firebase - 没有为“FirebaseMessaging”类型定义“配置”方法

Question

我是颤振的初级。有人能帮我吗？

_firebaseMessaging.configure(
    onMessage: (message) async {
      print('onMessage: $message');
      showNotification(
        message['data'] != null
            ? message['data']['title'] ?? 'Service App'
            : 'Service App',
        message['data'] != null
            ? message['data']['body'] ?? 'Service App'
            : 'Service App',
      );
    },
    onResume: (message) async {
      print('onResume: $message');
    },
    onLaunch: (message) async {
      print('onLaunch: $message');
    },
  );
}

标签： firebaseflutterfirebase-cloud-messaging