Android-The present Operating
System
§ As you all know that
technologies are moving faster these days so they launched a new operating
system called android.
§ It is linux based
operating system and it is primarily designed for touch screen mobiles like
tablet and smart phones.
§ This was first developed
whom google was financially backed and later purchased in 2005 and later the
first phone was unvieled in 2008.
§ Android was developed in
Palo Alto, California in 2003 by Andy Rubin, Rich Miner, Nick sears and Chris
white.
§ And mainly 5th
November is android’s birthday.
Versions of android:
Ø Android alpha:
Android alpha was released in November 2007.
The second release was “R2-D2”.
Ø Android beta:
Android beta was released on 5th November 2007.
And software development kit was realesed on 12th
November.
Some beta versions-
M3-rc22a
M3-rc37a
M5-rc14
M5-rc15
0.9
1.0-r1
Version by API level:-
Ø Level1-Android 1.0:
Released on 23rd September 2008.
the first device was
HTC dream.
Android market
application download through market
apps.web browser to show zoom and panfull HTML And XHTML. camera support and
icons as well as access to web services were also supporting POP3,IMAP4,SMTP.
Gmail, google calendar, google contacts, google search and google ssmaps were
synchronized with their apps. bluetooth support , wi-fi and media player were
some other apps.
Ø Level2-Android1.1
Released on 9th November 2009.
It was known as “petit four”.
Details and reviews were available, and available to save
attachments and support for marquee in system layout.
Ø Level3-Android1.5[cupcake]:
Released on 30th april 2009 which was known as cupcake
a dessert based.
Able to upload photos, videos, animated screen transactions, it
also added auto rotation and video recording n payback in MPEG-4 and 3GP
formats.
Ø Level4-Android1.6[donut]:
Released on 15th September 2009 which was known as
donut.
Easier searching and ability to view screenshots gallery
,camcorder and camera were accessed faster and updated technology support for
CDMA/EDVO.
And speed improvement in searching.
Ø Level5-Android2.0[eclair]:
Released on 26th October 2009 which was known as éclair
Expanded account sycn, exchange email support, and improved bluetooth
2.1,google maps 3.1.2,
Motion event class to enhance track multi touch events.
Ø Level6—Android2.01[eclair]:
Released on 3rd December 2009.
Minor changes were done like bug fixses and framework behavior
changes.
Ø Level7-Android2.1[eclair]
Released on 12th January 2010.
Minor amendments to API and bug fixses.
Ø Level8-Android2.2x[froyo]
Released on 20th may 2010 which is known as froyo.
Speed , memeroy and performance optimizations and speed
improvements implemented through JIT compilation.
Improved shortcuts to phones, support for installing applications
and adobe flash support.
2.2.1 was released on 18th January 2011.
2.2.2 was released on 22nd January 2011.
2.2.3 was released on 21st November 2011.
Ø Level9-Android2.3-2.3.2[gingerbread]
Released on 6th December 2010 which is known as
gingerbread.
Native support for all sensors, concurrent garbage collection for
increased performance, support for multiple cameras and updated user interface
for increased simplicity and speed, new download manager, faster input text and
new audio effect.
2.3.1 was released on December 2010.
2.3.2 was released on January 2011.
Ø Level10-Android2.3.3-2.3.7[gingerbread]
2.3.3 was released on 9th February 2011 which had
several improvements.
2.3.4 was released on 28th april 2011 Which supports
video chat using google talk.
2.3.5 was released on 25th july 2011 which improved network
performance fixed bluetooth on Samsung galaxy, battrery effieciency, and camera
software enhancement.
2.3.6 was released on 2nd September 2011 which fixed a
voice search for bug.
2.3.7 was released on 21st September 2011 which
introduced google wallet support.
Ø Level11-Android3.0[honeycomb]:
Released on 22nd feburary 2011 which is called
honeycomb and the first device was Motorola xoom tablet.
It helps in file system in userspace and HTTP stack improved,
hardware acceleration improved, and support for multi core processers,
Multiple browser, more intuitive copy/paste interface and ability
to encrypt all user data.
Ø Level12-Android3.1[honeycomb]:
Released on 10th may 2011.
Which supports HTTP proxy for each connected wi-fi access point
and supports for joy sticks and game pads expands recent app list.
Ø Level13-Android3.2[honeycomb]:
Released on 15th july 2011.
Improved hardware support, compability display mode for app and
new display functions.
3.2.1 was released on 20th September 2011 which
improved the security and stability and wi-fi improvements.
3.2.2 was released on 30th august 2011 which just
improvrd minor improvements.
3.2.3 which just improved minor improvements
3.2.4 was released on
December 2011 which supports “pay as you go ” for 3G and 4G tablets.
3.2.5 was released on January 2012.
3.2.6 was released on February 2012.
Ø Level14-Android4.0-4.0.2[ice
cream sandwich]:
Released on 19th October 2011 which was known as ice
cream sandwich.
Easier to create folders with drag and drop style
Improved to access app directly, wi-fi direct, 1080p video
recording and new tabbed web browser for google chrome,built-in photo editor
4.0.1 was released on 21st october 2011 which improved
some bugs for Samsung galaxy
4.0.2 was released on 28th November 2011
Ø Level15-Android4.0.3-4.0.4[ice
cream sandwich]:
4.0.3 was released on 16th December 2011which improved
numerous bug fixes and improvements to graphics, data bases and bluethooth
functionality.
4.0.4 was released on 29th march 2012 which improved
smoother screen rotations and phone number recognisations and stability
improvements.
Ø Level16-Android4.1[jellybean]:
Released on 9th july 2012 and the first device to run
jelly bean was nexus7 which has enhanced accessibility, expandable
notifications,improved voice search and camera app.
Multichannel audio and USB audio, google wallet was also improved
4.1.1 was released on 23rd july 2012 which fixed a bug
to change screen orientation.
4.1.2 was released on 9th October 2012 which improved
lock home screen rotation , bug fixes and performance enhancements.
Ø Level17-Android4.2[jellybean]:
Released on 13th November 2012 and the first devices to
run LGs nexus4 and Samsung nexus 10.
It introduced day dream screen saver and multiple accounts could
be opened and always on VPN
New clock app was introduced and premium SMS confirmation was
introduced.
4.2.1 was released on 27th November 2012 which added
bluetooth and joy sticks are supported.
At present this is the last version as technologies are moving
faster stil new versions mite be released so you haave to wait for that.
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