File list (Check if you may need any files):
ContacstList
............\.classpath
............\.project
............\AndroidManifest.xml
............\assets
............\bin
............\...\classes.dex
............\...\com
............\...\...\studio
............\...\...\......\android
............\...\...\......\.......\contactslist
............\...\...\......\.......\............\ContactsList.class
............\...\...\......\.......\............\R$attr.class
............\...\...\......\.......\............\R$drawable.class
............\...\...\......\.......\............\R$layout.class
............\...\...\......\.......\............\R$string.class
............\...\...\......\.......\............\R.class
............\...\ContacstList.apk
............\...\resources.ap_
............\default.properties
............\gen
............\...\com
............\...\...\studio
............\...\...\......\android
............\...\...\......\.......\contactslist
............\...\...\......\.......\............\R.java
............\res
............\...\drawable
............\...\layout
............\...\......\main.xml
............\...\values
............\...\......\strings.xml
............\src
............\...\com
............\...\...\studio
............\...\...\......\android
............\...\...\......\.......\contactslist
............\...\...\......\.......\............\ContactsList.java