StatefulWidget class abstract

A widget that has mutable state.

Inheritance

• Object
• Widget
• StatefulWidget

Implementers

• AnimatedButton
• DropdownButton
• Focus
• Form
• FormField
• HorizontalRadioGroup
• InkwellButton
• Overlay
• PopupMenuButton
• SingleChildScrollView
• StatefulBuilder
• TextField

Constructors

StatefulWidget({Key? key})

Initializes a stateful widget.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

The optional key for this widget.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → Element

Creates an Element to manage this widget's location in the tree.

override

createState() → State<StatefulWidget>

Creates the mutable state for this widget at a given location in the tree.

getIntrinsicHeight(int width) → int

Computes the intrinsic height of this widget under the given width constraint.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

render(Buffer buffer, Rect area) → void

Renders the widget onto the provided buffer within the specified area.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited