AirStateKey<T> class
abstract
Base class for typed state keys.
This abstract class allows defining strong types for state keys, avoiding magic strings and enabling type-safe interaction with the Air state management system.
Subclasses should define the generic type T representing the type of data held in state.
- Available extensions
Constructors
- AirStateKey(String key, {T? defaultValue})
-
Creates an AirStateKey with a required
keyand optionaldefaultValue.const
Properties
- defaultValue → T?
-
The default value returned when the state has not been initialized.
final
- hashCode → int
-
The hash code for this object.
no setteroverride
- key → String
-
The unique string identifier used in the Air state map.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value ↔ T
-
Available on AirStateKey<
Gets the current value from global state.T> , provided by the AirStateKeyBuilder extensiongetter/setter pair
Methods
-
build(
Widget builder(BuildContext context, T value)) → Widget -
Available on AirStateKey<
Builds a widget that listens to this state key.T> , provided by the AirStateKeyBuilder extension -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override