onException method
StreamSubscription<Map<HostEventType, dynamic> >
onException({
- required ExceptionHandler handler,
inherited
Implementation
@override
StreamSubscription<Map<HostEventType, dynamic>> onException({
required ExceptionHandler handler,
}) {
final subsription = h.eventStream.listen((data) {
if (data.containsKey(HostEventType.error)) {
handler(exception: data.values.first);
}
});
h.exceptionListenerHandlers
.update(handler, (value) => subsription, ifAbsent: () => subsription);
return subsription;
}