Overview of Push Technologies for Android

The push notification feature of the Kii Cloud SDK for Android is built on FCM. FCM is an implementation of a push notification feature by Google.

This topic explains the basic information required for using these technologies.

GCM and FCM

FCM is the succeeding service of Google Cloud Messaging (GCM).

Choose FCM if you are developing a new mobile app, though Kii Cloud supports both GCM and FCM. GCM users are recommended to upgrade to FCM.

When you add the FCM-based push into your mobile app, Kii Cloud uses the API symbol names for GCM and you configure FCM in the GCM section of the developer portal. The Kii Cloud SDK and server process interaction with GCM and FCM in the same way while the mobile app uses APIs of different libraries for GCM and FCM.

This guide basically covers FCM only. Information for GCM is kept for maintaining legacy apps.