of<T> static method
SimpleGroupedSwitchState?
of<
T>( - BuildContext context, {
- 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')
]);
}