-
Notifications
You must be signed in to change notification settings - Fork 7
/
main.dart
190 lines (170 loc) · 4.76 KB
/
main.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
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:roulette/roulette.dart';
import 'arrow.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: 'Roulette',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const HomePage(),
);
}
}
class MyRoulette extends StatelessWidget {
const MyRoulette({
Key? key,
required this.controller,
}) : super(key: key);
final RouletteController controller;
@override
Widget build(BuildContext context) {
return Stack(
alignment: Alignment.topCenter,
children: [
SizedBox(
width: 260,
height: 260,
child: Padding(
padding: const EdgeInsets.only(top: 30),
child: Roulette(
// Provide controller to update its state
controller: controller,
// Configure roulette's appearance
style: const RouletteStyle(
dividerThickness: 0.0,
dividerColor: Colors.black,
centerStickSizePercent: 0.05,
centerStickerColor: Colors.black,
),
),
),
),
const Arrow(),
],
);
}
}
class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage>
with SingleTickerProviderStateMixin {
static final _random = Random();
late RouletteController _controller;
bool _clockwise = true;
final colors = <Color>[
Colors.red.withAlpha(50),
Colors.green.withAlpha(30),
Colors.blue.withAlpha(70),
Colors.yellow.withAlpha(90),
Colors.amber.withAlpha(50),
Colors.indigo.withAlpha(70),
];
final icons = <IconData>[
Icons.ac_unit,
Icons.access_alarm,
Icons.access_time,
Icons.accessibility,
Icons.account_balance,
Icons.account_balance_wallet,
];
final images = <ImageProvider>[
// Use [AssetImage] if you have 2.0x, 3.0x images,
// We only have 1 exact image here
const ExactAssetImage("asset/gradient.jpg"),
const NetworkImage("https://picsum.photos/seed/example1/400"),
const ExactAssetImage("asset/gradient.jpg"),
const NetworkImage("https://bad.link.to.image"),
const ExactAssetImage("asset/gradient.jpg"),
const NetworkImage("https://picsum.photos/seed/example5/400"),
// MemoryImage(...)
// FileImage(...)
// ResizeImage(...)
];
@override
void initState() {
super.initState();
assert(colors.length == icons.length);
assert(colors.length == images.length);
_controller = RouletteController(
vsync: this,
group: RouletteGroup.uniformImages(
colors.length,
colorBuilder: (index) => colors[index],
imageBuilder: (index) => images[index],
textBuilder: (index) {
if (index == 0) return 'Hi';
return '';
},
styleBuilder: (index) {
return const TextStyle(color: Colors.black);
},
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Roulette'),
),
body: Container(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
"Clockwise: ",
style: TextStyle(fontSize: 18),
),
Switch(
value: _clockwise,
onChanged: (onChanged) {
setState(() {
_controller.resetAnimation();
_clockwise = !_clockwise;
});
},
),
],
),
MyRoulette(controller: _controller),
],
),
),
decoration: BoxDecoration(
color: Colors.pink.withOpacity(0.1),
),
),
floatingActionButton: FloatingActionButton(
// Use the controller to run the animation with rollTo method
onPressed: () => _controller.rollTo(
3,
clockwise: _clockwise,
offset: _random.nextDouble(),
),
child: const Icon(Icons.refresh_rounded),
),
);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
}