qr_scanner_with_effect

Description:

qr scanner with effect

qr_scanner_with_effect #
A Flutter widget that will use for scanning QR Code and it also has scanning effect.
QR Scanner with Effect #


Features #



Parameter
Definition




GlobalKey<State<StatefulWidget>> qrKey
(Required) [qrKey] uniquely identify elements


void Function(QRViewController) onQrScannerViewCreated
(Required) [onQRViewCreated] gets called when the view is created


EdgeInsetsGeometry overlayMargin
(Predefined) use [overlayMargin] to provide a margin to [overlay]


CameraFacing cameraFacing
(Predefined) Set which camera to use on startup.[cameraFacing] can either be CameraFacing.front or CameraFacing.back


void Function(QRViewController, bool)? onPermissionSet
(Optional) Calls the provided [onPermissionSet] callback when the permission is set


List<BarcodeFormat> formatsAllowed
(Predefined) Use [formatsAllowed] to specify which formats needs to be scanned


Color qrOverlayBorderColor
(Required) [qrOverlayBorderColor] is used for giving color of qr overlay border


double qrOverlayBorderRadius
(Predefined) [qrOverlayBorderRadius] is used for giving border radius of qr overlay border


double qrOverlayBorderWidth
(Predefined) [qrOverlayBorderWidth] it defines the width of the qr overlay border


double qrOverlayBorderLength
(Predefined) [qrOverlayBorderLength] it defines the length of the qr overlay border


Gradient? effectGradient
(Optional) use [effectGradient] for effect animated color from begin to top


double effectWidth
(Predefined) [effectWidth] define the width of the effect


bool isScanComplete
(Predefined) [isScanComplete] is used for remove effect after scanning complete


Color? effectColor
(Optional) use [effectColor] for color of the effect


double? cutOutSize



double? cutOutHeight



double? cutOutWidth



double cutOutBottomOffset




Demo #

Installation #
Add dependency for package on your pubspec.yaml:
dependencies:
qr_scanner_with_effect: latest
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or
flutter pub add qr_scanner_with_effect
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Usage #
QrScannerWithEffect(
isScanComplete: isComplete,
qrKey: qrKey,
onQrScannerViewCreated: onQrScannerViewCreated,
qrOverlayBorderColor: Colors.redAccent,
cutOutSize: (MediaQuery.of(context).size.width < 300 || MediaQuery.of(context).size.height < 400) ? 250.0 : 300.0,
onPermissionSet: (ctrl, p) => onPermissionSet(context, ctrl, p),
effectGradient: const LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
stops: [0.0, 1],
colors: [
Colors.redAccent,
Colors.redAccent,
],
),
)
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Additional information #
This package is built on "qr_code_scanner". When we use "qr_scanner_with_effect" package than we also use "qr_code_scanner" package for fetching its controller.