setNetwork.dart
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import 'package:flutter/material.dart';
import 'package:flutter_mes2/utils/ToastUtil.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'https/dio_utils.dart';
import 'utils/Constant.dart';
class setNetwork extends StatefulWidget {
@override
State<StatefulWidget> createState() => StateFulWidgetDemo1State();
}
class StateFulWidgetDemo1State extends State<setNetwork> {
//手机号的控制器
TextEditingController networkController = TextEditingController();
var network;
save() async{
SharedPreferences prefs = await SharedPreferences.getInstance();
prefs.setString(Constant.NETWORK, network);
}
get() async{
SharedPreferences prefs = await SharedPreferences.getInstance();
network = prefs.getString(Constant.NETWORK);
setState(() {
});
}
@override
void initState() {
// TODO: implement initState
super.initState();
get();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('设置网络'),
centerTitle: true, // 标题居中
),
body:
Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Container(
margin: EdgeInsets.only(left:30, right: 30, bottom: 10),
child:
Text("网络地址：$network",style:TextStyle(fontSize: 16)),
),
Container(
margin: EdgeInsets.only(left:30, right: 30, bottom: 10),
child:
TextField(
controller: networkController,
decoration: InputDecoration(
border: OutlineInputBorder(),
contentPadding: EdgeInsets.all(10.0),
),),
),
Container(
height: 40,
margin: EdgeInsets.only(left:30, right: 30, bottom: 10, top: 10),
width: double.infinity,
child: RaisedButton(
onPressed: () {
network = Constant.DEFAULT_NETWORK;
networkController.text = Constant.DEFAULT_NETWORK;
},
child: Text('默认地址',
style: TextStyle(
fontSize: 20,
color: Colors.white
),),
color: Colors.deepOrangeAccent,
textColor: Colors.white,
shape: StadiumBorder(),
),
),
Container(
height: 40,
margin: EdgeInsets.only(left:30, right: 30, bottom: 10, top: 10),
width: double.infinity,
child: RaisedButton(
onPressed:() {
setState(() {
ToastUtil.showText( "设置成功");
network = networkController.value.text.toString();
save();
DioUtils.network = network;
});
},
child: Text('设置',
style: TextStyle(
fontSize: 20,
color: Colors.white
),),
color: Colors.deepOrangeAccent,
textColor: Colors.white,
shape: StadiumBorder(),
),
),
],
),
),
);
}
}