FutureBuilder<T> class
Widget that builds itself based on the latest snapshot of interaction with a Future.
- Inheritance
-
- Object
- Widget
- StatefulWidget
- FutureBuilder
Constructors
-
FutureBuilder({Key? key, Future<
T> ? future, T? initialData, required AsyncWidgetBuilder<T> builder}) -
Creates a widget that builds itself based on the latest snapshot of
interaction with a Future.
const
Properties
-
builder
→ AsyncWidgetBuilder<
T> -
final
- correspondingTag → DomTagType?
-
Corresponding HTML tag to use to render this widget
no setterinherited
-
future
→ Future<
T> ? -
The asynchronous computation to which this builder is currently connected,
possibly null.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- initialData → T?
-
final
- key → Key?
-
Keys help Rad identify which widgets have changed, are added, or are
removed when a widget has multiple sibling widgets.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
widgetCaptureEventListeners
→ Map<
DomEventType, EventCallback?> -
Events that this widget is listening to in capturing phase.
no setterinherited
-
widgetEventListeners
→ Map<
DomEventType, EventCallback?> -
Events that this widget is listening to in bubbling phase.
no setterinherited
Methods
-
createRenderElement(
RenderElement parent) → RenderElement -
Create element for current widget.
inherited
-
createState(
) → State< FutureBuilder< T> > -
Creates the mutable state for this widget at a given location in the tree.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
shouldUpdateWidget(
Widget oldWidget) → bool -
Whether to update current widget.
inherited
-
shouldUpdateWidgetChildren(
Widget oldWidget, bool shouldUpdateWidget) → bool -
Whether to update current widget's children.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
- debugRethrowError ↔ bool
-
Whether the latest error received by the asynchronous computation should
be rethrown or swallowed. This property is useful for debugging purposes.
getter/setter pair