How to get the counts of new mail(Gmail)

[cyber ms]

Question 1: How to get new mail counts, the study found was the following way, right?

(

1. "https://ID:PASSWORD @ mail.google.com / mail / feed / atom"of retrieving information in XML to access the inbox.

2. Obtained by parsing the XML, retrieve the contents of the "<fullcount>"tag.

Question 2: Like Google Calendar, Please tell me if there is a way to get a new mail counts using the JSONP.

Question 3: Authentication without the use of OAuth, Please tell me if there is a way that can be authenticated by SSO with SAML.

[cyber ms]

There is a problem following the above...

1. Google Calendar as "http://www.google.com/calendar/feeds/EMAILADDRESS/public/full?alt=json-in-script&callback=CALLBACKFUNCTION" as such Not be able to use JSONP.

2. If you are able to obtain authentication OAuth, each individualuser "https://www.google.com/accounts/ManageDomains" at
"https://myschool.ac.jp/" must allow access from, "https://myschool.ac.jp/" GMail is using the SAML The OAuth must be set separately so that the SSO will double.

pleas help.