QueryResultNotifier<T> class Null safety

A ValueNotifier holds AsyncQueryResult

Inheritance

Constructors

QueryResultNotifier([AsyncQueryResult<T>? initialState])
Create new ValueNotifier
QueryResultNotifier.initialValue(T initialValue)
Create new Notifier with given intial value of the query InitialValueResult will be used

Properties

hashCode int
The hash code for this object.
read-onlyinherited
hasListeners bool
Whether any listeners are currently registered.
@protectedread-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
value AsyncQueryResult<T>
The current value stored in this notifier.
read / writeinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
captureResult(Future<T> future) Future<QueryResult<T>>
Capture the result of a generic aync query
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
@mustCallSuperinherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() String
A string representation of this object.
inherited
updateWith(Future<QueryResult<T>> future) Future<QueryResult<T>>
Update self with future QueryResult

Operators

operator ==(Object other) bool
The equality operator.
inherited