app_qrcode_scanner

Description:

app qrcode scanner

app_qrcode_scanner #
app_qrcode_scanner is a plugin for application to scan QRCode using camera or images from their device photo library.
This plugin is forked from qr_code_scanner
Installation #
iOS #
Camera and Photo library usage description area required.
Add the following lines into your Info.plist file to do so.
<key>io.flutter.embedded_views_preview</key>
<true/>
<key>NSCameraUsageDescription</key>
<string>This app needs camera access to scan QR codes</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>This app needs photo library access to scan QR codes from image</string>
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Android #
For API 29+
Add the following lines into AndroidManifest.xml, which is required in Android Q since this attribute default value is false
android:requestLegacyExternalStorage="true"
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Usage #
Call tryOpenScanner with context will prompt a camera modal for QRCode scanning
import 'package:app_qrcode_scanner/app_qrcode_scanner.dart';

Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
onPressed: () async {
/// await QRCode content as [String]
String result = await tryOpenScanner(context);
}
]
)
);
}
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Permission #
You may want to check the camera and photo library usage permission before launching the QRCode scanner
You can customize the soft launch permission modal by create custom class extends [CustomModal]
import 'package:app_qrcode_scanner/app_qrcode_scanner.dart';

/// Get permission using another plugin: permission_handler
var camStatus = await Permission.camera.status;
var photoStatus = await Permission.photos.status;

var camPerm = camStatus.isUndetermined ? null : camStatus.isGranted;
var photoPerm = photoStatus.isUndetermined ? null : photoStatus.isGranted;

/// await QRCode content as [String]
String result = await tryOpenScanner(
context,
hvCameraPerm: camPerm,
cameraPermModal: CameraPermissionModal(),
hvPhotoPerm: photoPerm,
);

class CameraPermissionModal extends CustomModal {
@override
Widget buildPage(
BuildContext context,
Animation<double> animation,
Animation<double> secondaryAnimation,
) {
return Material(
type: MaterialType.transparency,
child: Container() // Your own design
)
}
}
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