DataScannerConfiguration<T> class

Holds the configuration for a DataScanner.

Constructors

DataScannerConfiguration({required List<VisionProcessor> processors, required List<Extractor<T>> extractors, OnExtracted<T>? onExtracted, dynamic onPermissionDenied()?, dynamic onError(String)?, dynamic onZoomChanged(double)?, bool enableZoom = false, double detectionAreaHeight = 64, double? detectionAreaWidth, DetectionAreaMode detectionAreaMode = DetectionAreaMode.containsRect, Widget? upperHelper, Widget? lowerHelper, bool showOverlay = true, bool showTorchToggle = false, Alignment torchToggleAlignment = Alignment.bottomCenter, EdgeInsets torchToggleMargin = const EdgeInsets.all(32), DetectionOutlineConfig? detectionOutline, RouteObserver<ModalRoute>? routeObserver})

Properties

detectionAreaHeight → double
Height of the detection area in which elements should be detected. Defaults to 64.
final
detectionAreaMode → DetectionAreaMode
Defines
final
detectionAreaWidth → double?
Width of the detection area in which elements should be detected. Defaults to the maximum availale width of the widget minus a margin of 32 left and right.
final
detectionOutline → DetectionOutlineConfig?
Configuration for displaying outlines around detected visuals. If nothing is set, no outlines will be displayed.
final
enableZoom → bool
Enable zoom trough pinch.
final
extractors → List<Extractor<T>>
Extractors to be used.
final
hashCode → int
The hash code for this object.
no setterinherited
lowerHelper → Widget?
If showOverlay is enabled, this widget will be displayed directly below the detection area.
final
onError → dynamic Function(String)?
Executed when any other CameraException is thrown. Good luck, because they have apparently been left completely undocumented :)
final
onExtracted → OnExtracted<T>?
Callback to be called when text was extracted from an image.
final
onPermissionDenied → dynamic Function()?
Executed when the camera cannot be started due to lack of permissions.
final
onZoomChanged → dynamic Function(double)?
Executed when the zoom is changed.
final
processors → List<VisionProcessor>
VisionProcessors to be used.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showOverlay → bool
Whether to show the scanner overlay. Defaults to true.
final
showTorchToggle → bool
Whether to show the torch toggle. Defaults to false.
final
torchToggleAlignment → Alignment
Where to position the torch toggle. Defaults to Alignment.bottomCenter
final
torchToggleMargin → EdgeInsets
Outside spacing of the torch toggle.
final
upperHelper → Widget?
If showOverlay is enabled, this widget will be displayed directly above the detection area.
final

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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