File list (Check if you may need any files):
auth\src\com\google\android\gms\auth\sample\helloauth\AbstractGetNameTask.java
....\...\...\......\.......\...\....\......\.........\GetNameInBackground.java
....\...\...\......\.......\...\....\......\.........\GetNameInBackgroundWithSync.java
....\...\...\......\.......\...\....\......\.........\GetNameInForeground.java
....\...\...\......\.......\...\....\......\.........\HelloActivity.java
....\...\...\......\.......\...\....\......\.........\MainActivity.java
....\res\drawable-hdpi\ic_launcher.png
....\...\.........ldpi\ic_launcher.png
....\...\.........mdpi\ic_launcher.png
....\...\.........xhdpi\ic_launcher.png
....\...\layout\accounts_tester.xml
....\...\values\strings.xml
....\.classpath
....\Android.mk
....\build.gradle
....\project.properties
....\AndroidManifest.xml
....\src\com\google\android\gms\auth\sample\helloauth
....\...\...\......\.......\...\....\sample
....\...\...\......\.......\...\auth
....\...\...\......\.......\gms
....\...\...\......\android
....\...\...\google
....\res\drawable-hdpi
....\...\drawable-ldpi
....\...\drawable-mdpi
....\...\drawable-xhdpi
....\...\layout
....\...\values
....\src\com
....\res
....\src
auth