DFJoyStick class

摇杆控制

Inheritance

Constructors

DFJoyStick({String? handleImage, String? backgroundImage, Color handleColor = const Color(0x60FFFFFF), Color backgroundColor = const Color(0x40FFFFFF), String direction = DFDirection.NONE, required void onChange(String, double), required void onCancel(String), Size size = const Size(100, 100), Size areaSize = const Size(240, 240)})
创建遥杆

Properties

areaSize Size
监听区域
final
backgroundColor Color
背景颜色
final
backgroundImage String?
背景图
final
direction String
当前方向
getter/setter pair
handleColor Color
手柄颜色
final
handleImage String?
手柄图
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onCancel → void Function(String)
操作取消
final
onChange → void Function(String, double)
方向更新
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
size Size
遥杆尺寸
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<StatefulWidget>
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