public override void OnDestroy()
{
Console.Error.WriteLine("--------------------------- Destroying Service ---------------------------");
base.OnDestroy();
AndroidSensusServiceHelper serviceHelper = SensusServiceHelper.Get() as AndroidSensusServiceHelper;
// the service helper will be null if we failed to create it within OnCreate, so first check that. also,
// OnDestroy can be called either when the user stops Sensus (in Android) and when the system reclaims
// the service under memory pressure. in the former case, we'll already have done the notification and
// stopping of protocols; however, we have no way to know how we reached OnDestroy, so to cover the latter
// case we're going to do the notification and stopping again. this will be duplicative in the case where
// the user has stopped sensus. in sum, anything we do below must be safe to run repeatedly.
if (serviceHelper != null)
{
serviceHelper.Logger.Log("Destroying service.", LoggingLevel.Normal, GetType());
NotifyBindingsOfStop();
serviceHelper.StopProtocols();
serviceHelper.SetService(null);
}
}
