CountDown class
倒计时组件
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CountDown
- Available Extensions
Constructors
- CountDown({Key? key, CountDownController? controller, String? endTime, VoidCallback? onEnd, bool? autoStart, CountDownBuilder? builder, Duration? interval, VoidCallback? onStart, SecondBuild? secondBuild})
-
const
Properties
- autoStart → bool?
-
是否自动开始倒计时,默认false
final
- builder → CountDownBuilder?
-
构建小部件
final
- controller → CountDownController?
-
倒计时控制器
final
- endTime → String?
-
倒计时结束时间
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- interval → Duration?
-
倒计时刷新UI间隔
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onEnd → VoidCallback?
-
倒计时结束事件回调
final
- onStart → VoidCallback?
-
开始倒计时回调
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- secondBuild → SecondBuild?
-
秒自定义构建
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< CountDown> -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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