handleViewFocusChanged method

  1. @override
void handleViewFocusChanged(
  1. ViewFocusEvent event
)
override

Called whenever the PlatformDispatcher receives a notification that the focus state on a view has changed.

The event contains the view ID for the view that changed its focus state.

See also:

Implementation

@override
void handleViewFocusChanged(ViewFocusEvent event) {
  super.handleViewFocusChanged(event);
  for (final observer in List<WidgetsBindingObserver>.of(_observers)) {
    try {
      observer.didChangeViewFocus(event);
    } catch (exception, stack) {
      FlutterError.reportError(
        FlutterErrorDetails(
          exception: exception,
          stack: stack,
          library: 'widgets library',
          context: ErrorDescription(
            'while dispatching notifications for WidgetsBindingObserver.didChangeViewFocus',
          ),
        ),
      );
    }
  }
}