Android is an open source which is introduced by the google. It is software package to develop application which can be executed on different device like mobile, tablet etc. Android runs on the Linux kernel system. We use SQLite database in android.
Android supports so many languages like java, C++, C# 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 6.0:- Marshmallow
Android 5.0:- Lollipop
Android 4.4:- Kitkat
Android 4.1-4.3 Jellybean
Android 4.0 IceCream Sandwich
Android 3.0 Honeycomb
Android 2.3 Gingerbread
Android 2.2 Froyo
Android 2.0-2.1 Éclair
Android 1.6 Donut
Android 1.5 cupcake
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
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.