QRView class

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

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• QRView

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 setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

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 setter, inherited

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}) → 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