show method
Implementation
Future<void> show(BuildContext context, Widget child, int speed) async {
if (_isOpen == false) {
_hide(context, speed);
return;
}
final overlayState = Overlay.of(context);
_animationController = AnimationController(
vsync: overlayState,
duration: Duration(milliseconds: speed),
);
_overlayEntry = OverlayEntry(builder: (context) {
return AbsorbPointer(
absorbing: false,
child: Stack(
alignment: Alignment.bottomCenter,
children: [
SlideUpWidget(
animationController: _animationController, child: child),
],
),
);
});
overlayState.insert(_overlayEntry);
await _animationController.forward();
_isOpen = false;
}