DecoratedBox class

A widget that paints a background decoration and border around a child widget.

Shrinks the child's rendering viewport by the width of the active borders so the child does not overlap with the border lines.

Example Usage

DecoratedBox(
  decoration: BoxDecoration(
    border: Border.doubleLine,
  ),
  child: Text('Content inside a double-bordered box'),
);

Properties

Property	Type	Description
decoration	BoxDecoration	Visual border and background layout settings.
child	Widget	The nested child widget to render inside the box.

Inheritance

• Object
• Widget
• DecoratedBox

Constructors

DecoratedBox({required BoxDecoration decoration, required Widget child})

Creates a DecoratedBox with the given decoration and child.

const

Properties

child → Widget

The nested child widget to render inside the box.

final

decoration → BoxDecoration

Visual border and background layout settings.

final

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

getIntrinsicHeight(int width) → int

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

inherited

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