertingLocation.Latitude +"\n" + geofenceData.ConvertingLocation.Longitude + "\n" + geofenceData.Conversion.ToConversionName(), ToastLength.Long).Show();
                }
            }
        }
    }
}