Exploring the Structure of an Android Application

AndroidManifest.xml

- The Android application descriptor file. This file defines the activities, content providers, services, and intent receivers of the application. You can also use this file to declaratively define permissions required by the application, as well as grant specific permissions to other applications useing the services of the application. Moreover, the file can contain instrumentation detail that you can use to test the application or another application.

src

- A folder containing all of the source code fo the application

asserts

- An arbitrary collection of folders and files

res

- A folder containing the resources of the application. It's the parent folder of drawable, anim, layout, values, xml, and raw.

drawable

- A folder containing the images or image-descriptor files use by the application.

anim

- A folder containing the XML-descriptor files that describe the animations used by the application.

layout

- A folder containing views of the application. You should create your application's view by useing XML descriptors rather than coding them.

values

- A folder containing other resources used by the application. All the resource in the folder are also defined with XML descriptors. Examples of resources included in this folder incluide strings, styles, and colors.


xml

- A folder containing additional data-possibly non-XML data-that is required by the application.