Picker class

Inheritance

Constructors

Picker({Key? key, List<PickerItem>? colums, bool showToolbar = false, String toolbarPosition = "top", String? title, bool loading = false, double itemHeight = 44.0, String confirmButtonText = "确认", String cancelButtonText = "取消", dynamic defaultIndex, int level = 1, dynamic onConfirm(List<String?> selectedValues, dynamic selectedIndex)?, dynamic onCancel(List<String?> selectedValues, dynamic selectedIndex)?, dynamic onChange(List<String?> selectedValues, dynamic selectedIndex)?})
const

Properties

cancelButtonText String
final
colums List<PickerItem>?
final
confirmButtonText String
final
defaultIndex → dynamic
final
hashCode int
The hash code for this object.
no setterinherited
itemHeight double
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
level int
final
loading bool
final
onCancel → dynamic Function(List<String?> selectedValues, dynamic selectedIndex)?
final
onChange → dynamic Function(List<String?> selectedValues, dynamic selectedIndex)?
final
onConfirm → dynamic Function(List<String?> selectedValues, dynamic selectedIndex)?
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
showToolbar bool
final
title String?
final
toolbarPosition String
final

Methods

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