TickerMode class Null safety

Enables or disables tickers (and thus animation controllers) in the widget subtree.

This only works if AnimationController objects are created using widget-aware ticker providers. For example, using a TickerProviderStateMixin or a SingleTickerProviderStateMixin.

Inheritance

Constructors

TickerMode({Key? key, required bool enabled, required Widget child})
Creates a widget that enables or disables tickers.
const

Properties

child Widget
The widget below this widget in the tree.
final
enabled bool
The requested ticker mode for this subtree.
final
hashCode int
The hash code for this object.
nonVirtual">@nonVirtualread-onlyinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<TickerMode>
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.
protected">@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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.
nonVirtual">@nonVirtualinherited

Static Methods

getNotifier(BuildContext context) ValueNotifier<bool>
Obtains a ValueNotifier from the TickerMode surrounding the context, which indicates whether tickers are enabled in the given subtree.
of(BuildContext context) bool
Whether tickers in the given subtree should be enabled or disabled.