Observer<T> class

Constructors

Observer.fromFuture(Future<T> fetchData)

factory

Properties

canceled ↔ bool

getter/setter pair

completed ↔ bool

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

onData ↔ ValueSetter<T>

late, final

onDone ↔ VoidCallback?

late, final

onError ↔ ValueSetter<String>?

late, final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

cancel() → Future<void>

fetch({required ValueSetter<T> onData, ValueSetter<String>? onError, VoidCallback? onDone}) → void

listen({required ValueSetter<T> onData, ValueSetter<String>? onError, VoidCallback? onDone}) → void

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited