FirebaseSortedList constructor
FirebaseSortedList({
- @required Query? query,
- @required Comparator<
DataSnapshot?> ? comparator, - ChildCallback? onChildAdded,
- ChildCallback? onChildRemoved,
- ChildCallback? onChildChanged,
- ValueCallback? onValue,
- ErrorCallback? onError,
Implementation
FirebaseSortedList({
@required this.query,
@required this.comparator,
this.onChildAdded,
this.onChildRemoved,
this.onChildChanged,
this.onValue,
this.onError,
}) : assert(query != null),
assert(comparator != null) {
listen(query.onChildAdded, _onChildAdded, onError: _onError);
listen(query.onChildRemoved, _onChildRemoved, onError: _onError);
listen(query.onChildChanged, _onChildChanged, onError: _onError);
listen(query.onValue, _onValue, onError: _onError);
}