Androids and its versions

Following are different versions of android:

• Android 1.5 Cupcake (April 2009)

• Android 1.6 Donut (September 2009)

• Android 2.0-2.1 Éclair (October 2009, January 2010)

• Android 2.2 Froyo (May 2010)

• Android 2.3 Gingerbread (December 2010)

• Android 3.0-3.2 Honeycomb (February 2011, May 2011, July 2011)

• Android 4.0 Ice-Cream Sandwich (October 2011)

• Android 4.1-4.3 Jellybean (July 2012, November 2012, July 2013)

• Android 4.4 Kit-Kat (October 2013)

• Android 5.0-5.1 Lollipop (November 2014, March 2015)

• Android 6.0 Marshmallow (October 2015)

• Android 7.0-7.1 Nougat (August 2016, December 2016)

• Android 8.0-8.1 Oreo (August 2017, December 2017)

• Android 9.0 Pie (August 2018)

• Android 10 (September 2019)

• Android 11 (September 2020)

Android 1.0:

Androids official debut was in 2008 with the release of Android 1.0. This version didn’t have code name. This was a simple upgradable android OS which include built-in apps like Gmail, Map, YouTube, etc.

In 2009, Android 1.5 (Cupcake) was released. This was first app with code name. Video recording option was included for the first time in this version. This version also supports third-party apps.

Later this year, Android 1.6 (Donut) was released. In addition to previous version, this version includes different screen resolutions and CDMA networking.

Android 2.0:

After 1.5 months, new version Android 2.0 (Éclair) was released. Mainstream was added for the first time in android. Live wallpapers and speech-to-text functions were also introduced for the first time in this version. Pinch to zoom and navigation guidance were also part of it.

In May 2010, Android 2.2 (Froyo) was released. This version includes front-cam, voice assistance. Android introduced support flash to Android web-browser for the first time. 

Android 2.3 (Gingerbread) was introduced in 2010 which became famous for its visual identity feature.

Android 3.0:

In 2011, Android 3.0 (Honeycomb) was released. This was only tablet-supported version. This includes on-screen buttons for the first time. New card like interface was introduced which replaced the traditional menu. This contains the list of recent apps.

Android 4.0:

Android 4.0 (ice-cream Sandwich) was release in the same year of previous release. This version included improvements in display and swapping of android. This version supported both tablets and apps.

Android 4.1 (Jelly-Bean) was introduced with a polished and poise capability. First Google Now was introduced in this version. This introduced Multi-user support and also includes feature of placing widgets on the screen.

In 2013, Android 4.4 (Kit-Kat) was introduced with the full panel UI. Standalone launcher was another feature of this version. The background was light colored. 

Android 5.0:

Android 5.0 (Lollipop) was introduced in late 2014. This was the start of a new era. A new feature showing the notifications on a lock screen was introduced in this version. This version provided a new look to the apps.

Android 6.0:

In 2015, Android 6.0 (Marshmallow) was released. Screen-search feature, app permissions, fingerprint reader and USB-c support were main additions of this version.

Android 7.0:

Android 7.0 (Nougat) was released in 2016. Google assistant, split-screen mode, notification organization and data saver feature was introduced in this version.

Android 8.0:

Android 8.0 (Oreo) was introduced with some extra ordinary features. Notification snoozing option, distinctive design, picture-in-picture mode and a better platform were mains of this system.

Android 9.0:

Android 9.0 (Pie) was introduced in august 2018. This version include button navigation system, back button, universal reply system for messaging, intelligence system for power and screen brightness management and a smarter way to handle Wi-Fi and battery saver mode.

Android 10.0:

September 2019 came with the release of Android 10.0. This version did not include code name. This includes tap-able back button and a hot-fix-style-update.

The code names of android versions from 1.5-9.0 are all named after sweet dishes and candies. Some says that founder of android are fond of sweets therefore they named android versions after sweets.

Some say that because is easy and as sweet as candies therefore, they are named after sweets.