public async Task <FirebaseAuth> GetAuth() { if (_auth == null) { _auth = _accountStoreService.GetValue <FirebaseAuth>(FIREBASE_AUTH_ACCOUNT_PROPERTIES_KEY); // if auth wasn't in storage either, just return null if (_auth == null) { return(null); } } if (_auth.IsExpired()) { try { // exception being thrown here sometimes _auth = await FirebaseAuthProvider.RefreshAuthAsync(_auth); SaveAuthToAccount(); } catch (Exception ex) { Debug.WriteLine("Encountered exception refreshing FirebaseAuth token: " + ex.Message); } } return(_auth); }