createBlurFilterAnimation method
Implementation
Animation<double>? createBlurFilterAnimation() {
if (flushbar.routeBlur == null) return null;
return Tween(begin: 0.0, end: flushbar.routeBlur).animate(
CurvedAnimation(
parent: _controller!,
curve: const Interval(
0.0,
0.35,
curve: Curves.easeInOutCirc,
),
),
);
}