system_proxy/example/lib/main.dart
2019-07-23 18:10:24 +08:00

63 lines
1.5 KiB
Dart

import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:system_proxy/system_proxy.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _proxyStr = 'loading';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String proxyStr;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
Map<String, String> proxy = await SystemProxy.getProxySettings();
if (proxy != null) {
proxyStr = '${proxy["host"]}:${proxy["port"]}';
}
else {
proxyStr = 'no proxy';
}
} on PlatformException {
proxyStr = 'Failed to get system proxy.';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_proxyStr = proxyStr;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('SystemProxy Plugin example app'),
),
body: Center(
child: Text('proxy setting on: $_proxyStr\n'),
),
),
);
}
}