QRView class

The QRView is the view where the camera and the barcode scanner gets displayed.

Inheritance

Constructors

QRView({required Key key, required QRViewCreatedCallback onQRViewCreated, QrScannerOverlayShape? overlay, EdgeInsetsGeometry overlayMargin = EdgeInsets.zero, CameraFacing cameraFacing = CameraFacing.back, PermissionSetCallback? onPermissionSet, List<BarcodeFormat> formatsAllowed = const <BarcodeFormat>[]})
const

Properties

cameraFacing CameraFacing
Set which camera to use on startup.
final
formatsAllowed List<BarcodeFormat>
Use formatsAllowed to specify which formats needs to be scanned.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onPermissionSet PermissionSetCallback?
Calls the provided onPermissionSet callback when the permission is set.
final
onQRViewCreated QRViewCreatedCallback
onQRViewCreated gets called when the view is created
final
overlay QrScannerOverlayShape?
Use overlay to provide an overlay for the view. This can be used to create a certain scan area.
final
overlayMargin EdgeInsetsGeometry
Use overlayMargin to provide a margin to overlay
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<StatefulWidget>
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