SynthizerScope class

A widget which holds and maintains the life cycle of synthizer objects.

There must be one and only one instance of this widget, and it must be placed as close to the top of the widget tree as possible, in particular, above the MaterialApp widget.

Inheritance

Constructors

SynthizerScope({required Widget child, int bufferCacheMaxSize = gigabyte, String? synthizerFilename, Key? key})
Create an instance.
const

Properties

bufferCacheMaxSize int
The maximum size of the buffer cache to use.
final
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
synthizerFilename String?
The path where the synthizer library will be loaded.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() SynthizerScopeState
Create state for this widget.
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

maybeOf(BuildContext context) SynthizerScopeState?
Possibly return the nearest instance.
of(BuildContext context) SynthizerScopeState
Return the nearest instance.