startBehaviorActivatedListener function

CancelListener startBehaviorActivatedListener(BehaviorActivatedListener listener)

Listens for the start of behaviors that has been passed into Config.overrideBehavior.

var behaviorActivatedCancel = startBehaviorActivatedListener((action, data) {
  print('action is ' + action);
  print('url is ' + data['url']);
});

Returns a function that can cancel the listener.

Implementation

CancelListener startBehaviorActivatedListener(
    BehaviorActivatedListener listener) {
  var subscription = _behaviorActivatedChannel
      .receiveBroadcastStream(eventSinkId.behaviorActivatedId.index)
      .listen((behaviorString) {
    dynamic behaviorObject = jsonDecode(behaviorString);
    dynamic action = behaviorObject[EventParameters.action];
    dynamic data = behaviorObject[EventParameters.data];
    listener(action, data);
  }, cancelOnError: true);

  return () {
    subscription.cancel();
  };
}