CamCodeScanner class

Camera barcode scanner widget Asks for camera access permission Shows camera images stream Captures pictures every 'refreshDelayMillis' Ask your favorite javascript library to identify a barcode in the current picture

Inheritance

Constructors

CamCodeScanner({bool showDebugFrames = false, required Function onBarcodeResult, required double width, required double height, int refreshDelayMillis = 400, CamCodeScannerController? controller})
Camera barcode scanner widget Params:

Properties

controller CamCodeScannerController?
controller to control the camera from outside
final
hashCode int
The hash code for this object.
no setterinherited
height double
height dimension
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onBarcodeResult Function
call back to trigger on barcode result
final
refreshDelayMillis int
delay between to picture analysis
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
showDebugFrames bool
shows the current analysing picture
final
width double
width dimension
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _CamCodeScannerState
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}) 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