||Base class for communicating with Google Cloud Messaging.
||Class to create apps with robust "send-to-sync", which is the mechanism to sync data with
servers where new information is available.
||GcmPubSub provides a publish-subscribe model for sending GCM topic messages.
WakefulBroadcastReceiver that receives GCM messages and delivers them to an
||Implemented by the client application to provide an endpoint for the
to call back to when a task is ready to be executed.
||GoogleCloudMessaging (GCM) enables apps to communicate with their app servers
using simple messages.
||A task that will execute once,at some point within the specified window.
||A periodic task is one that will recur at the specified interval, without needing to be
||Encapsulates the parameters of a task that you will schedule on the
||Builder object to construct these tasks before sending them to the network manager.
||Container of parameters handed off to the client app in