Using Google APIs Client for Android

Transcript

1. 別再手刻 APIs Client 了 使用 Google APIs Client for Android Yuren Ju
2. Yuren Ju • Open Source Community – Kalug – COSCUP – Hacking Thursday • Open Source Developer – Lazyscripts – Ubuntu 懶人包 – Mozilla Firefox OS • Android Developer
3. Web service API
4. 有很多種路可以走 ... • 手刻 – HttpGet/HttpPost • Restlet • Google APIs Client for Java! http://www.flickr.com/photos/fractalthoughts/4903092759/in/photostream/
5. Implementing an API method • Build URL • Get content (GET/POST) • Convert to object
6. 手刻 http://www.flickr.com/photos/carnivillain/2048440745/
7. Building URL
8. Getting Content (GET)
9. Getting Content (POST) http://blog.csdn.net/flying_tao/article/details/6553601
10. Converting to object
11. Google APIs Client Library for Java
13. Example http://<DOMAIN-NAME>/api/emails/819284?email=yurenju@gmail.com verifyEmail(“819284”, “yurenju@gmail.com”).execute();
14. Implementing an API method
15. Parameters Mapping http://<DOMAIN-NAME>/api/emails/819284?email=yurenju@gmail.com
16. GET v.s. POST
17. POST
18. Preconditions
19. Implementing an API method
20. Getting started! http://code.google.com/p/google-api-java-client/wiki/Setup
21. Example service
22. .jar files
23. No!!!!!!!
25. Create API Client
26. Use Builder pattern
27. HttpRequestInitializer
28. Create Model
29. Implement the API
30. 比較 • Get content (GET/POST) • Convert to object • Preconditions • Parameter mapping/Build URL
31. OAuth https://github.com/yurenju/AndroidTwitterGoogleApiJavaClient
32. Attention! Use xAuth on mobile! OAuth experience with pin code isn't good on mobile https://dev.twitter.com/docs/oauth/xauth
33. Android app Twitter OAuthGetTemporaryToken OAuthAuthorizeTemporaryTokenUrl Listen OnLoadPageFinished and parse pin code in webpage Enter username and password Show pin code Done!
34. OAuthGetTemporaryToken
35. OAuthAuthorizeTemporaryTokenUrl
37. Parse pin code in webview Don't do it on your production app, please use xAuth
38. Conclusion • Build URL • Handle POST/GET Method • Preconditions • Android, GAE and Java SE Compatibility
39. FAQ