QRCodeDartScanView class

Inheritance

Constructors

QRCodeDartScanView({Key? key, TypeCamera typeCamera = TypeCamera.back, TypeScan typeScan = TypeScan.live, ValueChanged<Result>? onCapture, QRCodeDartScanResolutionPreset resolutionPreset = QRCodeDartScanResolutionPreset.medium, QRCodeDartScanController? controller, List<BarcodeFormat> formats = QRCodeDartScanDecoder.acceptedFormats, Widget? child, TakePictureButtonBuilder? takePictureButtonBuilder, double? widthPreview, double? heightPreview, Duration intervalScan = const Duration(milliseconds: 500), OnResultInterceptorCallback? onResultInterceptor, DeviceOrientation? lockCaptureOrientation = DeviceOrientation.portraitUp, ImageDecodeOrientation imageDecodeOrientation = ImageDecodeOrientation.original, ValueChanged<String>? onCameraError, int? fps, int? videoBitrate, CroppingStrategy? croppingStrategy, Offset? focusPoint, Duration imageStreamTimeout = const Duration(seconds: 2)})
const

Properties

child → Widget?
Optional child widget to overlay on top of the camera preview
final
controller → QRCodeDartScanController?
Controller to manage the QR code scanning functionality
final
croppingStrategy → CroppingStrategy?
Strategy to crop the camera image before decoding
final
focusPoint → Offset?
Focus point for the camera preview
final
formats → List<BarcodeFormat>
Use to limit a specific format If null use all accepted formats List of barcode formats to scan for. If null or empty, uses all accepted formats
final
fps → int?
Frames per second for the camera preview
final
hashCode → int
The hash code for this object.
no setterinherited
heightPreview → double?
Height of the camera preview
final
imageDecodeOrientation → ImageDecodeOrientation
Controls how the image is oriented during decoding
final
imageStreamTimeout → Duration
Timeout for the image stream
final
intervalScan → Duration
Minimum duration between scans of the same QR code
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
lockCaptureOrientation → DeviceOrientation?
Forces a specific device orientation for capturing
final
onCameraError → ValueChanged<String>?
Callback when camera errors occur
final
onCapture → ValueChanged<Result>?
final
onResultInterceptor → OnResultInterceptorCallback?
Callback to intercept and decide if the result should be returned
final
resolutionPreset → QRCodeDartScanResolutionPreset
Resolution preset for the camera preview
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
takePictureButtonBuilder → TakePictureButtonBuilder?
Builder for customizing the take picture button
final
typeCamera → TypeCamera
final
typeScan → TypeScan
final
videoBitrate → int?
Video bitrate for the camera preview
final
widthPreview → double?
Width of the camera preview
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → QRCodeDartScanViewState
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited