Run an Android Application In Eclipse

As You have Seen In The Previous Blog How to set Up an Eclipse IDE to Work With Android Development
Once you have set up the Android Virtual Device You will now need to configure the Runimg or the debugging
For this You can go to Run->Run Configurations
On the Left Panel Select the Android Node

Click on the Browse and select the Hello_World Application that we have created Now click on run
You emulator will start working and you will get the following output

So you have now run your first android app congratulations!!!!!!!!! but your are Blank its OK that how it works we will be expert very soon

Now coming back to the eclipse

You will see a screen like this

In the Bottom left side you can see two tabs Graphical Layout and Activity_Main.Xml.Graphical Layout is self explanatory

Activity_Main.xml is xml file that defines the graphical lay out of you app 

In your emulator you can see Hello World because here in second last line         android:text="@string/hello_world" 

Now you can change this string as you desire and again run the applications you can see the changes as applied

THE JAVA FILE

In order to change the working of the android application we now need make the changes in the java file that is MainActivity.java

To locate this file go to the MainActvity as shown in the figure

You will find the following Java file

For the time being let just keep these things in the mind we will come back here later in greater details