android development: Collection of libraries in android
Android Libraries for developing the application. Core APIs for android Android offers a number of APIs for developing your applications. The following list of core APIs should provide an insight into what’s available; all Android devices will offer support for at least these APIs: android framework ❑ android.util The core utility package contains low-level classes like specialized containers, string formatters, and XML parsing utilities. ❑ android.os The operating system package provides access to basic operating system services like message passing, interprocess communication, clock functions, and debugging. ❑ android.graphics The graphics API supplies the low-level graphics classes that support canvases, colors, and drawing primitives, and lets you draw on canvases. ❑ android.text The text processing tools for displaying and parsing text. ❑ android.database Supplies the low-level classes required for handling cursors when working with databases. ❑ android.content The content API is