Login Scroll Disable Background Inside Stack In Flutter :
Screenshot :
Login scroll disable background inside stack.dart
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/screenutil.dart';
class LoginPage extends StatefulWidget {
final bool enableArrow;
LoginPage({Key key, this.enableArrow = false}) : super(key: key);
@override
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
bool pwdSwitch = false;
GlobalKey _formKey = GlobalKey<FormState>();
TextEditingController _unameController = TextEditingController();
TextEditingController _pwdController = TextEditingController();
@override
Widget build(BuildContext context) {
ScreenUtil.init(context,
width: 375, height: 812 - 44 - 34, allowFontScaling: true);
return Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/login/bg.png'), fit: BoxFit.cover)),
child: Scaffold(
backgroundColor: Colors.transparent,
body: SingleChildScrollView(
child: Stack(children: <Widget>[
Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
SizedBox(height: duSetHeight(160)),
Padding(
padding: EdgeInsets.symmetric(horizontal: 20),
child: Container(
width: double.infinity,
padding: EdgeInsets.symmetric(horizontal: 20),
decoration: BoxDecoration(
color: Colors.white.withOpacity(.7),
borderRadius:
BorderRadius.all(Radius.circular(20))),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
SizedBox(height: duSetHeight(80)),
Form(
key: _formKey,
autovalidateMode:
AutovalidateMode.disabled,
child: Column(
mainAxisAlignment:
MainAxisAlignment.start,
crossAxisAlignment:
CrossAxisAlignment.center,
children: <Widget>[
TextFormField(
controller: _unameController,
decoration: InputDecoration(
prefixIcon: Icon(
Icons.account_circle,
color: Colors.blueAccent,
),
filled: true,
fillColor:
HexColor('#EFEFEF'),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Color(
0x00FF0000)),
borderRadius:
BorderRadius.all(
Radius.circular(
100))),
hintText: 'Email',
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Color(
0x00000000)),
borderRadius:
BorderRadius.all(
Radius.circular(
100))))),
SizedBox(height: duSetHeight(20)),
TextFormField(
controller: _pwdController,
keyboardType:
TextInputType.visiblePassword,
decoration: InputDecoration(
prefixIcon: Icon(
Icons.offline_bolt,
color: Colors.blueAccent,
),
filled: true,
fillColor:
HexColor('#EFEFEF'),
enabledBorder:
OutlineInputBorder(
borderSide: BorderSide(
color: Color(
0x00FF0000)),
borderRadius:
BorderRadius.all(
Radius.circular(
100))),
hintText: 'Password',
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Color(
0x00000000)),
borderRadius:
BorderRadius.all(
Radius.circular(
100))),
suffixIcon:
_pwdController.text != ''
? GestureDetector(
onTap: () =>
setState(() =>
pwdSwitch =
!pwdSwitch),
child: Icon(
Icons
.remove_red_eye,
size:
duSetHeight(
20),
color: pwdSwitch
? Colors
.blueAccent
: Colors
.blueGrey
.withOpacity(
.5)),
)
: SizedBox()),
obscureText: !pwdSwitch,
),
SizedBox(height: duSetHeight(10)),
Row(
mainAxisAlignment:
MainAxisAlignment.end,
children: <Widget>[
Padding(
padding:
EdgeInsets.symmetric(
horizontal: 10),
child: RichText(
textAlign:
TextAlign.right,
text: TextSpan(
text:
"Forgot password? ",
style: TextStyle(
fontSize: 15,
fontWeight:
FontWeight
.w500,
color: Colors
.blueAccent,
),
recognizer:
TapGestureRecognizer()
..onTap =
() async {
//NavUtil.push()
})))
]),
SizedBox(height: duSetHeight(20)),
Container(
width: duSetWidth(150),
height: 50,
child: FlatButton(
colorBrightness:
Brightness.dark,
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(
25.0)),
onPressed: () {},
child: Text("Login",
style: TextStyle(
fontSize:
duSetFontSize(15),
fontWeight:
FontWeight.w500,
color: Colors.white)),
color: Colors.blueAccent,
)),
SizedBox(height: duSetHeight(20))
]))
])))
]),
Center(
child: Padding(
padding: EdgeInsets.only(top: duSetHeight(100)),
child: Container(
width: 100,
height: 100,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.white,
boxShadow: <BoxShadow>[
BoxShadow(
color: Colors.grey.withOpacity(0.6),
offset: const Offset(2.0, 4.0),
blurRadius: 8.0)
]),
child: ClipRRect(
borderRadius: const BorderRadius.all(
(Radius.circular(75.0))),
child: Image.asset('assets/daniel.jpg')))))
]))));
}
}
double duSetWidth(double width) {
return ScreenUtil().setWidth(width);
}
double duSetHeight(double height) {
return ScreenUtil().setHeight(height);
}
double duSetFontSize(double fontSize) {
return ScreenUtil().setSp(fontSize);
}
class HexColor extends Color {
HexColor(final String hexColor) : super(_getColorFromHex(hexColor));
static int _getColorFromHex(String hexColor) {
hexColor = hexColor.toUpperCase().replaceAll('#', '');
if (hexColor.length == 6) {
hexColor = 'FF' + hexColor;
}
return int.parse(hexColor, radix: 16);
}
}
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