Firebase Cloud Messaging (FCM) is the new version of GCM. It inherits the reliable and scalable GCM infrastructure, plus new features! See the FAQ to learn more. If you are integrating messaging in a new app, start with FCM. GCM users are strongly recommended to upgrade to FCM, in order to benefit from new FCM features today and in the future. Before you go, please visit our GCM and FCM developer survey to give us feedback!

Class List

Class List
The classes and protocols in Google Cloud Messaging for iOS:
 CGCMConfigConfig used to set different options in Google Cloud Messaging
 CGCMPubSubGcmPubSub provides a publish-subscribe model for sending GCM topic messages
 C<GCMReceiverDelegate>Delegate for receiving status of upstream messages sent via Google Cloud Messaging
 CGCMServiceGoogleCloudMessaging (GCM) enables apps to communicate with their app servers using simple messages

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Cloud Messaging
Cloud Messaging