DataObserverBuilder<T> class

Renders one DataObserver: its own loading, error and data, independent of the rest of the screen.

DataObserverBuilder<List<Notice>>(
  observer: cubit.observer('notices'),
  onRetry: cubit.loadNotices,
  builder: (context, notices) => NoticesList(notices),
)
Inheritance

Constructors

DataObserverBuilder({Key? key, required DataObserver<T> observer, required DataWidgetBuilder<T> builder, WidgetBuilder? loadingBuilder, ErrorViewBuilder? errorBuilder, WidgetBuilder? initialBuilder, VoidCallback? onRetry})
Renders observer.
const

Properties

builder → DataWidgetBuilder<T>
Builds the data.
final
errorBuilder → ErrorViewBuilder?
Overrides the error view.
final
hashCode → int
The hash code for this object.
no setterinherited
initialBuilder → WidgetBuilder?
Overrides the initial view.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
loadingBuilder → WidgetBuilder?
Overrides the loading view.
final
observer → DataObserver<T>
The observer to render.
final
onRetry → VoidCallback?
Called by the error view's retry button.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's 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, int wrapWidth = 65}) → 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