disposeAll method

void disposeAll()

Implementation

void disposeAll() {
  _substitutions?.dispose();
  _timetable?.dispose();
  _calendar?.dispose();
  _conversations?.dispose();
  _lessonsStudent?.dispose();
  _lessonsTeacher?.dispose();
  _dataStorage?.dispose();
  _studyGroups?.dispose();
  _substitutions = null;
  _timetable = null;
  _calendar = null;
  _conversations = null;
  _lessonsStudent = null;
  _lessonsTeacher = null;
  _dataStorage = null;
  _studyGroups = null;
}