of<T> static method

SimpleGroupedSwitchState? of<T>(
  1. BuildContext context, {
  2. bool nullOk = false,
})

Implementation

static SimpleGroupedSwitchState? of<T>(
  BuildContext context, {
  bool nullOk = false,
}) {
  final SimpleGroupedSwitchState<T>? result =
      context.findAncestorStateOfType<SimpleGroupedSwitchState<T>>();
  if (nullOk || result != null) return result;
  throw FlutterError.fromParts(<DiagnosticsNode>[
    ErrorSummary(
        'SimpleGroupedSwitch.of() called with a context that does not contain an SimpleGroupedSwitch.'),
    ErrorDescription(
        'No SimpleGroupedSwitch ancestor could be found starting from the context that was passed to SimpleGroupedSwitch.of().'),
    context.describeElement('The context used was')
  ]);
}