dispose method

@override void dispose()

disposes of the model releasing resources and removing bindings

Implementation

@override
// framework level dispose can happen asynchronously
void dispose() async {

  disposed = true;

  // dispose header model
  header?.dispose();

  // dispose footer model
  footer?.dispose();

  // dispose drawer model
  drawer?.dispose();

  // clear event listeners
  eventManager.listeners.clear();

  // cleanup children
  super.dispose();
}