Understanding the Android Local data store API

Leverage preferences, SQLite, and internal and external memory APIs

Being able to store data locally on a mobile device is a critical feature for applications that need to maintain critical information across application execution periods or lifetimes. As a developer, you often need to store information such as user preferences or application configuration. You must also decide whether you need to involve internal or external storage based on some characteristics, such as access visibility, or whether you need to handle more complex, structured data types. Follow this article to learn about the Android data storage API, specifically the preferences, SQLite, and internal and external memory APIs.

http://www.ibm.com/developerworks/cn/xml/x-androidstorage/

Understanding the Android Local data store API