Understanding Of Android Project Structure

Android Project Structure

Please find the discriptions in below table..Project Flow

s.no	Folder, File & Description
1	src This contains the .java source files for your project. By default, it includes an MainActivity.java source file having an activity class that runs when your app is launched using the app icon.
2	gen This contains the .R file, a compiler-generated file that references all the resources found in your project. You should not modify this file.
3	bin This folder contains the Android package files .apk built by the ADT during the build process and everything else needed to run an Android application.
4	res/drawable-hdpi This is a directory for drawable objects that are designed for high-density screens.
5	res/layout This is a directory for files that define your app's user interface
6	res/values This is a directory for other various XML files that contain a collection of resources, such as strings and colours definitions.
7	AndroidManifest.xml This is the manifest file which describes the fundamental characteristics of the app and defines each of its components.