Android system Package Description

Source: Internet
Author: User
Android. app: provides high-level program models and basic runtime Environments

Android. Content: contains various classes for accessing and publishing device data.

Android. Database: browses and operates databases through content providers

Android. Graphics: The underlying graphics library, including canvas, Color Filtering, vertices, and rectangles, which can be directly drawn to the screen.

Android. Location: class for locating and Related Services

Android. Media: Provides media interfaces for managing multiple types of audio and video.

Android.net: class that provides network access assistance, exceeding the normal java.net. * interface

Android. OS: Provides system services, message transmission, and IPC Mechanisms.

Android. OpenGL: Provides OpenGL tools.

Android. provider: provides a class to access Android content providers.

Android. Telephony: provides API Interaction Related to dialing.

Android. View: provides a basic user interface framework.

Android. util: a tool-based method, such as time and date operations.

Android. WebKit: default browser operation interface

Android. Widget: contains various UI elements (mostly visible) used on the application Screen

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