Firebase Cloud Messaging: Difference between revisions
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AKA GCM | AKA GCM | ||
http://developer.android.com/google/gcm/index.html | |||
My understanding is this | |||
* Mobile client sends message to GCM via XMPP | |||
* GCM forwards message to 3rd party server (that's me). | |||
* 3rd party server can send messages to clients via GCM server. | |||
Advantages | |||
* Google server can do store and forward so neither mobile nor my server need be online 100% of the time. | |||
=== sample gcm server === | === sample gcm server === | ||
Revision as of 02:08, 26 May 2013
AKA GCM
http://developer.android.com/google/gcm/index.html
My understanding is this
- Mobile client sends message to GCM via XMPP
- GCM forwards message to 3rd party server (that's me).
- 3rd party server can send messages to clients via GCM server.
Advantages
- Google server can do store and forward so neither mobile nor my server need be online 100% of the time.
sample gcm server
Web App that runs in Tomcat
Sends a message to any registered Android devices that says "You got a message".
WebContent/
index.jsp just loads home via webmapping /home
WEB-INF/
lib/
- gcm-server.jar -- sources are at the root level in the gcm code
- json_simple-1.1.jar -- probably a json parser
Servlets
- RegisterServlet -- accepts connections
- UnregisterServlet --
- SendAllMessagesServlet -- sends a message to all registered devices
- HomeServlet - displays existing messages and allows sending a new one
