BetterStreamBuilder<T extends Object> class Null safety

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

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. [...]
@nonVirtual, read-only, inherited
initialData → T?
The initial data available
final
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
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.
read-only, inherited
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 DiagnosticsNode objects describing this node's children. [...]
@protected, 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. [...]
@nonVirtual, inherited