BASICS OF ANDROID OS AND APPLICATIONS.

INTRODUCTION

Android operation system is based on Linux kernel.
  

Now first of all what is a kernel?

---- In easy terms it's the inner part of OS containing drivers for OS and libraries for hardware devices. So ,basically its the heart of an operating system. 

Android OS consists of four parts:

Applications : like browser, contacts, music player , gallery ,etc.

Applications Frame Work : Api which helps in high level interaction with android system.

Libraries and Runtime : They help the application to run , as straightforward as that. For example , web browsing , rendering ,etc. 

ANDROID APPLICATION

MAIN BUILDING BLOCKS