Builder class

A stateless utility widget that calls a builder callback to obtain its child.

Useful for obtaining a BuildContext that is a child of a different widget without introducing a new widget subclass.

Inheritance

• Object
• Widget
• StatelessWidget
• Builder

Constructors

Builder({Key? key, required WidgetBuilder builder})

Creates a Builder that calls builder to obtain its child.

const

Properties

builder → WidgetBuilder

The callback invoked during build to create the child widget.

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

override

createElement() → StatelessElement

Creates the Element for this widget.

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