What is Android

Android is an open source Mobile/ Smart TV operation system which is introduced by the google. It is software package to develop application which can be executed on different device like mobile, tablet, TVs etc. Android runs on the Linux kernel system. We use SQLite database in android.

Android supports so many languages like java, C++, C#, Kotlin etc. but Java is the most commonly language used in android. For this tutorial I am using Java Language. All the codes which we used are based on Java.

Android Versions

  1. Android 11.0:- Android 11
  2. Android 10.0:- Android 10
  3. Android 9.0:- Pie
  4. Android 8.0:- Oreo
  5. Android 7.0:- Nougat
  6. Android 6.0:- Marshmallow
  7. Android 5.0:- Lollipop
  8. Android 4.4:- Kitkat
  9. Android 4.1-4.3 Jellybean
  10. Android 4.0 IceCream Sandwich
  11. Android 3.0 Honeycomb
  12. Android 2.3 Gingerbread
  13. Android 2.2 Froyo
  14. Android 2.0-2.1 Éclair
  15. Android 1.6 Donut
  16. Android 1.5 cupcake

Android Installation

  1. First we need to install JDK( Java development kit) then we need to set the path of java in environment variable
  2. Then install Eclipse, or Android Studio
  3. Download Android SDK (Software Development Kit)
  4. Then add ADT (Android Development Tool) plugin and add it in eclipse.

Apart from this if we do not want to work with eclipse than we can also download the android studio and can work on it. In this tutorial I am using Android Studio for all application.