initializeCallback method

Future<void> initializeCallback({
  1. void onNewEndpoint(
    1. PushEndpoint endpoint
    )?,
  2. void onRegistrationFailed(
    1. FailedReason reason
    )?,
  3. void onUnregistered(
    1. String instance
    )?,
  4. void onMessage(
    1. PushMessage message
    )?,
})

Implementation

Future<void> initializeCallback({
  void Function(PushEndpoint endpoint)? onNewEndpoint,
  void Function(FailedReason reason)? onRegistrationFailed,
  void Function(String instance)? onUnregistered,
  void Function(PushMessage message)? onMessage,
}) async {
  _onNewEndpoint = onNewEndpoint;
  _onRegistrationFailed = onRegistrationFailed;
  _onUnregistered = onUnregistered;
  _onMessage = onMessage;
}