show method
Implementation
void show({
required String message,
String? actionText,
VoidCallback? actionCallback,
}) {
if (!mounted) return;
final now = DateTime.now();
if (_lastMessage == message &&
_lastShownAt != null &&
now.difference(_lastShownAt!) < _dedupeWindow) {
return;
}
_lastMessage = message;
_lastShownAt = now;
_dismissTimer?.cancel();
setState(() {
_message = message;
_actionText = actionText;
_actionCallback = actionCallback;
});
_animController.forward(from: 0);
_dismissTimer = Timer(_displayDuration, _dismiss);
}