sdk/src/com/socialize/SmartAlertUtils.java
public static boolean onMessage(Context context, Intent intent) {
		assertInitialized(context);
		
		Bundle messageData = intent.getExtras();
		
		if(messageData != null) {
			String source = messageData.getString(C2DMCallback.SOURCE_KEY);
			if(source != null && source.trim().equalsIgnoreCase(C2DMCallback.SOURCE_SOCIALIZE)) {
				handler.onMessage(context, intent);
				return true;
			}
		}

		return false;		
	}
public static boolean onMessage(Context context, Intent intent) {
		assertInitialized(context);
		
		Bundle messageData = intent.getExtras();
		
		if(messageData != null) {
			String source = messageData.getString(C2DMCallback.SOURCE_KEY);
			if(source != null && source.trim().equalsIgnoreCase(C2DMCallback.SOURCE_SOCIALIZE)) {
				handler.onMessage(context, intent);
				return true;
			}
		}

		return false;		
	}
Handles a GCM message.  Returns true ONLY if this message was intended for Socialize.
@param context
@param intent
@return