public void Dispose()
{
object typeFromHandle = typeof(FirebaseMessaging.Listener);
lock (typeFromHandle)
{
if (FirebaseMessaging.Listener.listener == this)
{
FirebaseMessaging.SetListenerCallbacks(null, null);
FirebaseMessaging.Listener.listener = null;
this.app = null;
}
}
}
private Listener()
{
FirebaseMessaging.SetListenerCallbacks(this.messageReceivedDelegate, this.tokenReceivedDelegate);
}