File list (Check if you may need any files):
Cal\.classpath
...\.project
...\AndroidManifest.xml
...\bin\Cal.apk
...\...\classes.dex
...\...\.om\beiyan\About.class
...\...\...\......\CalDao.class
...\...\...\......\MainActivity$cListener.class
...\...\...\......\MainActivity$equalListener.class
...\...\...\......\MainActivity$mcListener.class
...\...\...\......\MainActivity$mrListener.class
...\...\...\......\MainActivity$operListener.class
...\...\...\......\MainActivity$pointListener.class
...\...\...\......\MainActivity$showNumberListener.class
...\...\...\......\MainActivity$zfListener.class
...\...\...\......\MainActivity.class
...\...\...\......\R$attr.class
...\...\...\......\R$drawable.class
...\...\...\......\R$id.class
...\...\...\......\R$layout.class
...\...\...\......\R$string.class
...\...\...\......\R.class
...\...\resources.ap_
...\default.properties
...\gen\com\beiyan\R.java
...\hs_err_pid2532.log
...\proguard.cfg
...\res\drawable-hdpi\icon.png
...\...\.........ldpi\icon.png
...\...\.........mdpi\icon.png
...\...\layout\about.xml
...\...\......\main.xml
...\...\values\strings.xml
...\src\com\beiyan\About.java
...\...\...\......\CalDao.java
...\...\...\......\MainActivity.java
...\bin\com\beiyan
...\gen\com\beiyan
...\src\com\beiyan
...\bin\com
...\gen\com
...\res\drawable-hdpi
...\...\drawable-ldpi
...\...\drawable-mdpi
...\...\layout
...\...\values
...\src\com
...\assets
...\bin
...\gen
...\res
...\src
Cal