File list (Check if you may need any files):
SDKDemo
.......\.classpath
.......\.fatjar
.......\.project
.......\.settings
.......\.........\org.eclipse.core.resources.prefs
.......\.........\org.eclipse.jdt.core.prefs
.......\AndroidManifest.xml
.......\assets
.......\bin
.......\...\AndroidManifest.xml
.......\...\classes
.......\...\classes.dex
.......\...\.......\com
.......\...\.......\...\feyin
.......\...\.......\...\.....\printer
.......\...\.......\...\.....\printerio
.......\...\.......\...\.....\.........\FeYinCom$ASCII_CONTROL_CODE.class
.......\...\.......\...\.....\.........\FeYinCom$DATA_TYPE.class
.......\...\.......\...\.....\.........\FeYinCom$ERROR_CODE.class
.......\...\.......\...\.....\.........\FeYinCom$PORT_TYPE.class
.......\...\.......\...\.....\.........\FeYinCom$RECEIVESTATE.class
.......\...\.......\...\.....\.........\FeYinCom$RECEIVESUBSTATE.class
.......\...\.......\...\.....\.........\FeYinCom.class
.......\...\.......\...\.....\.........\FeYinDevice.class
.......\...\.......\...\.....\.........\FeYinTools.class
.......\...\.......\...\.....\.........\Port.class
.......\...\.......\...\.....\.........\PortParameters.class
.......\...\.......\...\.....\.........\PrinterRecieveListener.class
.......\...\.......\...\.....\.........\USBPort$1.class
.......\...\.......\...\.....\.........\USBPort$TransferLoop.class
.......\...\.......\...\.....\.........\USBPort.class
.......\...\.......\...\.....\.......\EscCommand$CHARACTER_SET.class
.......\...\.......\...\.....\.......\EscCommand$CODEPAGE.class
.......\...\.......\...\.....\.......\EscCommand$ENABLE.class
.......\...\.......\...\.....\.......\EscCommand$FONT.class
.......\...\.......\...\.....\.......\EscCommand$HEIGHT_ZOOM.class
.......\...\.......\...\.....\.......\EscCommand$HRI_POSITION.class
.......\...\.......\...\.....\.......\EscCommand$JUSTIFICATION.class
.......\...\.......\...\.....\.......\EscCommand$STATUS.class
.......\...\.......\...\.....\.......\EscCommand$UNDERLINE_MODE.class
.......\...\.......\...\.....\.......\EscCommand$WIDTH_ZOOM.class
.......\...\.......\...\.....\.......\EscCommand.class
.......\...\.......\...\.....\.......\FeYinUtils.class
.......\...\.......\...\.....\.......\QRcodeCreater.class
.......\...\.......\...\.....\.......\TscCommand$BARCODETYPE.class
.......\...\.......\...\.....\.......\TscCommand$BITMAP_MODE.class
.......\...\.......\...\.....\.......\TscCommand$CODEPAGE.class
.......\...\.......\...\.....\.......\TscCommand$DENSITY.class
.......\...\.......\...\.....\.......\TscCommand$DIRECTION.class
.......\...\.......\...\.....\.......\TscCommand$ENABLE.class
.......\...\.......\...\.....\.......\TscCommand$FONTMUL.class
.......\...\.......\...\.....\.......\TscCommand$FONTTYPE.class
.......\...\.......\...\.....\.......\TscCommand$FOOT.class
.......\...\.......\...\.....\.......\TscCommand$READABEL.class
.......\...\.......\...\.....\.......\TscCommand$ROTATION.class
.......\...\.......\...\.....\.......\TscCommand$SPEED.class
.......\...\.......\...\.....\.......\TscCommand.class
.......\...\.......\...\.....\sdkdemo
.......\...\.......\...\.....\.......\BuildConfig.class
.......\...\.......\...\.....\.......\MainActivity$1.class
.......\...\.......\...\.....\.......\MainActivity.class
.......\...\.......\...\.....\.......\R$attr.class
.......\...\.......\...\.....\.......\R$dimen.class
.......\...\.......\...\.....\.......\R$drawable.class
.......\...\.......\...\.....\.......\R$id.class
.......\...\.......\...\.....\.......\R$layout.class
.......\...\.......\...\.....\.......\R$menu.class
.......\...\.......\...\.....\.......\R$string.class
.......\...\.......\...\.....\.......\R$style.class
.......\...\.......\...\.....\.......\R$xml.class
.......\...\.......\...\.....\.......\R.class
.......\...\dexedLibs
.......\...\.........\android-support-v4-b3fe01a833e0792b0cc7d1bc0ed417de.jar
.......\...\.........\android-support-v4-e711088310de88554010bb8bc748dad6.jar
.......\...\.........\btmanager-33965a86a5251d0f9daa3d9c0c6254b5.jar
.......\...\.........\btmanager-40b3e3ccd8ea2e7aa892dba6de8e0d4b.jar
.......\...\.........\core-2.2-386ed