Android Question SLC not found package com.sun.jna

Starting step: Compiling Java code.
java:3: error: package com.sun.jna does not exist
import com.sun.jna.Library; <--- Error in line 3

I have included the file in the folder E:\SimpleLibraryCompiler\ZSC4x4Wrapper\additional\lib\armeabi

code class use jna:
package com.zsc.printer;

import com.sun.jna.Library;
import com.sun.jna.Native;

import anywheresoftware.b4a.BA;

public interface JNAData1 extends Library {
    JNAData1 INSTANCE = (JNAData1) Native.load("msprintdata1", JNAData1.class);
    public String Data1GetPrintDataA();
    public int Data1Release();
    public int Data1PrintDataMatrix(String strData, int iSize);
    public int Data1PrintQrcode(String strData,int iLmargin,int iMside,int iRound);
    public int Data1PrintDiskbmpfile(String strPath);
    public int Data1SetNvbmp(int iNums, String strPath);