onAccessibilityFeaturesChanged property Null safety

  1. @override
VoidCallback? onAccessibilityFeaturesChanged
override

A callback that is invoked when the value of accessibilityFeatures changes.

The framework invokes this callback in the same zone in which the callback was set.

Implementation

@override
ui.VoidCallback? get onAccessibilityFeaturesChanged => _platformDispatcher.onAccessibilityFeaturesChanged;
  1. @override
void onAccessibilityFeaturesChanged=(VoidCallback? callback)
override

Implementation

@override
set onAccessibilityFeaturesChanged(ui.VoidCallback? callback) {
  _platformDispatcher.onAccessibilityFeaturesChanged = callback;
}