EventualSingleBuilder class
EventualSingleBuilder provides up to four different builders that are used according to the
current state of notifier
.
- If
isLoading
evaluates totrue
, thenloadingBuilder
will be built (if present). - If
hasError
evaluates totrue
, thenerrorBuilder
will be built (if present). - If
hasValue
evaluates tofalse
, thenemptyBuilder
will be built (if present). - In any other case,
builder
will be built.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- EventualSingleBuilder
Constructors
- EventualSingleBuilder({@required EventualNotifier notifier, Widget loadingBuilder(BuildContext, EventualNotifier, Widget), Widget errorBuilder(BuildContext, EventualNotifier, Widget), Widget emptyBuilder(BuildContext, EventualNotifier, Widget), @required Widget builder(BuildContext, EventualNotifier, Widget), Widget child, Key key})
Properties
- builder → Widget Function(BuildContext, EventualNotifier, Widget)
-
final
- child → Widget
-
final
- emptyBuilder → Widget Function(BuildContext, EventualNotifier, Widget)
-
final
- errorBuilder → Widget Function(BuildContext, EventualNotifier, Widget)
-
final
- hashCode → int
- The hash code for this object.
- key → Key
-
Controls how one widget replaces another widget in the tree.
finalinherited
- loadingBuilder → Widget Function(BuildContext, EventualNotifier, Widget)
-
final
- notifier → EventualNotifier
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _EventualSingleBuilderState -
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.@protectedinherited -
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.
@nonVirtualinherited