File list (Check if you may need any files):
Calculator
..........\.classpath
..........\.project
..........\.settings
..........\.........\org.eclipse.jdt.core.prefs
..........\AndroidManifest.xml
..........\assets
..........\bin
..........\...\AndroidManifest.xml
..........\...\Calculator.apk
..........\...\classes
..........\...\classes.dex
..........\...\.......\lipei
..........\...\.......\.....\calculator
..........\...\.......\.....\..........\BuildConfig.class
..........\...\.......\.....\..........\CalculatorActivity$1.class
..........\...\.......\.....\..........\CalculatorActivity$10.class
..........\...\.......\.....\..........\CalculatorActivity$11.class
..........\...\.......\.....\..........\CalculatorActivity$12.class
..........\...\.......\.....\..........\CalculatorActivity$13.class
..........\...\.......\.....\..........\CalculatorActivity$14.class
..........\...\.......\.....\..........\CalculatorActivity$15.class
..........\...\.......\.....\..........\CalculatorActivity$16.class
..........\...\.......\.....\..........\CalculatorActivity$17.class
..........\...\.......\.....\..........\CalculatorActivity$18.class
..........\...\.......\.....\..........\CalculatorActivity$19.class
..........\...\.......\.....\..........\CalculatorActivity$2.class
..........\...\.......\.....\..........\CalculatorActivity$20.class
..........\...\.......\.....\..........\CalculatorActivity$21.class
..........\...\.......\.....\..........\CalculatorActivity$3.class
..........\...\.......\.....\..........\CalculatorActivity$4.class
..........\...\.......\.....\..........\CalculatorActivity$5.class
..........\...\.......\.....\..........\CalculatorActivity$6.class
..........\...\.......\.....\..........\CalculatorActivity$7.class
..........\...\.......\.....\..........\CalculatorActivity$8.class
..........\...\.......\.....\..........\CalculatorActivity$9.class
..........\...\.......\.....\..........\CalculatorActivity.class
..........\...\.......\.....\..........\R$attr.class
..........\...\.......\.....\..........\R$dimen.class
..........\...\.......\.....\..........\R$drawable.class
..........\...\.......\.....\..........\R$id.class
..........\...\.......\.....\..........\R$layout.class
..........\...\.......\.....\..........\R$menu.class
..........\...\.......\.....\..........\R$string.class
..........\...\.......\.....\..........\R$style.class
..........\...\.......\.....\..........\R.class
..........\...\jarlist.cache
..........\...\res
..........\...\resources.ap_
..........\...\...\drawable-hdpi
..........\...\...\.............\ic_action_search.png
..........\...\...\.............\ic_launcher.png
..........\...\...\drawable-ldpi
..........\...\...\.............\ic_launcher.png
..........\...\...\drawable-mdpi
..........\...\...\.............\ic_action_search.png
..........\...\...\.............\ic_launcher.png
..........\...\...\drawable-xhdpi
..........\...\...\..............\ic_action_search.png
..........\...\...\..............\ic_launcher.png
..........\gen
..........\...\lipei
..........\...\.....\calculator
..........\...\.....\..........\BuildConfig.java
..........\...\.....\..........\R.java
..........\ic_launcher-web.png
..........\libs
..........\....\android-support-v4.jar
..........\proguard-project.txt
..........\project.properties
..........\res
..........\...\drawable-hdpi
..........\...\.............\ic_action_search.png
..........\...\.............\ic_launcher.png
..........\...\drawable-ldpi
..........\...\.............\ic_launcher.png
..........\...\drawable-mdpi
..........\...\.............\ic_action_search.png
..........\...\.............\ic_launcher.png
..........\...\drawable-xhdpi
..........\...\..............\ic_action_search.png
..........\...\..............\ic_launcher.png
..........\...\layout
..........\...\......\activity_calculator.xml
..........\...\menu
..........\...\....\activity_calculator.xml
..........\...\values
..........\...\values-large
..........\...\............\dimens.xml
..........\...\values-v11
..........\...\..........\styles.xml
..........\...\values-v14
..........\...\..........\styles.xml
..........\...\