File list (Check if you may need any files):
button\.classpath
......\.project
......\.settings\org.eclipse.jdt.core.prefs
......\AndroidManifest.xml
......\bin\com\android\button\ButtonActivity.class
......\...\...\.......\......\R$attr.class
......\...\...\.......\......\R$drawable.class
......\...\...\.......\......\R$id.class
......\...\...\.......\......\R$layout.class
......\...\...\.......\......\R$string.class
......\...\...\.......\......\R.class
......\default.properties
......\gen\com\android\button\ButtonActivity.java
......\...\...\.......\......\R.java
......\proguard.cfg
......\res\drawable-hdpi\icon.png
......\...\.........ldpi\icon.png
......\...\.........mdpi\icon.png
......\...\layout\main.xml
......\...\values\strings.xml
......\src\com\android\button\button.java
......\bin\com\android\button
......\gen\com\android\button
......\src\com\android\button
......\bin\com\android
......\gen\com\android
......\src\com\android
......\bin\com
......\gen\com
......\res\drawable-hdpi
......\...\drawable-ldpi
......\...\drawable-mdpi
......\...\layout
......\...\values
......\src\com
......\.settings
......\assets
......\bin
......\gen
......\res
......\src
button