unregister method
Implementation
void unregister(String eventName, EventCenterCallback? callback) {
if (callback != null) {
var list = _messageQueue[eventName];
if (list != null) {
list.remove(callback);
}
}
}
void unregister(String eventName, EventCenterCallback? callback) {
if (callback != null) {
var list = _messageQueue[eventName];
if (list != null) {
list.remove(callback);
}
}
}