addOnNewToken method

VoidCallback addOnNewToken(
  1. TokenHandler handler
)

Listen to new tokens. (Passing the result of FirebaseMessagingService#onNewToken to Flutter app) Multiple callbacks can be registered. Call the returned function to unsubscribe.

Implementation

VoidCallback addOnNewToken(TokenHandler handler) {
  _onNewTokenHandlers.add(handler);
  return () {
    _onNewTokenHandlers.remove(handler);
  };
}