如何开发Android安卓RFID读卡APP

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我是靠谱客的博主简单外套，最近开发中收集的这篇文章主要介绍如何开发Android安卓RFID读卡APP，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

读卡器介绍：免驱RFID读卡器 Web读卡器可二次开发 Android、Linux 乐乐课堂-淘宝网 (taobao.com)https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-17663462238.35.39895b43AJPLGe&id=562957272162

Android Studio源码：

package com.ic.ouridrtest;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import com.reader.ouridr;//引入我们的读卡器类

public class MainActivity extends AppCompatActivity {

private TextView tv;

@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");
}

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

String strls = "";
status = ouridr.read(this,idserial);
if(status == 0)
{
strls = "读取成功!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);
}
else
{
if(status == 8)
{
strls = "请将卡放在ID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);
}

//仅读一次，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(this,idserial);
if(status == 0)
{
strls = "读取成功!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);
}
else
{
if(status == 8)
{
strls = "请将卡放在ID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 = ouridr.pcdgetdevicenumber(this,devicenumber);
if(status == 0)
{
strls = "读取成功!设备编号为";
String strls1 = "0"+Integer.toHexString(devicenumber[0]);
strls = strls + strls1.substring(strls1.length()-2) +"-";
strls1 = "0"+Integer.toHexString(devicenumber[1]);
strls = strls + strls1.substring(strls1.length()-2) +"-";
strls1 = "0"+Integer.toHexString(devicenumber[2]);
strls = strls + strls1.substring(strls1.length()-2) +"-";
strls1 = "0"+Integer.toHexString(devicenumber[3]);
strls = strls + strls1.substring(strls1.length()-2);
}
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);
}

//让设备发出声响----------------------------------------------------------------------------------
public void idr_beep(View view)
{
byte status;//存放返回值
String strls = "";
status = ouridr.beep(this,50);

if(status == 0)
{
strls = "读卡器嘀一声成功！！！";
}
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);
}
}