onSystemFontFamilyChanged property
override
A callback that is invoked whenever systemFontFamily 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
@override
VoidCallback? get onSystemFontFamilyChanged => _platformDispatcher.onSystemFontFamilyChanged;override
Implementation
@override
set onSystemFontFamilyChanged(VoidCallback? value) {
_platformDispatcher.onSystemFontFamilyChanged = value;
}