show method

void show(
  1. Object page, {
  2. required bool isOpen,
  3. required VoidCallback start,
})

Called by the page on screen whenever its explanation opens or closes. start opens it.

Implementation

void show(Object page, {required bool isOpen, required VoidCallback start}) {
  _start = start;
  if (identical(_page, page) && _isOpen == isOpen) return;

  _page = page;
  _isOpen = isOpen;
  notifyListeners();
}