安卓Android下如何开发USB NFC读写器APP

荣士第二代USB免驱动IC读写器IC-02支持Windows、安卓(Android)、Linux系统，为方便IC-02读写器能快速的接入安卓(Android)系统，我们提供了各种安卓版本的So库及示例源码，安卓工程师可直接拷贝以下代码使用到项目中。

Android Studio源码：

package com.ic.ic02test;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.TextView;

import com.reader.ourmifare;//引入我们的读卡器类

public class MainActivity extends AppCompatActivity {

private TextView tv;

//读写卡操作控制字指定,

private static final byte BLOCK0_EN = 0x01; //允许读写第0块

private static final byte BLOCK1_EN = 0x02; //允许读写第1块

private static final byte BLOCK2_EN = 0x04; //允许读写第2块

private static final byte NEEDSERIAL = 0x08; //仅读指定序列号的卡

private static final byte EXTERNKEY = 0x10; //需要指定密码

private static final byte NEEDHALT = 0x20; //休眠卡

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// Example of a call to a native method

tv = findViewById(R.id.sample_text);

tv.setText("操作结果");

}

//读取IC卡卡号------------------------------------------------------------------------

public void piccrequest(View view)

{

byte status;//存放返回值

byte[] mypiccserial = new byte[4];

long cardhao;

String strls = "";

status = ourmifare.piccrequest(this,mypiccserial);

if(status == 0)

{

strls = "读取成功!卡号为";

cardhao = mypiccserial[3] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[2] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[1] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[0] & 0xff;

String strls1 = "000000000"+Long.toString(cardhao);//0305887634 123B7992

strls = strls + strls1.substring(strls1.length()-10);

}

else

{

if(status == 8)

{

strls = "请将卡放在IC卡读卡器感应区";

}

else if(status == 23)

{

strls = "错误提示：读卡器未插入";

}

else

{

strls = "错误代码:" + Integer.toString(status);

}

tv.setText(strls);

}

//轻松读卡，返回4字节卡号及48字节扇区数据-----------------------------------------------

public void piccreadex(View view)

{

byte status;//存放返回值

byte myareano;//区号

byte authmode;//密码类型，用A密码或B密码

byte myctrlword;//控制字

byte[] mypiccserial = new byte[4];//卡序列号

byte[] mypicckey = new byte[6];//密码

byte[] mypiccdata = new byte[48];//卡数据缓冲

myctrlword = BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY; //控制字指定

myareano = 8;//指定为第8区

authmode = 1; //批定密码模式，大于0表示用A密码认证，推荐用A密码认证

//指定密码

mypicckey[0] = (byte)0xFF;

mypicckey[1] = (byte)0xFF;

mypicckey[2] = (byte)0xFF;

mypicckey[3] = (byte)0xFF;

mypicckey[4] = (byte)0xFF;

mypicckey[5] = (byte)0xFF;

long cardhao;

String strls = "";

status = ourmifare.piccreadex(this,myctrlword,mypiccserial,myareano,authmode,mypicckey,mypiccdata);

if(status == 0)

{

strls = "读取成功!卡号为";

cardhao = mypiccserial[3] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[2] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[1] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[0] & 0xff;

String strls1 = "000000000"+Long.toString(cardhao);//0305887634

strls += strls1.substring(strls1.length()-10);

strls += "，扇区数据为";

for(int i = 0;i < 47;i++)

{

strls1 = "0"+Integer.toHexString(mypiccdata[i] & 0xff);

strls = strls + strls1.substring(strls1.length()-2) +"-";

}

String CardShopId=new String(mypiccdata);

String CardId=CardShopId.substring(1,16) ;

String ShopId=CardShopId.substring(17,35) ;

strls1 = "0"+Integer.toHexString(mypiccdata[47] & 0xff);

strls = strls + strls1.substring(strls1.length()-2);

}

else

{

if(status == 8)

{

strls = "请将卡放在IC卡读卡器感应区";

}

else if(status == 23)

{

strls = "错误提示：读卡器未插入";

}

else

{

strls = "错误代码:" + Integer.toString(status);

}

tv.setText(strls);

}

//轻松写卡:8区,密码12个F,数据1-48,返回4字节卡号-----------------------------------------

public void piccwriteex(View view)

{

byte status;//存放返回值

byte myareano;//区号

byte authmode;//密码类型，用A密码或B密码

byte myctrlword;//控制字

byte[] mypiccserial = new byte[4];//卡序列号

byte[] mypicckey = new byte[6];//密码

byte[] mypiccdata = new byte[48];//卡数据缓冲

myctrlword = BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY; //控制字指定,

myareano = 8;//指定区号为第8区

authmode = 1;//批定密码模式，大于0表示用A密码认证，推荐用A密码认证

//指定密码

mypicckey[0] = (byte)0xFF;

mypicckey[1] = (byte)0xFF;

mypicckey[2] = (byte)0xFF;

mypicckey[3] = (byte)0xFF;

mypicckey[4] = (byte)0xFF;

mypicckey[5] = (byte)0xFF;

String CardId="0000000000123456";

String ShopId="0000000000987654321";

String WriteStr=CardId + ShopId +" ";//写入信息补足不小于48字节

byte[] WriteBuf=WriteStr.getBytes() ;

for(int i = 0;i < 48;i++)

{

mypiccdata[i] = WriteBuf[i];

}

long cardhao;

String strls = "";

status = ourmifare.piccwriteex(this,myctrlword,mypiccserial,myareano,authmode,mypicckey,mypiccdata);

if(status == 0)

{

strls = "写卡成功!卡号为";

cardhao = mypiccserial[3] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[2] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[1] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[0] & 0xff;

String strls1 = "000000000"+Long.toString(cardhao);//0305887634

strls += strls1.substring(strls1.length()-10);

strls += "，写入扇区数据为";

for(int i = 0;i < 47;i++)

{

strls1 = "0"+Integer.toHexString(mypiccdata[i] & 0xff);

strls = strls + strls1.substring(strls1.length()-2) +"-";

}

strls1 = "0"+Integer.toHexString(mypiccdata[47] & 0xff);

strls = strls + strls1.substring(strls1.length()-2);

}

else

{

if(status == 8)

{

strls = "请将卡放在IC卡读卡器感应区";

}

else if(status == 23)

{

strls = "错误提示：读卡器未插入";

}

else

{

strls = "错误代码:" + Integer.toString(status);

}

tv.setText(strls);

}

//改单区密码:8区,密码12个F,改成12个F,返回4字节卡号"-------------------------------------

public void piccchangesinglekeyex(View view)

{

byte status;//存放返回值

byte myareano;//区号

byte authmode;//密码类型，用A密码或B密码

byte myctrlword;//控制字

byte[] mypiccserial = new byte[4];//卡序列号

byte[] mypicckeyold = new byte[6];//密码

byte[] mypicckeynew = new byte[17];//卡数据缓冲

myctrlword = EXTERNKEY; //指定本次操作的控制字

myareano = 8;//指定区号为第8区

authmode = 1;//指定密码认证模式，大于0表示用A密码认证，推荐用A密码认证

//旧密码

mypicckeyold[0] = (byte)0xFF;

mypicckeyold[1] = (byte)0xFF;

mypicckeyold[2] = (byte)0xFF;

mypicckeyold[3] = (byte)0xFF;

mypicckeyold[4] = (byte)0xFF;

mypicckeyold[5] = (byte)0xFF;

//新A密码

mypicckeynew[0] = (byte)0xFF;

mypicckeynew[1] = (byte)0xFF;

mypicckeynew[2] = (byte)0xFF;

mypicckeynew[3] = (byte)0xFF;

mypicckeynew[4] = (byte)0xFF;

mypicckeynew[5] = (byte)0xFF;

//访问位，不要轻易改，改错卡将做废 FF078069

mypicckeynew[6] = (byte)0xFF;

mypicckeynew[7] = (byte)0x07;

mypicckeynew[8] = (byte)0x80;

mypicckeynew[9] = (byte)0x69;

//新B密码

mypicckeynew[10] = (byte)0x00;

mypicckeynew[11] = (byte)0x00;

mypicckeynew[12] = (byte)0x00;

mypicckeynew[13] = (byte)0x00;

mypicckeynew[14] = (byte)0x00;

mypicckeynew[15] = (byte)0x00;

//选项

mypicckeynew[16] = (byte)0x00;//为0表示只改A官密码为1表示改A密码同时也改B密码，为3表示改AB密码及访问位，警示：不要轻易改访问位

long cardhao;

String strls = "";

status = ourmifare.piccchangesinglekeyex(this,myctrlword,mypiccserial,myareano,authmode,mypicckeyold,mypicckeynew);

if(status == 0)

{

strls = "修改密码成功!卡号为";

cardhao = mypiccserial[3] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[2] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[1] & 0xff;

cardhao *= 256;

cardhao += mypiccserial[0] & 0xff;

String strls1 = "000000000"+Long.toString(cardhao);//0305887634

strls += strls1.substring(strls1.length()-10);

}

else

{

if(status == 8)

{

strls = "请将卡放在IC卡读卡器感应区";

}

else if(status == 23)

{

strls = "错误提示：读卡器未插入";

}

else

{

strls = "错误代码:" + Integer.toString(status);

}

tv.setText(strls);

}

//读出设备全球唯一的设备编号，作为加密狗用----------------------------------------------

public void pcdgetdevicenumber(View view)

{

byte status;//存放返回值

byte[] devicenumber = new byte[4];

String strls = "";

status = ourmifare.pcdgetdevicenumber(this,devicenumber);

安卓Android下如何开发USB NFC读写器APP

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