alert function
Implementation
Future<void> alert(String title, dynamic content) async {
if (ExtendedService.instance.navigatorKey == null) throw ERROR_NAVIGATOR_KEY;
if (content is String == false) {
content = content.toString();
}
return showDialog(
context: ExtendedService.instance.navigatorKey!.currentContext!,
builder: (_) => AlertDialog(
title: Text(title),
content: Text(content),
actions: [
TextButton(
onPressed: () =>
Navigator.pop(ExtendedService.instance.navigatorKey!.currentContext!, true),
child: const Text('Ok')),
],
),
);
}