scan qrcode & barcode in widget tree.
decode qrcode & barcode image from path.
if you want to generate qrcode image, you should use qr_flutter
- use
ScanViewin widget tree to show scan view. - custom identifiable area.
- decode qrcode from image path by
Scan.parse.
info.list
<key>NSCameraUsageDescription</key> <string>Your Description</string> <key>io.flutter.embedded_views_preview</key> <string>YES</string> <uses-permission android:name="android.permission.CAMERA" /> <application> <meta-data android:name="flutterEmbedding" android:value="2" /> </application>scan: ^newestimport 'package:scan/scan.dart';- show scan view in widget tree
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()andcontroller.pause()resume/pause camera
controller.resume(); controller.pause();- get qrcode string from image path
String result = await Scan.parse(imagePath);- toggle flash light
controller.toggleTorchMode();-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.**{*;} MIT License