barcode_scanner_pageview.dart
2.52 KB
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
import 'package:flutter/material.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:mobile_scanner_example/scanner_error_widget.dart';
class BarcodeScannerPageView extends StatefulWidget {
const BarcodeScannerPageView({Key? key}) : super(key: key);
@override
_BarcodeScannerPageViewState createState() => _BarcodeScannerPageViewState();
}
class _BarcodeScannerPageViewState extends State<BarcodeScannerPageView>
with SingleTickerProviderStateMixin {
BarcodeCapture? capture;
Widget cameraView() {
return Builder(
builder: (context) {
return Stack(
children: [
MobileScanner(
startDelay: true,
controller: MobileScannerController(torchEnabled: true),
fit: BoxFit.contain,
errorBuilder: (context, error, child) {
return ScannerErrorWidget(error: error);
},
onDetect: (capture) {
setState(() {
this.capture = capture;
});
},
),
Align(
alignment: Alignment.bottomCenter,
child: Container(
alignment: Alignment.bottomCenter,
height: 100,
color: Colors.black.withOpacity(0.4),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
Center(
child: SizedBox(
width: MediaQuery.of(context).size.width - 120,
height: 50,
child: FittedBox(
child: Text(
capture?.barcodes.first.rawValue ??
'Scan something!',
overflow: TextOverflow.fade,
style: Theme.of(context)
.textTheme
.headlineMedium!
.copyWith(color: Colors.white),
),
),
),
),
],
),
),
),
],
);
},
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.black,
body: PageView(
children: [
cameraView(),
Container(),
cameraView(),
cameraView(),
],
),
);
}
}