SignInPage.dart
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import './DashBoard.dart';
class SignInPage extends StatefulWidget {
@override
_SignInPageState createState() => _SignInPageState();
}
///
class _SignInPageState extends State<SignInPage> {
bool passwordVisible = false;
bool _validateEmail = false;
bool _validatePassword = false;
final emailController = TextEditingController();
final passwordController = TextEditingController();
Widget build(BuildContext context) {
final Size size = MediaQuery.of(context).size;
final mqData = MediaQuery.of(context);
final mqDataScale = mqData.copyWith(textScaleFactor: 1.0);
return WillPopScope(
onWillPop: () {
if (Navigator.canPop(context)) {
//Navigator.pop(context);
Navigator.of(context).pop();
} else {
SystemNavigator.pop();
}
},
child: Scaffold(
body: Builder(
builder: (BuildContext context) {
return ListView(
children: <Widget>[
Padding(
padding: EdgeInsets.only(top: 25, left: 18, right: 18),
child: Stack(
children: <Widget>[
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 0, 0),
child: Text('로그인',
textScaleFactor: 1.0,
style: TextStyle(
fontSize: 34,
fontFamily: 'Noto',
fontWeight: FontWeight.bold)),
),
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),
child: new Column(
children: <Widget>[
MediaQuery(
data: mqDataScale,
child: TextFormField(
keyboardType: TextInputType.text,
controller: emailController,
decoration: InputDecoration(
labelText: '이메일',
helperText: '이메일 주소를 입력해주세요.',
contentPadding:
EdgeInsets.fromLTRB(0, 5, 0, 5),
errorText: _validateEmail
? '등록되지 않은 아이디입니다.'
: null,
labelStyle: TextStyle(
fontSize: 14,
color: Color(0xff000000)),
helperStyle: TextStyle(
fontSize: 12,
color: Color(0xffb2b2b2)),
// Here is key idea
),
),
)
],
),
),
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
child: new Column(
children: <Widget>[
MediaQuery(
data: mqDataScale,
child: TextFormField(
keyboardType: TextInputType.text,
controller: passwordController,
obscureText:
!passwordVisible, //This will obscure text dynamically
decoration: InputDecoration(
labelText: '비밀번호',
helperText: '비밀번호를 입력해 주세요.',
errorText: _validatePassword
? '비밀번호가 일치하지 않습니다.'
: null,
labelStyle: TextStyle(
fontSize: 14,
color: Color(0xff000000)),
helperStyle: TextStyle(
fontSize: 12,
color: Color(0xffb2b2b2)),
// Here is key idea
suffixIcon: IconButton(
icon: Icon(
// Based on passwordVisible state choose the icon
passwordVisible
? Icons.visibility
: Icons.visibility_off,
color: Color(0xff2c2c2c),
),
onPressed: () {
// Update the state i.e. toogle the state of passwordVisible variable
setState(() {
passwordVisible = !passwordVisible;
});
},
),
),
),
)
],
),
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Container(
width: size.width * 0.8,
height: 46,
child: RaisedButton(
color: Color(0xff1674f6),
child: Text("로그인",
textScaleFactor: 1.0,
style: TextStyle(
color: Colors.white,
fontSize: 16,
fontFamily: 'Noto',
fontWeight: FontWeight.bold)),
onPressed: () async {
String saveMessage;
if (emailController.text.isEmpty ||
passwordController.text.isEmpty) {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: new Text('이메일 & 비밀번호'),
content: new Text(
'이메일과 비밀번호를 입력해주세요.'),
actions: <Widget>[
new FlatButton(
child: new Text('Close'),
onPressed: () {
Navigator.of(context)
.pop();
})
],
);
});
} else {
emailController.text =
emailController.text.trim();
passwordController.text =
passwordController.text.trim();
saveMessage = "로그인 성공";
if (saveMessage == "로그인 성공") {
Navigator.push(
context,
MaterialPageRoute(
builder: (BuildContext context) =>
DashBoard(pageNumber: 0),
));
}
}
},
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20)),
),
),
],
),
],
),
],
),
),
],
);
},
),
),
);
}
}