Android(安卓)project structure

AndroidManifest.xml: An XML file describing the application being

built and which components—activities, services, and so on—are

being supplied by that application.

bulid.xml: An Ant script for compiling the application and installing it

on the device.

defalt.properties and local.properties: Property files used by the

Ant build script.

asset: A folder that holds other static files you wish packaged with

the application for deployment onto the device.

bin: A folder that holds the application once it is compiled.

gen: Where Android’s build tools will place source code that they

generate.

libs: A folder that holds any third-party JARs your application

requires.

src: A folder that holds the Java source code for the application.

res: A folder that holds resources—such as icons, graphic user

interface (GUI) layouts, and the like—that are packaged with the

compiled Java in the application.

tests: A folder that holds an entirely separate Android project used

for testing the one you created.

res/drawable: For images (PNG, JPEG, etc.).

res/layout: For XML-based UI layout specifications.

res/menu: For XML-based menu specifications.

res/raw: For general-purpose files (e.g., a CSV file of account

information).

res/value: For strings, dimensions, and the like.

res/xml: For other general-purpose XML files you wish to ship.

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