FirebaseList class

Sorts the results of query on the client side using DataSnapshot.key.

Inheritance
Mixed in types
Available Extensions

Constructors

FirebaseList({@required Query? query, ChildCallback? onChildAdded, ChildCallback? onChildRemoved, ChildCallback? onChildChanged, ChildMovedCallback? onChildMoved, ValueCallback? onValue, ErrorCallback? onError})

Properties

first ↔ DataSnapshot?
The first element.
getter/setter pairinherited
hashCode → int?
The hash code for this object.
no setterinherited
isEmpty → bool?
Whether this collection has no elements.
no setterinherited
isNotEmpty → bool?
Whether this collection has at least one element.
no setterinherited
iterator → Iterator<DataSnapshot?>?
A new Iterator that allows iterating the elements of this Iterable.
no setterinherited
last ↔ DataSnapshot?
The last element.
getter/setter pairinherited
length ↔ int?
The number of objects in this list.
getter/setter pairoverride
onChildAdded → ChildCallback?
Called when the child has been added
final
onChildChanged → ChildCallback?
Called when the child has changed
final
onChildMoved → ChildMovedCallback?
Called when the child has moved
final
onChildRemoved → ChildCallback?
Called when the child has been removed
final
onError → ErrorCallback?
Called when an error is reported (e.g. permission denied)
final
onValue → ValueCallback?
Called when the data of the list has finished loading
final
query → Query?
Database query used to populate the list
final
reversed → Iterable<DataSnapshot?>?
An Iterable of the objects in this list in reverse order.
no setterinherited
runtimeType → Type?
A representation of the runtime type of the object.
no setterinherited
single → DataSnapshot?
Checks that this iterable has only one element, and returns that element.
no setterinherited

Methods

add(DataSnapshot? element) → void
Adds value to the end of this list, extending the length by one.
inherited
addAll(Iterable<DataSnapshot?>? iterable) → void
Appends all objects of iterable to the end of this list.
inherited
any(bool? test(DataSnapshot? element)?) → bool?
Checks whether any element of this iterable satisfies test.
inherited
asMap() → Map<int?, DataSnapshot?>?
An unmodifiable Map view of this list.
inherited
cancelSubscriptions() → void
Cancels all streams that were previously added with listen().
inherited
cast<R>() → List<R?>?
Returns a view of this list as a list of R instances.
inherited
clear() → void
Removes all objects from this list; the length of the list becomes zero.
override
contains(Object? element) → bool?
Whether the collection contains an element equal to element.
inherited
elementAt(int? index) → DataSnapshot?
Returns the indexth element.
inherited
every(bool? test(DataSnapshot? element)?) → bool?
Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T?>? f(DataSnapshot? element)?) → Iterable<T?>?
Expands each element of this Iterable into zero or more elements.
inherited
fillRange(int? start, int? end, [DataSnapshot? fill]) → void
Overwrites a range of elements with fillValue.
inherited
firstWhere(bool? test(DataSnapshot? element)?, {DataSnapshot? orElse()?}) → DataSnapshot?
The first element that satisfies the given predicate test.
inherited
fold<T>(T? initialValue, T? combine(T? previousValue, DataSnapshot? element)?) → T?
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
inherited
followedBy(Iterable<DataSnapshot?>? other) → Iterable<DataSnapshot?>?
Creates the lazy concatenation of this iterable and other.
inherited
forEach(void action(DataSnapshot? element)?) → void
Invokes action on each element of this iterable in iteration order.
inherited
getRange(int? start, int? end) → Iterable<DataSnapshot?>?
Creates an Iterable that iterates over a range of elements.
inherited
indexOf(Object? element, [int? start = 0]) → int?
The first index of element in this list.
inherited
indexWhere(bool? test(DataSnapshot? element)?, [int? start = 0]) → int?
The first index in the list that satisfies the provided test.
inherited
insert(int? index, DataSnapshot? element) → void
Inserts element at position index in this list.
inherited
insertAll(int? index, Iterable<DataSnapshot?>? iterable) → void
Inserts all objects of iterable at position index in this list.
inherited
join([String? separator = ""]) → String?
Converts each element to a String and concatenates the strings.
inherited
lastIndexOf(Object? element, [int? start]) → int?
The last index of element in this list.
inherited
lastIndexWhere(bool? test(DataSnapshot? element)?, [int? start]) → int?
The last index in the list that satisfies the provided test.
inherited
lastWhere(bool? test(DataSnapshot? element)?, {DataSnapshot? orElse()?}) → DataSnapshot?
The last element that satisfies the given predicate test.
inherited
listen(Stream<Event?>? stream, void onData(Event? data)?, {Function? onError}) → void
Listens to a stream and saves it to the list of subscriptions.
inherited
map<T>(T? f(DataSnapshot? element)?) → Iterable<T?>?
The current elements of this iterable modified by toElement.
inherited
noSuchMethod(Invocation? invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reduce(DataSnapshot? combine(DataSnapshot? previousValue, DataSnapshot? element)?) → DataSnapshot?
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
remove(Object? element) → bool?
Removes the first occurrence of value from this list.
inherited
removeAt(int? index) → DataSnapshot?
Removes the object at position index from this list.
inherited
removeLast() → DataSnapshot?
Removes and returns the last object in this list.
inherited
removeRange(int? start, int? end) → void
Removes a range of elements from the list.
inherited
removeWhere(bool? test(DataSnapshot? element)?) → void
Removes all objects from this list that satisfy test.
inherited
replaceRange(int? start, int? end, Iterable<DataSnapshot?>? newContents) → void
Replaces a range of elements with the elements of replacements.
inherited
retainWhere(bool? test(DataSnapshot? element)?) → void
Removes all objects from this list that fail to satisfy test.
inherited
setAll(int? index, Iterable<DataSnapshot?>? iterable) → void
Overwrites elements with the objects of iterable.
inherited
setRange(int? start, int? end, Iterable<DataSnapshot?>? iterable, [int? skipCount = 0]) → void
Writes some elements of iterable into a range of this list.
inherited
shuffle([Random? random]) → void
Shuffles the elements of this list randomly.
inherited
singleWhere(bool? test(DataSnapshot? element)?, {DataSnapshot? orElse()?}) → DataSnapshot?
The single element that satisfies test.
inherited
skip(int? count) → Iterable<DataSnapshot?>?
Creates an Iterable that provides all but the first count elements.
inherited
skipWhile(bool? test(DataSnapshot? element)?) → Iterable<DataSnapshot?>?
Creates an Iterable that skips leading elements while test is satisfied.
inherited
sort([int? compare(DataSnapshot? a, DataSnapshot? b)?]) → void
Sorts this list according to the order specified by the compare function.
inherited
sublist(int? start, [int? end]) → List<DataSnapshot?>?
Returns a new list containing the elements between start and end.
inherited
take(int? count) → Iterable<DataSnapshot?>?
Creates a lazy iterable of the count first elements of this iterable.
inherited
takeWhile(bool? test(DataSnapshot? element)?) → Iterable<DataSnapshot?>?
Creates a lazy iterable of the leading elements satisfying test.
inherited
toList({bool? growable = true}) → List<DataSnapshot?>?
Creates a List containing the elements of this Iterable.
inherited
toSet() → Set<DataSnapshot?>?
Creates a Set containing the same elements as this iterable.
inherited
toString() → String?
A string representation of this object.
inherited
where(bool? test(DataSnapshot? element)?) → Iterable<DataSnapshot?>?
Creates a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereType<T>() → Iterable<T?>?
Creates a new lazy Iterable with all elements that have type T.
inherited

Operators

operator +(List<DataSnapshot?>? other) → List<DataSnapshot?>?
Returns the concatenation of this list and other.
inherited
operator ==(Object? other) → bool?
The equality operator.
inherited
operator [](int? index) → DataSnapshot?
The object at the given index in the list.
override
operator []=(int? index, DataSnapshot? value) → void
Sets the value at the given index in the list to value.
override