Android is a mobile operating system which was developed by Google. It is based on the modified versions of Linux kernel and Other open source software and is designed primarily for touchscreen mobile devices such as smartphones and tablets.
Today Android has gain so much popularity and it is also the most demanding in the Industry. Today there are thousands of applications available for specific purposes.
Android applications are designed in an IDE called Android Studio where we can design our applications and its interface according to our choice. Backhand coding of Android applications development is done using Java language while the front-end coding of the Android application (interface of our application) is coded using XML.
Android applications can be used for several purposes like for entertainment purpose and for our specific work also. Today every company, organization, or banks, etc., are using their several applications in which they are providing a lot of functions or feature to their customers.
Android supports a touch screen and is difficult to use without one. You can use a trackball for some navigation, but nearly everything is done through touch. Android also supports multi-touch gestures such as pinch-to-zoom.