accessibilityFeatures property
The currently active set of ui.AccessibilityFeatures.
This is set when the binding is first initialized and updated whenever a flag is changed.
To listen to changes to accessibility features, create a WidgetsBindingObserver and listen to WidgetsBindingObserver.didChangeAccessibilityFeatures.
Implementation
ui.AccessibilityFeatures get accessibilityFeatures => _accessibilityFeatures;