The Google+ platform for Android lets you authenticate a user with the same credentials they use on Google every day. Once a user signs in with Google, you can create more engaging experiences and drive usage of your app.
The Google+ Android API allows you to integrate sign-in and social features into your app.
Key Developer Features
Google+ Sign-In is a simple, trusted, and secure way to let people sign in to your app with their
Google credentials and bring along their Google+ info.
Access the profile and social graph
Once users have signed in with Google, your app can welcome them by name, display their picture,
connect them with friends, and lots more.
Access the social graph.
Stand out in the stream
Interactive posts is a rich way of sharing to Google+. It lets users prompt friends to take
specific actions in your app from a Google+ post, like "listen," "RSVP," "check-in," and over 100
Post interactive content.
Add a native +1 button so users can recommend content from your app. These endorsements can give
your app more credibility and help it grow faster.
Add the +1 button.
The Google+ Android APIs are part of the Google Play services platform. To use Google+ features, set up the Google Play services SDK in your app development project. For more information, see the Getting Started guide for the Google+ Platform for Android