trigger method
Implementation
void trigger(int index) {
final expanded = _expanded[index] ?? false;
if (!multiple) {
_expanded.clear();
}
_expanded[index] = !expanded;
notifyListeners();
}
void trigger(int index) {
final expanded = _expanded[index] ?? false;
if (!multiple) {
_expanded.clear();
}
_expanded[index] = !expanded;
notifyListeners();
}