ScannerCameraPreview class

A lightweight, unopinionated camera preview widget for ScannerController. Renders ONLY the camera feed (or a custom placeholder) with tap-to-focus and pinch-to-zoom support.

Inheritance

Constructors

ScannerCameraPreview({Key? key, required ScannerController controller, Widget? placeholder, Widget? child, BoxFit fit = BoxFit.cover})
Constructs a ScannerCameraPreview.
const

Properties

child → Widget?
Custom child widget layered directly on top of the camera feed.
final
controller → ScannerController
Active ScannerController managing camera feed.
final
fit → BoxFit
BoxFit style for camera aspect ratio.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
placeholder → Widget?
Custom placeholder widget rendered when camera is uninitialized or on desktop/simulator.
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<ScannerCameraPreview>
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