connectivity_first 1.0.0
connectivity_first: ^1.0.0 copied to clipboard
connectivity_first utilities for Flutter: automatic connectivity detection, robust local-first data handling, and BLoC-friendly helpers for resilient UI state management.
example/main.dart
// ignore_for_file: avoid_print
import 'package:connectivity_first/connectivity_first.dart';
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: ConnectivityFirstProvider(
onConnectivityRestored: () {
print('Internet restored!');
},
onConnectivityLost: () {
print('Internet lost!');
},
builder: const MyHomePage(),
),
);
}
}
class MyHomePage extends StatelessWidget {
const MyHomePage({super.key});
void buttonAction() {
if (ConnectivityFirstService().isConnected) {
ConnectivityFirstService().stopPeriodicCheck();
} else {
ConnectivityFirstService().startPeriodicCheck();
ConnectivityFirstService().checkConnectivity();
}
ConnectivityFirstService().restartListening();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Offline First Example')),
body: ConnectivityFirstApp(
builder: (isOnline) => Container(
alignment: Alignment.center,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
isOnline ? 'You are online' : 'You are offline',
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 18),
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: () {
if (isOnline) {
// Perform online action - maybe reload UI to get fresh data
ConnectivityFirstCommand.reloadAllUIs(context);
} else {
// Check connectivity when offline
ConnectivityFirstCommand.checkConnectivity(context);
}
},
child: Text(isOnline ? 'Refresh' : 'Check Connection'),
),
if (!isOnline) ...[
const SizedBox(height: 10),
ElevatedButton(
onPressed: () =>
ConnectivityFirstCommand.restartConnectivity(context),
child: const Text('Restart Connectivity'),
),
],
],
),
),
),
);
}
}