private String createLengthMinutesXml(double lengthMinutes){
  return "<length_minutes>" + Double.toString(lengthMinutes) + "</length_minutes>";
}

private String createLengthMinutesXml ( double lengthMinutes ) { return "<length_minutes>" + Double . toString ( lengthMinutes ) + "</length_minutes>" ; }
a helper function to create an xml string representing a timer moment ' s ' length_minutes ' element .
