Android Introduction


Android Introduction

Android

It is a mobile operating system that is based on a modified version of Linux. It was originally developed by a startup of the same name, Android, Inc. In 2005, as part of its strategy to enter the mobile space, Google purchased Android and took over its development work (as well as its development team).



Note                     Download ADT Plugin Here.
Here I am using,
OS : Linux (Ubuntu 13.04)
Eclipse :  (Version 4.2.1)
Android API Level : 3 to 'n' as per need
Emulator API Level : It will be displayed in output image    



                                  Create your 1st Android Application




Step 1 : Open File -> New -> Project 














Step 2 : Now Double Click on "Hello World"  : 




Step 3 : Open src -> package -> MainActivity.java  : 










Step 6 : Save our Android Application Project. 
Open Window -> AVD Manager 











Step 7 : Now Execute our Application in three different ways.
That are :
          1. Right Click Application Folder (First_Android_Application) -> Run As -> 1 Android Application
          2. Run -> Run As -> 1 Android Application
          3. Press "Run As.." button in Toolbar




Our output will be like this :