1. The journey of Android
Google

2. Android Operation System
Linux Based Operating System
Developed in C,C++ & java Programming Language
Open Source
Google Released this under Apache License

3. Facts about Android
• 48 Billion Games on Google Play
• Application Framework
• Integrated (webkit) browser
• 2D and 3D graphics APIs with HW
• SQLite
• Video and audio codecs
• Bluetooth, EDGE, 3G, and WiFi
• Camera, GPS, compass, and accelerometer
Fast & easy application development

4. Android Architecture

5. Versions Of Android & its distribution
 1.5 Cup cake(0%)
 1.6 Donut(0.1%)
 2.0-2.1 Éclair(1.5%)
 .2.2-Froyo(3.2)
 2.3-Gingerbread(36.4%)
 3.1-Honey Comb(0.1%)
 4.0 ICS(25.6)
 4.1-4.2 Jelly bean(29%)
 Total Android Market share is 75%
Honeycomb
Android3.0-3.2
Ice cream Sandwich
Android 4.0+

6. Distribution of Devices

7. Possibilities
• software stack for mobile devices
– incl. OS, middleware and key applications
• Open source – source code is open and contributions
are welcome
• application framework enabling reuse/replacement of
apps
• Dalvik virtual machine optimized for mobile
• integrated browser based on webkit
• Optimized graphics – 2D graphics library, 3D based on
OPEN GL ES
• SQLite for data storage
• Media support (MPEG4, H.264, MP3, AAC, JPG, PNG,…)
• Support for radio interfaces, Bluetooth, WiFi, Camera,
GPS, accelerometer
• Software Development Kit (SDK)
• Preinstalled applications from Google (GMS)
– Gmail, Maps, Search, Voice Search, Youtube

8. Security & Privacy
• Sandbox
• Google play ask for permissions before installation
• i.e Hardward & software access
• Antivirus

9. Memory & Power management
 Applications will be suspended it in memory when app is not in
use & suspended apps consume no resources
 App sit idly in the background until needed again

10. Latest version 4.2.2 Jelly bean
 Multiusers
 It’s your fully customized tablet. And theirs, too. With support for multiple
users, you can give each person their own space. Everyone can have their
own homescreen, background, widgets, apps and games – even individual
high scores and levels! And since Android is built with multitasking at its
core, it’s a snap to switch between users – no need to log in and out.
Available only on tablets.
 Share what’s on your phone on the big screen. Wireless Connectivity)
 Expandable & Actionable Notifications
 Day Dream
 Fast & smooth(Buttery & silky transitions)
 Amazing Photo Sphere camera
 A smarter keyboard, now with Gesture Typing