File list (Check if you may need any files):
calculator
..........\.classpath
..........\.project
..........\.settings
..........\.........\org.eclipse.jdt.core.prefs
..........\AndroidManifest.xml
..........\assets
..........\bin
..........\...\AndroidManifest.xml
..........\...\R.txt
..........\...\classes
..........\...\.......\android
..........\...\.......\.......\support
..........\...\.......\.......\.......\v7
..........\...\.......\.......\.......\..\appcompat
..........\...\.......\.......\.......\..\.........\R$anim.class
..........\...\.......\.......\.......\..\.........\R$attr.class
..........\...\.......\.......\.......\..\.........\R$bool.class
..........\...\.......\.......\.......\..\.........\R$color.class
..........\...\.......\.......\.......\..\.........\R$dimen.class
..........\...\.......\.......\.......\..\.........\R$drawable.class
..........\...\.......\.......\.......\..\.........\R$id.class
..........\...\.......\.......\.......\..\.........\R$integer.class
..........\...\.......\.......\.......\..\.........\R$layout.class
..........\...\.......\.......\.......\..\.........\R$string.class
..........\...\.......\.......\.......\..\.........\R$style.class
..........\...\.......\.......\.......\..\.........\R$styleable.class
..........\...\.......\.......\.......\..\.........\R.class
..........\...\.......\cn
..........\...\.......\..\cslg
..........\...\.......\..\....\calculator
..........\...\.......\..\....\..........\BuildConfig.class
..........\...\.......\..\....\..........\MainActivity$1.class
..........\...\.......\..\....\..........\MainActivity.class
..........\...\.......\..\....\..........\R$anim.class
..........\...\.......\..\....\..........\R$attr.class
..........\...\.......\..\....\..........\R$bool.class
..........\...\.......\..\....\..........\R$color.class
..........\...\.......\..\....\..........\R$dimen.class
..........\...\.......\..\....\..........\R$drawable.class
..........\...\.......\..\....\..........\R$id.class
..........\...\.......\..\....\..........\R$integer.class
..........\...\.......\..\....\..........\R$layout.class
..........\...\.......\..\....\..........\R$menu.class
..........\...\.......\..\....\..........\R$string.class
..........\...\.......\..\....\..........\R$style.class
..........\...\.......\..\....\..........\R$styleable.class
..........\...\.......\..\....\..........\R.class
..........\...\classes.dex
..........\...\dexedLibs
..........\...\.........\android-support-v4-86094f371890bc28e322368ab083340c.jar
..........\...\.........\android-support-v7-appcompat-31f82c667574103a4482a23a8410ae2d.jar
..........\...\.........\appcompat_v7-c8fed6829e5b534e5a873b9af444155a.jar
..........\...\jarlist.cache
..........\...\res
..........\...\...\crunch
..........\...\...\......\drawable-hdpi
..........\...\...\......\.............\ic_launcher.png
..........\...\...\......\drawable-mdpi
..........\...\...\......\.............\ic_launcher.png
..........\...\...\......\drawable-xhdpi
..........\...\...\......\..............\ic_launcher.png
..........\...\...\......\drawable-xxhdpi
..........\...\...\......\...............\ic_launcher.png
..........\...\resources.ap_
..........\gen
..........\...\android
..........\...\.......\support
..........\...\.......\.......\v7
..........\...\.......\.......\..\appcompat
..........\...\.......\.......\..\.........\R.java
..........\...\cn
..........\...\..\cslg
..........\...\..\....\calculator
..........\...\..\....\..........\BuildConfig.java
..........\...\..\....\..........\R.java
..........\ic_launcher-web.png
..........\libs
..........\....\android-support-v4.jar
..........\proguard-project.txt
..........\project.properties
..........\res
..........\...\drawable-hdpi
..........\...\.............\ic_launcher.png
..........\...\drawable-ldpi
..........\...\drawable-mdpi
..........\...\.............\ic_launcher.png
..........\...\drawable-xhdpi
..........\...\..............\ic_launcher.png
..........\...\drawable-xxhdpi
..........\...\...............\ic_launcher.png
..........\...\layout
..........\...\......\activity_main.xml
..........\...\menu
........