private void SetupQueryParameters(Guid?tokenOverride = null) { Guid token = tokenOverride ?? PreferencesHelper.GetAuthenticationToken(this) ?? Guid.Empty; Guid requestIdentifier = Guid.NewGuid( ); string deviceIdentifier = Settings.Secure.GetString(ContentResolver, Settings.Secure.AndroidId); string checkSum = CryptoHelper.GenerateApiSignedHash(requestIdentifier, deviceIdentifier, CoreConfig.TestConsumerSecret); QueryParameters.SetupBaseQueryParameters(token.ToString( ), requestIdentifier.ToString( ), deviceIdentifier, checkSum); }