Flutter 登录页-15

源码下载

依赖包

  • google_fonts

要点:Container嵌套Contier,子组件外层使用 Center 将尺寸约束变为松约束。

完整代码

main.dart
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
import 'package:flutter/material.dart';
import 'package:login_15/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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.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>();
bool password = true;

@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Color(0xff3e4050),
body: SingleChildScrollView(
child: Form(
key: _formKey,
child: SizedBox(
width: double.infinity,
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Padding(
padding: const EdgeInsets.only(top: 87),
child: Container(
height: 174,
width: 174,
decoration: BoxDecoration(
color: Colors.transparent,
border: Border.all(
width: 1,
color: const Color(0xffa4c3d0).withOpacity(0.15),
),
borderRadius: BorderRadius.circular(174),
),
child: Center(
child: Container(
height: 135,
width: 135,
decoration: BoxDecoration(
color: Colors.transparent,
border: Border.all(
width: 1,
color: const Color(0xffa4c3d0).withOpacity(0.15),
),
borderRadius: BorderRadius.circular(135),
image: const DecorationImage(
image: AssetImage("assets/profile.png"),
),
),
),
),
),
),
const SizedBox(height: 75),
Text(
"Please login to continue",
style: GoogleFonts.montserrat(
fontSize: 13.59,
fontWeight: FontWeight.w600,
color: Colors.white,
),
),
const SizedBox(height: 27),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Column(
children: [
TextFormField(
style: GoogleFonts.montserrat(
fontSize: 13.59,
color: const Color(0xff7f8c99),
),
decoration: InputDecoration(
hintText: "codedecoders@gmail.com",
hintStyle: GoogleFonts.montserrat(
fontSize: 13.59,
color: const Color(0xff7f8c99),
),
prefixIcon: const Icon(
Icons.account_circle,
color: Color(0xff009b99),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
fillColor: const Color(0xff333443),
filled: true,
),
),
const SizedBox(height: 11),
TextFormField(
style: GoogleFonts.montserrat(
fontSize: 13.59,
color: const Color(0xff7f8c99),
),
decoration: InputDecoration(
hintText: "******",
hintStyle: GoogleFonts.montserrat(
fontSize: 13.59,
color: const Color(0xff7f8c99),
),
prefixIcon: const Icon(
Icons.lock,
color: Color(0xff009b99),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(50),
borderSide: const BorderSide(color: Colors.transparent),
),
fillColor: const Color(0xff333443),
filled: true,
suffixIcon: IconButton(
icon: Icon(
Icons.remove_red_eye,
color: password == false ? const Color(0xff009b99) : const Color(0xff7f8c99),
),
onPressed: () {
setState(() {
password = !password;
});
},
),
),
obscureText: true,
),
const SizedBox(height: 30),
SizedBox(
height: 45,
width: double.infinity,
child: MaterialButton(
onPressed: () {},
child: Text(
"SIGN IN",
style: GoogleFonts.montserrat(
fontSize: 11.78,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
color: const Color(0xff009b99),
elevation: 0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(22.64),
),
),
),
const SizedBox(height: 25),
Center(
child: RichText(
text: TextSpan(
text: "Don't have an account? ",
style: GoogleFonts.montserrat(
fontSize: 11.78,
fontWeight: FontWeight.w600,
color: Colors.white,
),
children: [
TextSpan(
text: " Create one.",
style: GoogleFonts.montserrat(
fontSize: 11.78,
fontWeight: FontWeight.w600,
color: const Color(0xff242643),
)),
],
),
),
)
],
),
),
],
),
),
),
),
);
}
}