onPlatformBrightnessChanged property

VoidCallback onPlatformBrightnessChanged

A callback that is invoked whenever platformBrightness changes value.

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

See also:

  • WidgetsBindingObserver, for a mechanism at the widgets layer to observe when this callback is invoked.

Implementation

VoidCallback get onPlatformBrightnessChanged => _onPlatformBrightnessChanged;
void onPlatformBrightnessChanged= (VoidCallback callback)

Implementation

set onPlatformBrightnessChanged(VoidCallback callback) {
  _onPlatformBrightnessChanged = callback;
  _onPlatformBrightnessChangedZone = Zone.current;
}