BetterStreamBuilder<T extends Object> class
A more efficient StreamBuilder It requires initialData and will rebuild only when the new data is different than the current data The comparator is used to check if the new data is different
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- BetterStreamBuilder
Constructors
-
BetterStreamBuilder({required Stream<
T?> ? stream, required Widget builder(BuildContext context, T data), T? initialData, Widget noDataBuilder(BuildContext context)?, Widget errorBuilder(BuildContext context, Object error)?, bool comparator(T?, T?)?, Key? key}) -
Creates a new BetterStreamBuilder
const
Properties
- builder → Widget Function(BuildContext context, T data)
-
Builder that builds based on the new snapshot
final
- comparator → (bool Function(T?, T?)?)
-
Comparator used to check if the new data is different than the last one
final
- errorBuilder → (Widget Function(BuildContext context, Object error)?)
-
Builder used when there is an error
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- initialData → T?
-
The initial data available
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- noDataBuilder → (Widget Function(BuildContext context)?)
-
Builder that builds when the data is null
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
stream
→ Stream<
T?> ? -
The stream to listen to
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _BetterStreamBuilderState< Object> -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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