Flutter 离线
一款优秀的工具,可像老板一样处理离线/在线连接。它同时支持 iOS 和 Android 平台(当然)。



安装
dependencies:
flutter_offline: "^0.2.2"
⚡️ 导入
import 'package:flutter_offline/flutter_offline.dart';
? 如何使用
import 'package:flutter/material.dart';
import 'package:flutter_offline/flutter_offline.dart';
class DemoPage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text("Offline Demo"),
),
body: OfflineBuilder(
connectivityBuilder: (
BuildContext context,
ConnectivityResult connectivity,
Widget child,
) {
final bool connected = connectivity != ConnectivityResult.none;
return new Stack(
fit: StackFit.expand,
children: [
Positioned(
height: 24.0,
left: 0.0,
right: 0.0,
child: Container(
color: connected ? Color(0xFF00EE44) : Color(0xFFEE4400),
child: Center(
child: Text("${connected ? 'ONLINE' : 'OFFLINE'}"),
),
),
),
Center(
child: new Text(
'Yay!',
),
),
],
);
},
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
new Text(
'There are no bottons to push :)',
),
new Text(
'Just turn off your internet.',
),
],
),
),
);
}
}
更多信息,请参考示例中的main.dart。