Inside: file system, databases, sqltie, content providers.

1. Cloud
InteractionDesign
Android

2. Files
SharedPreferences OR Sqlite3

3. FilesShared Preferences Store private primitive data in key-value pairs.
Internal Storage Store private data on the device memory.
External Storage Store public data on the shared external storage.
SQLite Databases Store structured data in a private database.
Network Connection Store data on the web with your own network server.

4. Shared Preferences

5. Shared Preferences

6. Shared Preferences

7. Shared Preferences

8. SQLite

9. SQLite
data/data/package_name/databases/

10. SQLite

11. SQLite

13. SQLite
• bulkInsert()
– for inserting a bulk fast.

14. ContentProviders

15. ContentProvid
er
App1
App2
SQLite
WidgetSyncAdapter
CursorLoader

16. ContentProvid
er
App1
App2
SQLite
WidgetSyncAdapter
CursorLoader

17. Contactss PRovider

18. Contacts Provider

19. Flow of Data

20. Contacts Provider

21. Why?

22. Contacts Provider

23. CursorAdaptor