CityPicker class

The picker widget

Normally put it in a dialog or bottomsheet

Inheritance

Constructors

CityPicker({Key? key})
Default constructor
const
CityPicker.fromCode({Key? key, String? code})
Construct the pick by code provided
const
CityPicker.fromName({Key? key, String? province, String? city, String? county})
Construct the picker by name provided
const

Properties

city String?
The city name, e.g. 北京市
final
code String?
The city code, e.g. 110111
final
county String?
The county name, e.g. 房山区
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
province String?
The province name, e.g. 北京市
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<CityPicker>
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

Static Methods

loadAssets() Future<List>
Data set from baidu 202104 rootBundle.loadStructuredData will cache the result so no worries
loadCityNodes() Future<List<CityNode>>
Convert the data set to structured data
searchWithCode(String? code, {List? dataSet}) Future<CityResult?>
Search city infomation by code
searchWithName({String? province, String? city, String? county, List? dataSet}) Future<CityResult?>
Search city infomation by names