What is manifest file in Android?

Question

Can anybody explain me in simple words what is the use of Manifest file and R.java file in android.

Why do we need these files while making an application?

Answer 1

check this link,

http://developer.android.com/guide/topics/manifest/manifest-intro.html

Manifest

Every application must have an AndroidManifest.xml file (with precisely that name) in its root directory. The manifest presents essential information about the application to the Android system, information the system must have before it can run any of the application's code

R.Java

It will have identifier for all resource used in our project

thank you.