1page.title=Adding Sign-In
2page.tags=authentication,signin,social,google+
3page.article=true
4page.trainingcourse=true
5@jd:body
6
7
8<img src="{@docRoot}images/google/gps-googleplus.png"
9  width="300"
10  style="float:right;margin:0 0 20px 20px"
11  alt="Google maps sample image">
12
13<p>
14  The Google+ platform for Android lets you authenticate a user with the same credentials they use
15  on Google every day. Once a user signs in with Google, you can create more engaging experiences
16  and drive usage of your app.
17</p>
18
19<p>
20  The <a href="https://developers.google.com/+/mobile/android/">Google+ Android API</a> allows
21  you to integrate sign-in and social features into your app.
22</p>
23
24
25<h2 id="features">Key Developer Features</h2>
26
27<h4>Trusted authentication</h4>
28<p>
29  Google+ Sign-In is a simple, trusted, and secure way to let people sign in to your app with their
30  Google credentials and bring along their Google+ info.<br>
31  <a href="https://developers.google.com/+/mobile/android/sign-in" class="external-link">Add
32  sign-in</a>.
33</p>
34
35<h4>Access the profile and social graph</h4>
36<p>
37  Once users have signed in with Google, your app can welcome them by name, display their picture,
38  connect them with friends, and lots more.<br>
39  <a href="https://developers.google.com/+/mobile/android/people" class="external-link">Access the
40  social graph</a>.
41</p>
42
43<h4>Stand out in the stream</h4>
44<p>
45  Interactive posts is a rich way of sharing to Google+. It lets users prompt friends to take
46  specific actions in your app from a Google+ post, like "listen," "RSVP," "check-in," and over 100
47  more actions.<br>
48  <a class="external-link" href="https://developers.google.com/+/mobile/android/share">Post
49  interactive content</a>.
50</p>
51
52<h4>Recommend content</h4>
53<p>
54  Add a native +1 button so users can recommend content from your app. These endorsements can give
55  your app more credibility and help it grow faster.<br>
56  <a class="external-link" href="https://developers.google.com/+/mobile/android/recommend">Add the
57  +1 button</a>.
58</p>
59
60
61<h2 id="start">Get Started</h2>
62<p>
63  The Google+ Android APIs are part of the Google Play services platform. To use Google+ features,
64  set up the Google Play services SDK in your app development project. For more information, see
65  the <a class="external-link" href=
66  "https://developers.google.com/+/mobile/android/getting-started">Getting Started</a> guide for
67  the Google+ Platform for Android
68</p>