public void FirebaseObserveEventChildRemoved <T>(string nodeKey, Action <T> action)
{
DatabaseReference dr = FirebaseDatabase.Instance.GetReference(nodeKey);
ValueEventListener <T> listener = new ValueEventListener <T>(action);
dr.AddValueEventListener(listener);
DatabaseReferences.Add(nodeKey, dr);
ValueEventListeners.Add(nodeKey, listener);
}
public void AddValueEvent <T>(string nodeKey, Action <T> action)
{
DatabaseReference dr = GetDatabaseReference(nodeKey);
if (dr != null)
{
ValueEventListener <T> listener = new ValueEventListener <T>(action);
dr.AddValueEventListener(listener);
ValueEventListeners.Add(nodeKey, listener);
}
}