是的，您应该按照以下步骤将应用程序连接到通知中心.

Yes, you should follow that steps to connect your app to the notification hub.

当前，Google正在从Google Cloud Messaging(GCM)平台迁移到Firebase Cloud Messaging(FCM).

Currently, Google is migrating from the Google Cloud Messaging (GCM) platform to Firebase Cloud Messaging (FCM).

• 因此，首先，您需要从 Google的Firebase控制台创建一个新项目.
• 然后将Firebase添加到您的Android应用中，您可以按照本指南中的步骤操作.
• 然后将您的应用连接到通知中心.

• So, first of all, you need to create a new project from Google's Firebase Console.
• Then add Firebase to your Android app, you can follow the steps in this guide.
• Then configure a new notification hub.
• Finally, connect your app to the notification hub.

此时，您可以使用 Azure门户网站向Android应用发送推送通知.

At this point, you can send push notifications to Android app with the Azure portal.