banner method
Implementation
BannerDelegate banner(
Widget content, {
Duration duration = const Duration(seconds: 3),
Duration animationDuration = const Duration(milliseconds: 300),
Duration delayDuration = Duration.zero,
Color? color,
bool autoShow = true,
BorderRadius? radius = const BorderRadius.all(Radius.circular(8)),
}) {
return showOverlay(
content,
top: 0,
right: 8,
left: 8,
margin: const EdgeInsets.only(top: 8),
showKey: _bannelToken,
duration: duration,
animationDuration: animationDuration,
delayDuration: delayDuration,
radius: radius,
color: color,
autoShow: autoShow,
position: NopOverlayPosition.top,
);
}