Android

                                                                 Android

Android is mobile operating system which is based on Linux Kernal using Java Languag.                                                                                                               

It was originally developed by startup of same name, Android Inc in 2005.

Google wanted Android to be open and free most of the Android code was released under the open-source Apache License, which means that

anyone who wants to use Android can do so by downloading the full Android Source code.

Features of Android

Easy to understand use

Messaging -support both SMS and MMS.

Conectivity (Bluetooth,Wifi,GPRS)

Fast and Flexible

Time consumption

Tethring(Hotspot) supporte sharing of internet connections as wired/wirless.

Architecture of Android 4^th layer of Architecture in Android.

	Interface                                                   icon
	FrameWork(set priorty of every layer) Phone Manager ,Email,Message,Camera,Activity Manager,

 

 

LIBRARIES Sqlite                    OpenGL                                              Run time Environment                                                                                         Core Lib(lib of java)                                                                                    DVM(Dalvik virtual Machine) SLL                           SSL

	Linux Kernal(provide drivers) Phone Driver                   Camera Driver                            WiFi Driver Audio Driver                    keypad Driver

 

ANDROID TOOLS

1.JDK

2.ECLIPSE IDE(INTEGRATE DEVELOPMENT ENVIRONMENT)      ADT

3.SDK(SOFTWARE DEVELOPMENT KIT)

        3.a. AVD(ANDROID VIRTUAL DEVICE)

                (Debuging,Compiling,Testing)