BarcodeScannerWidget class
Widget displaying the camera stream while scanning barcodes.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- BarcodeScannerWidget
Constructors
- BarcodeScannerWidget({Key? key, CameraSelector cameraSelector = CameraSelector.back, bool startScanning = true, bool stopScanOnBarcodeDetected = true, CameraOrientation orientation = CameraOrientation.portrait, ScannerType scannerType = ScannerType.barcode, dynamic onBarcodeDetected(Barcode barcode)?, dynamic onTextDetected(String textResult)?, dynamic onMrzDetected(String mrz, Uint8List image)?, dynamic onScanProgress(int? progress)?, required dynamic onError(dynamic error)})
-
const
Properties
- cameraSelector → CameraSelector
-
Select which camera should be used when creating the widget.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onBarcodeDetected → dynamic Function(Barcode barcode)?
-
This function will be called when a barcode is detected.
final
- onError → dynamic Function(dynamic error)
-
final
- onMrzDetected → dynamic Function(String mrz, Uint8List image)?
-
This function will be called when a bloc MRZ is detected.
final
- onScanProgress → dynamic Function(int? progress)?
-
final
- onTextDetected → dynamic Function(String textResult)?
-
This function will be called when a bloc of text is detected.
final
- orientation → CameraOrientation
-
The orientation of the camera. Default set as Prortait
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scannerType → ScannerType
-
The type of scanner which should decode the image and scan data
final
- startScanning → bool
-
Indicates if the barcode scanning process should start when creating the widget.
final
- stopScanOnBarcodeDetected → bool
-
Indicates if barcode scanning should stop after a barcode is detected. If
false,onBarcodeDetectedmay be triggered multiple times for the same barcode.final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< BarcodeScannerWidget> -
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