Basics of Android.
1. It is an operating system designed primarily for the smartphones and tablet devices and not exclusively for.
2. It is Linux based Kernel.
3. It is also known as a powerful operating system as it supports large number of applications on the smartphones.
The following are the versions with corresponding API level (Used for developing purpose, primarily) released in Android till date:
Pre-commercial release versions (2007–2008):
Android alpha 1.0 (API level 1)
Android beta 1.2 (API level 2)
Version history by API level:
Android 1.5 Cupcake (API level 3)
Android 1.6 Donut (API level 4)
Android 2.0 Eclair (API level 5)
Android 2.0.1 Eclair (API level 6)
Android 2.1 Eclair (API level 7)
Android 2.2–2.2.3 Froyo (API level 8)
Android 2.3–2.3.2 Gingerbread (API level 9)
Android 2.3.3–2.3.7 Gingerbread (API level 10)
Android 3.0 Honeycomb (API level 11)
Android 3.1 Honeycomb (API level 12)
Android 3.2 Honeycomb (API level 13)
Android 4.0–4.0.2 Ice Cream Sandwich (API level 14)
Android 4.0.3–4.0.4 Ice Cream Sandwich (API level 15)
Android 4.1 Jelly Bean (API level 16)
Android 4.2 Jelly Bean (API level 17)
Android 4.3 Jelly Bean (API level 18)
Android 4.4 KitKat (API level 19)
Why different version have been released?
Because the have rectified the bugs of the previous version. As people will not simply accept their claim of having rectified the bugs, the company also gives a new GUI (Graphical User Interface) for each versions they have released till date.
Interact 2 Innovate.