subscribeEvent method

BroadcastSubscription subscribeEvent(
  1. dynamic key,
  2. VoidCallback callback
)

Subscribe to global event stream for given key. callback is triggered when broadcast or broadcastEvent with specified key is called.

Returns BroadcastSubscription to control and close subscription.

Implementation

BroadcastSubscription subscribeEvent(dynamic key, VoidCallback callback) {
  return subscribeTo(key, (_) => callback(), current: false);
}