File list (Check if you may need any files):
UpgradeDemo
...........\.classpath
...........\.project
...........\.settings
...........\.........\org.eclipse.core.resources.prefs
...........\.........\org.eclipse.core.runtime.prefs
...........\.........\org.eclipse.jdt.core.prefs
...........\AndroidManifest.xml
...........\assets
...........\bin
...........\...\AndroidManifest.xml
...........\...\classes
...........\...\.......\com
...........\...\.......\...\jj
...........\...\.......\...\..\Service
...........\...\.......\...\..\.......\UpdateService$1.class
...........\...\.......\...\..\.......\UpdateService$2.class
...........\...\.......\...\..\.......\UpdateService.class
...........\...\.......\...\..\Util
...........\...\.......\...\..\....\FileUtil.class
...........\...\.......\...\..\cache
...........\...\.......\...\..\.....\Cache.class
...........\...\.......\...\..\download
...........\...\.......\...\..\........\DownUtil.class
...........\...\.......\...\..\upgrade
...........\...\.......\...\..\.......\BuildConfig.class
...........\...\.......\...\..\.......\MainActivity$1.class
...........\...\.......\...\..\.......\MainActivity$2.class
...........\...\.......\...\..\.......\MainActivity.class
...........\...\.......\...\..\.......\MyApplication.class
...........\...\.......\...\..\.......\R$attr.class
...........\...\.......\...\..\.......\R$drawable.class
...........\...\.......\...\..\.......\R$id.class
...........\...\.......\...\..\.......\R$layout.class
...........\...\.......\...\..\.......\R$string.class
...........\...\.......\...\..\.......\R.class
...........\...\jarlist.cache
...........\...\res
...........\gen
...........\...\com
...........\...\...\jj
...........\...\...\..\upgrade
...........\...\...\..\.......\BuildConfig.java
...........\...\...\..\.......\R.java
...........\proguard-project.txt
...........\project.properties
...........\res
...........\...\drawable-hdpi
...........\...\.............\ic_launcher.png
...........\...\drawable-ldpi
...........\...\.............\ic_launcher.png
...........\...\drawable-mdpi
...........\...\.............\ic_launcher.png
...........\...\drawable-xhdpi
...........\...\..............\ic_launcher.png
...........\...\layout
...........\...\......\main.xml
...........\...\......\notification_item.xml
...........\...\values
...........\...\......\strings.xml
...........\src
...........\...\com
...........\...\...\jj
...........\...\...\..\Service
...........\...\...\..\.......\UpdateService.java
...........\...\...\..\Util
...........\...\...\..\....\FileUtil.java
...........\...\...\..\cache
...........\...\...\..\.....\Cache.java
...........\...\...\..\download
...........\...\...\..\........\DownUtil.java
...........\...\...\..\upgrade
...........\...\...\..\.......\MainActivity.java
...........\...\...\..\.......\MyApplication.java