This is <android 开发入门> Book helloworld code, java environment, run under eclipse.

5\HelloWorld\.classpath
.\..........\.project
.\..........\AndroidManifest.xml
.\..........\default.properties
.\..........\src\com\eoeAndroid\HelloWorld\ActivityMain.java
.\..........\res\values\strings.xml
.\..........\...\layout\main.xml
.\..........\...\drawable\icon.png
.\..........\bin\com\eoeAndroid\HelloWorld\ActivityMain.class
.\..........\...\...\..........\..........\R.class
.\..........\...\...\..........\..........\R$drawable.class
.\..........\...\...\..........\..........\R$string.class
.\..........\...\...\..........\..........\R$layout.class
.\..........\...\...\..........\..........\R$attr.class
.\..........\...\resources.ap_
.\..........\...\classes.dex
.\..........\...\HelloWorld.apk
.\..........\.settings\org.eclipse.jdt.core.prefs
.\..........\gen\com\eoeAndroid\HelloWorld\R.java
.\..........\src\com\eoeAndroid\HelloWorld
.\..........\bin\com\eoeAndroid\HelloWorld
.\..........\gen\com\eoeAndroid\HelloWorld
.\..........\src\com\eoeAndroid
.\..........\bin\com\eoeAndroid
.\..........\gen\com\eoeAndroid
.\..........\src\com
.\..........\res\values
.\..........\...\layout
.\..........\...\drawable
.\..........\...\drawable-hdpi
.\..........\...\drawable-mdpi
.\..........\...\drawable-ldpi
.\..........\bin\com
.\..........\gen\com
.\..........\src
.\..........\res
.\..........\bin
.\..........\assets
.\..........\.settings
.\..........\gen
.\HelloWorld
5

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