dispose method
override
Implementation
@override
void dispose() {
visibleItem.value = 12;
donationFocus.removeListener(_focusListener);
toAirportController.removeListener(_toAirPortListener);
fromAirportController.removeListener(_fromAirPortListener);
closeStream();
departureRes?.cancel();
if (isRoundTrip) {
returnRes?.cancel();
}
_clearTempChildrenFields();
super.dispose();
}