The document outlines the history and development of the Android operating system from its first internal release in November 2007 to Android 7.0 released on August 22, 2016. It highlights key features, updates, and names associated with each version, including significant releases like Android 1.0, which was the first commercial version, and the introduction of features like voice actions and multi-window support. Each version is indexed with its respective API levels, release dates, and notable capabilities.

1. THE
ANDROID
STORY

2. Alpha
• 1st internal release
• Released on November 2007
• Names of fictional robots were
chosen, "Astro Boy", "Bender”
• Dan Morrill created some of the first
mascot logos
• But the current green Android logo
was designed by Irina Blok later.

3. Beta
• 2nd internal release
• Released on November 5, 2007
• The November 5 date is popularly
celebrated as Android's "birthday".
• Public beta versions of the SDK were
released later.

4. Android 1.0
API Level 1
• First commercial version
• Released on September 23, 2008
• The first commercially available
Android device was the HTC Dream
• Features include Android market,
camera , Gmail, Maps, Google talk,
YouTube player , Wi-Fi …

5. Android 1.1
API Level 2
• Released on February 9, 2009
• Was known as "Petit Four" internally
• The update resolved bugs
• Changed the Android API

6. Cupcake
Android 1.5
API Level 3
• Released on April 27, 2009
• Support for Widgets
• Animated screen transitions, Auto-
rotation option
• Ability to upload videos
to YouTube, Picasa

7. Donut
Android 1.6
API Level 4
• Released on September 15, 2009
• Quick search box
• Screen size diversity
• Google play

8. Eclair
Android 2
API Level 5,6,7
• Released on October 26, 2009
• Google maps navigation
• Home screen customization
• Speech to text

9. Froyo
Android 2.2
API Level 8
• Released on May 20, 2010
• Voice action
• USB tethering and Potable hotspot
• Speed, memory, and performance
optimizations

10. Gingerbread
Android 2.3 – 2.3.3
API Level 9 -10
• Released on December 6, 2010
• Support for multiple cameras
• Gaming APIs, NFC
• Battery management

11. Honeycomb
Android 3.0, 3.1, 3.2
API Level 11, 12, 13
• Released in February 22, 2011
• Tablet friendly design
• System bar
• Quick settings

12. Icecream Sandwich
Android 4.0,4.0.3
API Level 14,15
• Released on October 18, 2011
• Customize home screen
• Android beam
• Data Usage control

13. Jelly Bean
Android 4.1-4.3
API Level 16-18
• Released on July 9, 2012
• Google Now
• Actionable notification
• Switchable account

14. KitKat
Android 4.4, 4.4.w
API Level 19, 20
• Released on October 31, 2013
• Ok Google
• Immersive design
• Smart Dialer

15. Lollipop
Android 5.0,5.1
API Level 21,22
• Released on November 12, 2014
• Material Design
• Notification
• Multiscreen

16. Marshmallow
Android 6.0
API Level 23
• Released on October 5, 2015
• Now on tap
• Permission can be turned off.
• Doze and app standby for battery
optimization.

17. Nought
Android 7.0
API Level 24
• Released on 22 August 2016
• Multi window
• Notification sheets
• Switch apps by double tapping in
overview button