scan qrcode & barcode in widget tree.

decode qrcode & barcode image from path.

if you want to generate qrcode image, you should use qr_flutter

Features

• use ScanView in widget tree to show scan view.
• custom identifiable area.
• decode qrcode from image path by Scan.parse.

prepare

ios

info.list

<key>NSCameraUsageDescription</key>
<string>Your Description</string>

<key>io.flutter.embedded_views_preview</key>
<string>YES</string>

android

<uses-permission android:name="android.permission.CAMERA" />

<application>
  <meta-data
    android:name="flutterEmbedding"
    android:value="2" />
</application>

scan: ^newest

import 'package:scan/scan.dart';

Usage

• show scan view in widget tree ```dart ScanController controller = ScanController(); String qrcode = 'Unknown';

Container( width: 250, // custom wrap size height: 250, child: ScanView( controller: controller, // custom scan area, if set to 1.0, will scan full area scanAreaScale: .7, scanLineColor: Colors.green.shade400, onCapture: (data) { // do something }, ), ),

- you can use `controller.resume()` and `controller.pause()` resume/pause camera

```dart
controller.resume();
controller.pause();

• get qrcode string from image path

  String result = await Scan.parse(imagePath);
  

• toggle flash light

  controller.toggleTorchMode();
  

  proguard-rules

  -ignorewarnings
  -keepattributes *Annotation*
  -keepattributes Exceptions
  -keepattributes InnerClasses
  -keepattributes Signature
  -keepattributes SourceFile,LineNumberTable
  -keep class com.huawei.hianalytics.**{*;}
  -keep class com.huawei.updatesdk.**{*;}
  -keep class com.huawei.hms.**{*;}
  

License

MIT License