The document provides an overview of the Google+ API, focusing on its integration with OAuth 2.0 and REST APIs for Android and web applications. It includes instructions for signing in with Google+, accessing user activities and comments, and utilizing Google+ history features. Additionally, it discusses creating and managing OAuth tokens and the types of user moments that can be captured and shared through the API.

1. Google+ API
#GDG #DevFestJkt #DevFest #2012
Oon Arfiandwi <oon@7langit.com>
Manager of Google Developer Group Jakarta
http://gplus.to/oonid

2. so, what can be covered
in 35 mins?
Google+ API in general
OAuth2.0 + REST API
Sign in with Google+, get to know about
People, Activities & Comments
Let’s code in Android + Google Play Services
Google+ History

3. Google+ API
http://developers.google.com/+
Plugins for your website + REST API
Mobile Platform (Android, iOS, mobile web)
Hangout API
History API (developer preview)

4. OAuth 2.0
Generate OAuth 2.0 Token
via Google Play Services
GoogleAuthUtil.getToken()
via Google APIs Client Library for Java
create API Project with Google APIs Console
open browser to URL from GoogleAuthorizationCodeRequestURL
get Token via execute GoogleAuthorizationCodeTokenRequest

5. Activate Service:
Google+ API
Google+ History API
Create:
OAuth 2.0 client ID
Google APIs Console

6. String googleAuthorizationCodeRequestUrl = new GoogleAuthorizationCodeRequestUrl(
ShrdPrfsStore.CLIENT_ID,ShrdPrfsStore.REDIRECT_URI,ShrdPrfsStore.SCOPE).build();
webview.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
if (url.startsWith(SharedPrefsStore.REDIRECT_URI)) {
try {
if (url.indexOf("code=") != -1) {
// Url is like http://localhost/?code=4/Z5DgC1IxNL-muPsrE2Sjy9zQn2pF
String code = url.substring...
TokenResponse accessTokenResponse =
new GoogleAuthorizationCodeTokenRequest(
new NetHttpTransport(), new JacksonFactory(),
ShrdPrfsStore.CLIENT_ID, ShrdPrfsStore.CLIENT_SECRET,
code, ShrdPrfsStore.REDIRECT_URI).execute();
...
credentialStore.write(accessTokenResponse);
...
}
} catch (IOException e) {}
}
};
});
webview.loadUrl(googleAuthorizationCodeRequestUrl);

7. OAuth 2.0 login with
Google+ Account
Registered Product Name:
DevFestJktPro
SCOPE:
plus.me
plus.moment.write

8. “Public”
A
ctivities
Access Google+ Activities
using OAuth access token
as GoogleCredential
Filter the Google+
Activities by user and
collections (eg: “public”)
Create Simple ListView
based on Google+ Activity
Titles

9. Google+ History API
http://developers.google.com/+/history/preview/
“Google+ history is a collection of moments that
describe activities the user has engaged across the web
and apps.”
Google+ history API privately save moments, users can
share those moments with others.

10. Moments in History
Types of Moments
AddActivity
BuyActivity
CheckInActivity
ListenActivity
ReviewActivity ...
Moments target URL
must include
attribute from
schema.org markup
Request new type of
Moments?

11. G
oogle+
H
istory
Google+ History preview
user interface, available for
registered developer
History of CheckInActivity
History of AddActivity (+1)

12. Google+ API
The end
or is it the beginning?
(quote from G+ History)
Questions?