QrcodeReaderView class

使用前需已经获取相关权限 Relevant privileges must be obtained before use

Inheritance

Constructors

QrcodeReaderView({Key? key, required Future onScan(String?, String?), Widget? headerWidget, Color boxLineColor = Colors.cyanAccent, Widget? helpWidget, double scanBoxRatio = 0.85})

Properties

boxLineColor → Color
final
hashCode → int
The hash code for this object.
no setterinherited
headerWidget → Widget?
final
helpWidget → Widget?
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onScan → Future Function(String?, String?)
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scanBoxRatio → double
final

Methods

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