Builder class
A stateless widget that delegates its build method to a callback.
- Inheritance
-
- Object
- Widget
- StatelessWidget
- Builder
Constructors
- Builder({Key? key, required WidgetBuilder builder})
-
Creates a Builder widget.
const
Properties
- builder → WidgetBuilder
-
The builder function.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
The optional key for this widget.
finalinherited
- 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(
) → Element -
Creates an Element to manage this widget's location in the tree.
inherited
-
getIntrinsicHeight(
int width) → int -
Computes the intrinsic height of this widget under the given
widthconstraint.inherited -
getIntrinsicWidth(
int height) → int -
Computes the intrinsic width of this widget under the given
heightconstraint.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited