setNotifyDecider method
Implementation
void setNotifyDecider(NotifyDecider? decider) {
assert(_notifyDecider == null || decider == null,
'Cannot set multiple notify decider.');
if (_notifyDecider != null) {
_notifyDecider!.removeListener(_onDeciderChangeMind);
}
_notifyDecider = decider;
if (decider != null) {
decider.addListener(_onDeciderChangeMind);
}
}