value property

@override T? value

The current value of the object. When the value changes, the callbacks registered with addListener will be invoked.

Implementation

@override
T? get value {
  notifyChildrens();
  return _value;
}

@override void value=(T? newValue)

Implementation

@override
set value(T? newValue) {
  if (_value == newValue) return;
  _value = newValue;
  refresh();
}