ScanMonitorWidget class

扫码监听(包含TextFiled与scan同时存在的场景)

Inheritance

Constructors

ScanMonitorWidget({Key? key, required ChildBuilder childBuilder, TextInputFocusNode? scanNode, FocusNode? textFiledNode, GlobalKey<EditableTextState>? scanKey, required void onSubmit(String), bool focusLooper = false, Duration focusLooperDuration = const Duration(seconds: 2)})
const

Properties

childBuilder ChildBuilder
final
focusLooper bool
final
focusLooperDuration Duration
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onSubmit → void Function(String)
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scanKey GlobalKey<EditableTextState>?
final
scanNode TextInputFocusNode?
final
textFiledNode FocusNode?
final

Methods

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