animatedOpacity method
Changes the opacity of Widget with Animation (default opacity:1.0, duration:Duration(milliseconds: 300)).
opacity The Opacity to handle opacity.
duration The duration of animation
Implementation
AnimatedOpacity animatedOpacity(
{double opacity = 1.0,
Duration duration = const Duration(milliseconds: 300)}) {
return AnimatedOpacity(
opacity: opacity,
duration: duration,
child: this,
);
}