cynic 0.2.0 cynic: ^0.2.0 copied to clipboard
Utilities for offline-first development.
cynic #
Utilities for offline-first development.
Warning: This is not an official Google or Dart project.
Usage #
This library works in Flutter and the standalone Dart VM.
dependencies:
cynic: ^0.2.0
Determine online status #
import 'package:cynic/cynic.dart';
main() async {
print('Connected: ${await isOnline()}');
}
Create and monitor a list of reachable services #
import 'package:cynic/cynic.dart';
final microServices = const [
Reachable.googleDns, // 99.9% uptime helper
const Reachable.ip('172.217.19.227', name: 'My API Server'),
];
final mirrors = const [
const Reachable.ip('216.58.204.131', name: 'My CDN A'),
const Reachable.ip('5.5.5.5', name: 'My CDN B'), // not online
];
main() async {
var all = await Reachable.all(microServices);
if (all) {
print('All servers are online');
}
var any = await Reachable.any(mirrors);
if (any) {
print('At least one server is online');
}
}