TickingWidget class

A widget that rebuilds itself at a given interval. This widget is useful for building widgets that need to be updated at a given interval. For example, this widget can be used to build clocks, timers, stopwatches, and countdowns. This widget can be used to build any widget that needs to be updated at a given interval. Example:

TickingWidget(
 mode: TickingMode.second,
 builder: (context, currentTime, child) {
    // This widget will rebuild every second.
    return Text(currentTime.toString());
  },
 ),
Inheritance
Available Extensions

Constructors

TickingWidget({Key? key, TickingWidgetBuilder? builder, Widget? child, required TickingMode mode, bool autoStart = true})
Creates a new TickingWidget.
const

Properties

autoStart bool
If true, the ticker will start automatically when the widget is initialized. If false, the ticker will not start automatically when the widget is initialized. The default value is true. This can be changed at runtime using TickingInterface.startTicker and TickingInterface.stopTicker methods.
final
builder TickingWidgetBuilder?
The builder function that is used to build the ticking widget. This function is called every time the widget needs to be rebuilt.
final
child Widget?
The child widget that is passed to the TickingWidget. If the builder is not provided, the child must be provided. If both builder and child are provided, the builder will be used and the child will be passed to the builder function.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
mode TickingMode
The mode of ticking. It can be millisecond, second, minute, or hour. This is used to determine when to rebuild the widget. For example, if the mode is set to TickingMode.second, the widget will rebuild every second.
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<TickingWidget>
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

maybeOf(BuildContext context) TickingInterface?
Returns the TickingInterface of the nearest TickingWidget ancestor. This method can be used to access the TickingInterface of the nearest TickingWidget ancestor to control the ticking of the widget. Example:
of(BuildContext context) TickingInterface
Returns the TickingInterface of the nearest TickingWidget ancestor. This method can be used to access the TickingInterface of the nearest TickingWidget ancestor to control the ticking of the widget. Example: