Google Contacts Authentication Using OAuth2 in Java

Question

I want to connect to Google Contacts API and access the contacts of any user who logins my application in Java

I am not able to find a proper documentation for this.

Please help me regarding this issue.

Answer 1

Please check if this helps you.

This is the documentation for using OAuth with Google Services.

Answer 2

The documents are very hectic and not clear at all.

Please let me know if you can give me a clear document of tutorial of how to proceed.

Thanks