MultiStreamBuilder class Null safety

MultiStreamBuilder widget allowing to combine both multiple stream and value listenables

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• MultiStreamBuilder

Constructors

MultiStreamBuilder({Key? key, MultiStreamBuilderController? controller, List<Stream?>? streams, List<ValueListenable?>? valuesListenable, required Widget builder(BuildContext context, List dataList), bool buildWhen(List previousDataList, List latestDataList)?, bool eventFilter(dynamic event, int index)?})

const

Properties

builder → Widget Function(BuildContext context, List dataList)

final

buildWhen → (bool Function(List previousDataList, List latestDataList)?)

final

controller → MultiStreamBuilderController?

final

eventFilter → (bool Function(dynamic event, int index)?)

final

hashCode → int

The hash code for this object.

read-only, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

streams → List<Stream?>?

final

valuesListenable → List<ValueListenable?>?

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 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.

inherited

Static Methods

buildWhenAnyIsNotEqual(List previousDataList, List dataList) → bool

filterNullEvents(dynamic event, int index) → bool