didExceedDeadline method Null safety
override
Override to be notified when deadline is exceeded.
You must override this method or didExceedDeadlineWithEvent if you
supply a deadline. Subclasses that override this method must not
call super.didExceedDeadline()
.
Implementation
@override
void didExceedDeadline() {
// Exceeding the deadline puts the gesture in the accepted state.
resolve(GestureDisposition.accepted);
_longPressAccepted = true;
super.acceptGesture(primaryPointer!);
_checkLongPressStart();
}