Android Studio安卓读取EM4100 TK4100卡卡号源码

本示例使用的读卡器：https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-21818769070.35.44005b43nb1q2h&id=562957272162

package com.usbreadertest;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.reader.ouridr;

public class IdCardActivity extends AppCompatActivity {
    private TextView tv;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_id_card);
        androidx.appcompat.widget.Toolbar toolbar=findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        tv = findViewById(R.id.sample_text);
        tv.setText("操作结果");
    }
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if(item.getItemId()==android.R.id.home){
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    public void retmain(View view)
    {
        finish();
    }

    //读ID卡
    public void idr_read(View view)
    {
        byte status;//存放返回值
        byte[] idserial = new byte[5];

        String strls;
        status = ouridr.read(idserial);
        if(status == 0)
        {
            ouridr.beep(38);
            strls = "读卡成功!16进制卡号为：";
            String strls1 = "0"+Integer.toHexString(idserial[0]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[1]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[2]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[3]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[4]);
            strls = strls + strls1.substring(strls1.length()-2);

            long cardhao;
            cardhao = idserial[1] & 0xff;
            cardhao *= 256;
            cardhao += idserial[2] & 0xff;
            cardhao *= 256;
            cardhao += idserial[3] & 0xff;
            cardhao *= 256;
            cardhao += idserial[4] & 0xff;
            String card8h10d = "000000000"+Long.toString(cardhao);//0305887634  123B7992
            card8h10d=card8h10d.substring(card8h10d.length()-10,card8h10d.length());
            strls=strls+"\n转8H10D码："+card8h10d;

            String WG341="00000"+Integer.toString((idserial[3]& 0xff)*256+(idserial[4]& 0xff));
            WG341=WG341.substring(WG341.length()-5,WG341.length());
            String WG342="00000"+Integer.toString((idserial[1]& 0xff)*256+(idserial[2]& 0xff));
            WG342=WG342.substring(WG342.length()-5,WG342.length());
            strls=strls+"\n转韦根34码："+WG341+WG342;

            String WG261="000"+Integer.toString(idserial[2]& 0xff);
            WG261=WG261.substring(WG261.length()-3,WG261.length());
            String WG262="00000"+Integer.toString((idserial[3]& 0xff)*256+(idserial[4]& 0xff));
            WG262=WG262.substring(WG262.length()-5,WG262.length());
            strls=strls+"\n转韦根26码："+WG261+WG262;

            tv.setText(strls);
        } else {
            PrintErrInf(status);
        }
    }

    //仅读一次ID卡，重新取放卡才能读到第二次
    public void idr_read_once(View view)
    {
        byte status;//存放返回值
        byte[] idserial = new byte[5];

        String strls;
        status = ouridr.readonce(idserial);
        if(status == 0)
        {
            ouridr.beep(38);
            strls = "读卡成功!16进制卡号为：";
            String strls1 = "0"+Integer.toHexString(idserial[0]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[1]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[2]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[3]);
            strls = strls + strls1.substring(strls1.length()-2) +"-";
            strls1 = "0"+Integer.toHexString(idserial[4]);
            strls = strls + strls1.substring(strls1.length()-2);

            long cardhao;
            cardhao = idserial[1] & 0xff;
            cardhao *= 256;
            cardhao += idserial[2] & 0xff;
            cardhao *= 256;
            cardhao += idserial[3] & 0xff;
            cardhao *= 256;
            cardhao += idserial[4] & 0xff;
            String card8h10d = "000000000"+Long.toString(cardhao);//0305887634  123B7992
            card8h10d=card8h10d.substring(card8h10d.length()-10,card8h10d.length());
            strls=strls+"\n转8H10D码："+card8h10d;

            String WG341="00000"+Integer.toString((idserial[3]& 0xff)*256+(idserial[4]& 0xff));
            WG341=WG341.substring(WG341.length()-5,WG341.length());
            String WG342="00000"+Integer.toString((idserial[1]& 0xff)*256+(idserial[2]& 0xff));
            WG342=WG342.substring(WG342.length()-5,WG342.length());
            strls=strls+"\n转韦根34码："+WG341+WG342;

            String WG261="000"+Integer.toString(idserial[2]& 0xff);
            WG261=WG261.substring(WG261.length()-3,WG261.length());
            String WG262="00000"+Integer.toString((idserial[3]& 0xff)*256+(idserial[4]& 0xff));
            WG262=WG262.substring(WG262.length()-5,WG262.length());
            strls=strls+"\n转韦根26码："+WG261+WG262;

            tv.setText(strls);
        } else {
            PrintErrInf(status);
        }
    }

    public void PrintErrInf(byte errcode) {
        String dispstr;
        switch(errcode){
            case 8:
                dispstr="错误代码：8，未寻到卡，请重新将卡放在ID卡读卡器感应区！";
                break;
            case 22:
                dispstr="错误代码：22，动态库或驱动程序异常！";
                break;
            case 23:
                dispstr="错误代码：23，发卡器未连接！";
                break;
            case 24:
                dispstr="错误代码：24，读卡器可能没有该功能！";
                break;
            default:
                dispstr="未知错误，错误代码："+Integer.toString(errcode);
                break;
        }
        tv.setText(dispstr);
    }

}