/
main.dart
70 lines (66 loc) · 2.11 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
import 'package:flutter/material.dart';
import 'package:lean_file_picker/lean_file_picker.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
var _copying = false;
var _lastPick = 'No file picked';
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('File Picker Example'),
),
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
ElevatedButton(
child: Text('Pick File'),
onPressed: () async {
final file = await pickFile(
allowedExtensions: ['zip'],
allowedMimeTypes: ['image/jpeg', 'text/*'],
listener: (status) =>
setState(() => _copying = status == FilePickerStatus.copying),
);
if (file != null) {
final path = file.path;
final size = file.lengthSync();
file.deleteSync();
setState(() => _lastPick = 'Picked file $path\nwith a size of $size bytes');
} else {
setState(() => _lastPick = 'Picker canceled');
}
},
),
if (_copying)
Padding(
padding: const EdgeInsets.all(10),
child: Text(
"Copying data to temporary file",
textAlign: TextAlign.center,
style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold),
),
),
if (!_copying)
Padding(
padding: const EdgeInsets.all(10),
child: Text(
_lastPick,
textAlign: TextAlign.center,
),
),
],
),
),
),
);
}
}