LiquidGlassScope class

A scope that provides infrastructure for glass refraction on Skia and Web.

Place LiquidGlassScope at the root of a stack or page. Descendant GlassEffect widgets (used by GlassSegmentedControl, GlassTabBar) will automatically find and sample the capture surface marked by GlassBackgroundSource.

On Impeller, LiquidGlassScope is not needed — GlassQuality.premium uses the native scene graph for refraction.

Usage:

LiquidGlassScope(
  child: Stack(
    children: [
      // 1. Mark the capture surface
      GlassBackgroundSource(
        child: Image.asset('wallpaper.jpg'),
      ),

      // 2. Glass widgets sample it automatically
      Center(child: GlassSegmentedControl(...)),
    ],
  ),
)

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• LiquidGlassScope

Constructors

LiquidGlassScope({required Widget child, Key? key})

Creates a new LiquidGlassScope.

const

Properties

child → Widget

Convenience constructor for the common pattern of a background behind content.

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited

createState() → State<LiquidGlassScope>

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

override

debugDescribeChildren() → List<DiagnosticsNode>

Returns a list of DiagnosticsNode objects describing this node's children.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode

Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.

inherited

toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String

A string representation of this object.

inherited

toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String

Returns a string representation of this node and its descendants.

inherited

toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a one-line detailed description of the object.

inherited

toStringShort() → String

A short, textual description of this widget.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

of(BuildContext context) → GlobalKey<State<StatefulWidget>>?

Returns the background key from the nearest ancestor scope.