1. 1. Introduction
2. Software development
3. Android Building Blocks
4. Android Features
Prepared By
Siddhesh
siddhesh@webxpress.in

2. What is Android?
 A software platform and operating system for mobile
devices
 Based on the Linux kernel
 An open platform for developers, users & industry
 Developed by Google and later the Open Handset Alliance
(OHA)
 Unveiling of the Android platform was announced on 5
November 2007 with the founding of OHA

3. What is the Open Handset Alliance (OHA)? (1)
 It's a consortium of several companies
 Devoted to advancing open standards for mobile devices
 Develop technologies that will significantly lower the cost of
developing and distributing mobile devices and services

4. Android Version Release Date Codename
1.1 9 February 2009
1.5 30 April 2009 Cupcake
1.6 15 September 2009 Donut
2.0/2.1 26 October 2009 Eclair
2.2 20 May 2010 Froyo
2.3 6 December 2010 Gingerbread
3.0 22 February 2011 Honeycomb
4.0 19 October 2011 Ice Cream Sandwich

5. Obtaining The Required Tools
• Java JDK
• Eclipse IDE (optional)
• Android SDK
• Android Development Tools (ADT )

6.  Main.xml: The main.xml file defines the user interface (UI) of your
application
 MainActivity.java: This MainActivity is the entry point of the
application, which is displayed when the application is started.
 AndroidManifest.xml: Here you specify the permissions needed
by your application.
For e.g. <uses-permission
android:name=“android.permission.INTERNET”></uses-
permission>
 String.xml: Store all the string constants in your application.
 R.java: As you add more files and folders to your project, Eclipse
will automatically generate the content of R.java.

7. A. Software Features
 Integrated browser based on the open source WebKit
engine
 SQLite for relational data storage
 Media support for common audio, video, and still image
formats(MPEG4, H.264,MP3,JPG, PNG,GIF)
 Google Maps is one of the feature bundled with the Android
platform
B. Hardware Features
 Cellular networking : GSM, 3G
 LAN : Bluetooth, and Wi-Fi
 Graphics Hardware Acceleration
 Camera, GPS and Compass
 Touch screen and accelerometer for motion sensing

8.  As such, in August 2008, Google announced the Android
Market, an online application store for Android devices, and
made it available to users in October 2008.
 Using the Market application that is preinstalled on their
Android device, users can simply download third-party
applications directly onto their devices.

9. THANK YOU
?