StreamsSelector0<T> class
A base class for custom StreamsSelector.
It works with any InheritedWidget. Variants like StreamsSelector and
StreamsSelector6
are just syntax sugar to use StreamsSelector0 with StreamProvider.of
.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SingleChildStatefulWidget
- StreamsSelector0
- Implementers
Constructors
-
StreamsSelector0({Key? key, required Stream<
T> selector(BuildContext), required ValueWidgetBuilder<T> builder, Widget? child}) -
Both
builder
andselector
must not benull
. -
StreamsSelector0.value({Key? key, required Stream<
T> stream, required ValueWidgetBuilder<T> builder, Widget? child}) -
factory
Properties
-
builder
→ ValueWidgetBuilder<
T> -
A function that builds a widget tree from
child
and the last result of selector.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
-
selector
→ Stream<
T> Function(BuildContext) -
A function that obtains some InheritedWidget and map their content into
a new object with only a limited number of properties.
final
Methods
-
createElement(
) → SingleChildStatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _StreamsSelector0State< T> -
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