GlassBackdropScope class
Deprecated — this widget is now a no-op. Remove it from your tree.
Prior to 0.14.0, this widget installed a shared BackdropGroup that all glass surfaces used for GPU blur-sharing. Each LiquidGlassLayer now manages its own isolated BackdropGroup, which:
- Fixes visual corruption on Impeller when multiple layers shared one BackdropGroup (e.g. app bar backgrounds disappearing).
- Reduces GPU bandwidth — each layer captures only its own clipped bounding box instead of a full-screen texture.
- Eliminates ghost artefacts on route transitions — no stale texture from the previous page can bleed through.
GlassPage handles backdrop isolation automatically. If you were using
GlassBackdropScope manually, simply remove it.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- GlassBackdropScope
- Annotations
-
- @Deprecated('Backdrop isolation is now handled automatically by GlassPage and individual ' 'glass layers. This widget is a no-op and can be safely removed. ' 'Deprecated in v0.14.0')
Constructors
- GlassBackdropScope({Key? key, required Widget child})
-
Creates a GlassBackdropScope.
const
Properties
- child → Widget
-
The widget below this widget in the tree.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
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(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
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