ValueNotifierAdapter class

Drives an Animate animation from a ValueNotifier. The value from the notifier should be in the range 0-1. Supply transformer to map other input ranges to animation progress.

See Adapter for information on direction and animated.

Inheritance

• Object
• Adapter
• ValueNotifierAdapter

Implementers

• ValueAdapter

Constructors

ValueNotifierAdapter(ValueNotifier<double> notifier, {double transformer(double value)?, bool? animated, Direction? direction})

Properties

animated → bool

final, inherited

direction → Direction?

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

notifier → ValueNotifier<double>

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

transformer → double Function(double value)?

Maps the notifier value on attachment and on every update, before applying Adapter.direction or animation. Finite results are clamped to 0-1; non-finite results throw ArgumentError without changing progress. When omitted, notifier values are passed through as before.

final

Methods

attach(AnimationController controller) → void

override

config(AnimationController controller, double value, {ChangeNotifier? notifier, VoidCallback? listener}) → void

inherited

detach() → void

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

updateValue(double value) → void

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited