fadeoutOpacityAnimation property
An opacity Animation that dictates the opacity of the thumb. Changes in value of this Listenable will automatically trigger repaints. Mustn't be null.
Implementation
final Animation<double> fadeoutOpacityAnimation;
An opacity Animation that dictates the opacity of the thumb. Changes in value of this Listenable will automatically trigger repaints. Mustn't be null.
final Animation<double> fadeoutOpacityAnimation;