createColorFilterAnimation method
Implementation
Animation<Color?>? createColorFilterAnimation() {
if (flushbar.routeColor == null) return null;
return ColorTween(begin: Colors.transparent, end: flushbar.routeColor)
.animate(
CurvedAnimation(
parent: _controller!,
curve: const Interval(
0.0,
0.35,
curve: Curves.easeInOutCirc,
),
),
);
}