Flutter 登录页-12

源码下载

依赖包

  • flutter_svg

要点

具有前导图标的文本框

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Row(
children: [
SvgPicture.asset("assets/email.svg", width: 20, height: 20),
const SizedBox(width: 17),
Expanded(
child: TextFormField(
style: const TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
decoration: const InputDecoration(
border: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
enabledBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
focusedBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
errorBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
labelText: "Email Address",
labelStyle: TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
),
],
),

代码实现

main.dart
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import 'package:flutter/material.dart';
import 'package:login_12/homepage.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);

@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'My App',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const HomePage(),
);
}
}
homepage.dart
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import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';

class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);

@override
State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
final _formKey = GlobalKey<FormState>();
@override
Widget build(BuildContext context) {
return Container(
decoration: BoxDecoration(
image: DecorationImage(
image: const AssetImage("assets/bg.png"),
alignment: Alignment.topCenter,
fit: BoxFit.fitHeight,
colorFilter: ColorFilter.mode(Colors.black.withOpacity(0.76), BlendMode.darken),
),
),
child: Scaffold(
backgroundColor: Colors.transparent,
body: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 30),
child: Form(
key: _formKey,
child: Column(
children: [
const SizedBox(height: 100),
const Center(
child: Text(
"SIGN IN",
style: TextStyle(
fontFamily: "SFUIText",
fontSize: 32,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
const SizedBox(height: 141),
Row(
children: [
SvgPicture.asset("assets/email.svg", width: 20, height: 20),
const SizedBox(width: 17),
Expanded(
child: TextFormField(
style: const TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
decoration: const InputDecoration(
border: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
enabledBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
focusedBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
errorBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
labelText: "Email Address",
labelStyle: TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
),
],
),
const SizedBox(height: 20),
Row(
children: [
SvgPicture.asset("assets/unlock.svg", width: 20, height: 20),
const SizedBox(width: 17),
Expanded(
child: TextFormField(
style: const TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
decoration: const InputDecoration(
border: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
enabledBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
focusedBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
errorBorder: UnderlineInputBorder(
borderSide: BorderSide(
color: Color(0xffccccd0),
),
),
labelText: "Password",
labelStyle: TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
),
),
],
),
const SizedBox(height: 10),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: const [
Text(
"Forgot your password?",
style: TextStyle(
fontFamily: "SFUIText",
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
],
),
const SizedBox(height: 79),
SizedBox(
height: 50,
width: double.infinity,
child: ElevatedButton(
onPressed: () {},
child: const Text(
"SIGN IN",
style: TextStyle(
fontFamily: "SFUIText",
fontSize: 14,
fontWeight: FontWeight.bold,
color: Colors.black,
),
),
style: ElevatedButton.styleFrom(
primary: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
),
),
],
),
),
),
),
);
}
}