jh_services 0.1.1 jh_services: ^0.1.1 copied to clipboard
A lightweight service package for Flutter to handle network requests, local storage, and connectivity seamlessly with best practices.
import 'package:flutter/material.dart';
import 'package:jh_services/jh_services.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
// Setup the service locator
setupServiceLocator(
sharedPrefsConfig: SharedPrefsConfig(),
connectivityConfig: ConnectivityConfig(),
networkConfig: NetworkConfig(
baseUrl:
"https://jsonplaceholder.typicode.com", // Fake API for example purposes
),
);
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final connectivityService = serviceLocator<ConnectivityService>();
final sharedPrefsService = serviceLocator<SharedPrefsService>();
final networkService = serviceLocator<NetworkService>();
bool isConnected = false;
String? apiData;
@override
void initState() {
super.initState();
_checkConnectivity();
_fetchApiData();
}
Future<void> _checkConnectivity() async {
isConnected = await connectivityService.isConnected();
setState(() {});
}
Future<void> _fetchApiData() async {
try {
final response =
await networkService.get('/posts/1'); // Fetching fake data
apiData = response['title']; // Assuming the response has a 'title' field
} on ServerException catch (e) {
apiData = e.errorModel.message;
}
setState(() {});
}
Future<void> _saveData() async {
await sharedPrefsService.saveString('exampleKey', 'exampleValue');
}
void _getData() {
String? value = sharedPrefsService.getString('exampleKey');
print('Saved value: $value');
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('jh_services Example')),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'Connectivity Status: ${isConnected ? "Connected" : "Not Connected"}'),
SizedBox(height: 20),
ElevatedButton(
onPressed: _saveData,
child: Text('Save Data'),
),
ElevatedButton(
onPressed: _getData,
child: Text('Retrieve Data'),
),
SizedBox(height: 20),
Text('API Data: ${apiData ?? "Loading..."}'),
],
),
),
);
}
}