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Building Android Applications that Use Web APIsYaniv Inbar, Senior Software Engineer, GoogleSriram Saroop, Product Manager, Google
#io12 #AndroidWebAPIs
Android and Web APIs
Web
AP
IsE
ndpo
ints
#io12 #AndroidWebAPIs
Blogger APIBooks APICalendar APIDrive APIGoogle+ APIPrediction APITasks APITranslate APIYouTube API
Google's Web APIs
Web
AP
Is#io12 #AndroidWebAPIs
Google Client Libraries for Java
HTTP (goo.gl/onpMx)
OAuth (goo.gl/dXFtZ)
Google API Libraries & Base Library(goo.gl/yV6R6)
#io12 #AndroidWebAPIs
Open Source (Apache License 2.0)
Client Library Architecture
HTTP Android App Engine JSON XML
OAuth 2.0
OAuth 1.0a
Partial JSON Batch Media JSON
Errors
Blogger Calendar Google+ Tasks Translate
HTTP
OAuth
Google Base Lib
API Libraries
#io12 #AndroidWebAPIs
Google's Web APIs References
#io12 #AndroidWebAPIs
Google APIs: Getting Startedyoutu.be/SZj6rAYkYOg
Optimizing Your Code Using Features of Google APIsgoo.gl/dNwik
OAuth 2.0
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requests with access tokenstart app
Google Auth Server
allow app?access token
valid access token?
OAuth 2.0 Scopes
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Calendar API
Scope Permissioncalendar Manage your calendarscalendar.readonly View your calendars
e.g. https://www.googleapis.com/auth/calendar.readonly
OAuth 2.0 Reference
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OAuth 2.0 for Identity and Data Accessgoo.gl/d7jFg
Using OAuth 2.0 to Access Google APIsgoo.gl/W1hUc
“OAuth on Android is complicated”
AccountManager Woes (Froyo)
#io12 #AndroidWebAPIs
Old Way
Google Play services (Froyo)
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Coming
Soon
AccountPicker in Google Play services (Froyo)
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Coming
Soon
Google Play services
#io12 #AndroidWebAPIs
Coming Soon
● Froyo or later● Readable permissions● AccountPicker● Secure: application signature
○ No API key● Token Caching
○ No expired tokens
https://developers.google.com/android/google-play-services
Demo: Calendar API Sampleopen source at goo.gl/1WIY4
Google Cloud Endpoints
Google Cloud Endpoints:Backend for Mobile and Web Apps
Storage
Web APIs
End
poin
ts
Trusted Tester
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ApplicationBackend
Google Cloud Endpoints:
ApplicationBackend
Google Cloud Messaging for Android
End
poin
ts
Trusted Tester
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Endpoints Use Cases
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Trusted Tester
● Centralize business logic, computation, and storage● Share application state across devices● Google Cloud Messaging to push notifications to devices
Sign Uphttp://endpoints-trusted-tester.appspot.com
Demo: CloudNotes Endpoints Sampleopen source at goo.gl/ZlN2E
Google Cloud Endpoints References
#io12 #AndroidWebAPIs
Building Mobile App Engine Backends for Android, iOS and the Webgoo.gl/AhPXd
HTML5 and App Engine: The Epic Tag Team Take on Modern Web Apps at Scalegoo.gl/U0zXy
Google I/O Codelabs
Building REST APIs for Mobile with App EngineFriday, 11:00AM - 1:00PM
Building Android Applications that use Web APIsFriday, 1:15PM - 3:15PM
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Thank You!Yaniv Inbar, Senior Software Engineer, GoogleSriram Saroop, Product Manager, Google
#io12 #AndroidWebAPIs