File list (Check if you may need any files):
USBDEMO
.......\.classpath
__MACOSX
........\USBDEMO
........\.......\._.classpath
USBDEMO\.DS_Store
__MACOSX\USBDEMO\._.DS_Store
USBDEMO\.project
__MACOSX\USBDEMO\._.project
USBDEMO\.settings
.......\.........\org.eclipse.jdt.core.prefs
__MACOSX\USBDEMO\.settings
........\.......\.........\._org.eclipse.jdt.core.prefs
........\.......\._.settings
USBDEMO\AndroidManifest.xml
__MACOSX\USBDEMO\._AndroidManifest.xml
USBDEMO\assets
__MACOSX\USBDEMO\._assets
USBDEMO\bin
.......\...\AndroidManifest.xml
.......\...\classes
.......\...\.......\com
.......\...\.......\...\zj
.......\...\.......\...\..\printdemo
.......\...\.......\...\..\.........\BuildConfig.class
.......\...\.......\...\..\.........\PrintDemo$1.class
.......\...\.......\...\..\.........\PrintDemo$ClickEvent.class
.......\...\.......\...\..\.........\PrintDemo.class
.......\...\.......\...\..\.........\R$attr.class
.......\...\.......\...\..\.........\R$drawable.class
.......\...\.......\...\..\.........\R$id.class
.......\...\.......\...\..\.........\R$layout.class
.......\...\.......\...\..\.........\R$menu.class
.......\...\.......\...\..\.........\R$string.class
.......\...\.......\...\..\.........\R$style.class
.......\...\.......\...\..\.........\R.class
.......\...\classes.dex
.......\...\dexedLibs
.......\...\.........\android-support-v4-d24bbc2d04ddbb79fa6594f56151a347.jar
.......\...\.........\usbsdk-3ef209abfe1079377018d11340715daa.jar
.......\...\PrintDemo.apk
__MACOSX\USBDEMO\bin
........\.......\...\._PrintDemo.apk
USBDEMO\bin\res
.......\...\...\crunch
.......\...\...\......\drawable-hdpi
.......\...\...\......\.............\ic_launcher.png
.......\...\...\......\drawable-ldpi
.......\...\...\......\.............\ic_launcher.png
.......\...\...\......\drawable-mdpi
.......\...\...\......\.............\ic_launcher.png
.......\...\...\......\drawable-xhdpi
.......\...\...\......\..............\ic_launcher.png
.......\...\resources.ap_
.......\gen
.......\...\com
.......\...\...\zj
.......\...\...\..\printdemo
.......\...\...\..\.........\BuildConfig.java
.......\...\...\..\.........\R.java
__MACOSX\USBDEMO\._gen
USBDEMO\ic_launcher-web.png
__MACOSX\USBDEMO\._ic_launcher-web.png
USBDEMO\libs
.......\....\android-support-v4.jar
__MACOSX\USBDEMO\libs
........\.......\....\._android-support-v4.jar
USBDEMO\libs\usbsdk.jar
__MACOSX\USBDEMO\libs\._usbsdk.jar
........\.......\._libs
USBDEMO\proguard-project.txt
__MACOSX\USBDEMO\._proguard-project.txt
USBDEMO\project.properties
__MACOSX\USBDEMO\._project.properties
USBDEMO\res
.......\...\drawable-hdpi
.......\...\.............\ic_launcher.png
__MACOSX\USBDEMO\res
........\.......\...\drawable-hdpi
........\.......\...\.............\._ic_launcher.png
........\.......\...\._drawable-hdpi
USBDEMO\res\drawable-ldpi
.......\...\.............\ic_launcher.png
__MACOSX\USBDEMO\res\drawable-ldpi
........\.......\...\.............\._ic_launcher.png
........\.......\...\._drawable-ldpi
USBDEMO\res\drawable-mdpi
.......\...\.............\ic_launcher.png
__MACOSX\USBDEMO\res\drawable-mdpi
........\.......\...\.............\._ic_launcher.png
........\.......\...\._drawable-mdpi
USBDEMO\res\drawable-xhdpi
.......\...\..............\ic_launcher.png
__MACOSX\USBDEMO\res\drawable-xhdpi
........\.......\...\..............\._ic_launcher.png
........\.......\...\._drawable-xhdpi
USBDEMO\res\layout
.......\...\......\main.xml
__MACOSX\USBDEMO\res\layout
........\.......\...\......\._main.xml