addInstanceLifecycleEventListener method

void addInstanceLifecycleEventListener(
  1. InstanceLifecycleEventListener listener
)
override

Implementation

void addInstanceLifecycleEventListener(InstanceLifecycleEventListener listener) {
  if (!_instanceLifecycleEventListeners.contains(listener)) {
    _instanceLifecycleEventListeners.add(listener);
  }
}