NanoObs class

A widget that can be used to listen to changes to NanoRead instances and will rebuild itself when any change occurs.

The parameter builder is used to build the widget.

Inheritance

Constructors

NanoObs({Key? key, required Widget builder(BuildContext context, T watch<T>(NanoRead<T> readable))})
Creates a NanoObsWidget with a mandatory builder and an optional key.
const

Properties

builder → Widget Function(BuildContext context, T watch<T>(NanoRead<T> readable))
A builder that builds the widget and provides the function watch, which can be used to read the values of NanoRead instances and subscribe to changes to those values.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context, T watch<T>(NanoRead<T> readable)) → Widget
Builds the widget and provides the function watch, which can be used to read the values of NanoRead instances and subscribe to changes to those values.
override
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<NanoObsWidget>
Creates the mutable state for this widget at a given location in the tree.
inherited
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