本文主要是介绍Android Studio读写低频RFID T5557卡源码，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
本示例使用的发卡器：https://item.taobao.com/item.htm?id=675212889085&spm=a1z10.5-c.w4002-21818769070.13.21166f89nKgnJ7
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:padding="3dp"tools:context=".T5557Activity"><androidx.appcompat.widget.Toolbarandroid:id="@+id/toolbar"android:layout_width="match_parent"android:layout_height="30dp"android:background="?attr/colorPrimary"app:navigationIcon="@drawable/baseline_arrow_back_ios_24"app:titleTextColor="@color/white"tools:ignore="MissingConstraints"tools:layout_editor_absoluteY="0dp"><TextViewandroid:id="@+id/TextViewlabelDispleft"android:layout_width="wrap_content"android:layout_height="match_parent"android:text="返回"android:textColor="@color/white"android:textSize="16sp"android:gravity="center"android:onClick="retmain" /><TextViewandroid:id="@+id/TextViewlabelDisp"android:layout_width="match_parent"android:layout_height="match_parent"android:text="T5557卡测试页 "android:textColor="@color/white"android:textSize="16sp"android:gravity="center_horizontal|right|center"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintEnd_toEndOf="parent"app:layout_constraintStart_toStartOf="@+id/TextViewlabelDispleft"app:layout_constraintTop_toTopOf="parent" /></androidx.appcompat.widget.Toolbar><TextViewandroid:id="@+id/sample_text"android:layout_width="fill_parent"android:layout_height="150dp"android:padding="3dp"android:text="操作结果"android:textSize="12sp"android:background="@drawable/shape4border"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintBottom_toBottomOf="parent"/><ScrollViewandroid:id="@+id/scrollViewIC"android:layout_width="fill_parent"android:layout_height="0dp"android:layout_marginBottom="5dp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/toolbar"app:layout_constraintBottom_toTopOf="@+id/sample_text"android:scrollbars="horizontal"><androidx.constraintlayout.widget.ConstraintLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:padding="3dp" ><CheckBoxandroid:id="@+id/chkPwdT5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="带密码操作"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toTopOf="parent"/><EditTextandroid:id="@+id/editTextPwdT5557"android:layout_width="80dp"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="center"android:inputType="textCapCharacters"android:maxLength="8"android:maxLines="1"android:text="00000000"android:textSize="14sp"app:layout_constraintBottom_toBottomOf="@+id/chkPwdT5557"app:layout_constraintLeft_toRightOf="@+id/chkPwdT5557"app:layout_constraintTop_toTopOf="@+id/chkPwdT5557"/><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="(十六进制)"android:textSize="12sp"android:layout_marginLeft="10dp"app:layout_constraintLeft_toRightOf="@+id/editTextPwdT5557"app:layout_constraintTop_toTopOf="@+id/chkPwdT5557"app:layout_constraintBottom_toBottomOf="@+id/chkPwdT5557"/><CheckBoxandroid:id="@+id/chkUidNeedT5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="仅操作指定卡号的卡"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/chkPwdT5557"/><EditTextandroid:id="@+id/editTextUidT5557"android:layout_width="110dp"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="center"android:inputType="textCapCharacters"android:maxLength="12"android:maxLines="1"android:text="000000000000"android:textSize="14sp"app:layout_constraintBottom_toBottomOf="@+id/chkUidNeedT5557"app:layout_constraintLeft_toRightOf="@+id/chkUidNeedT5557"app:layout_constraintTop_toTopOf="@+id/chkUidNeedT5557" /><TextViewandroid:id="@+id/TextViewlabel0"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="返回数据："android:textSize="12sp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintBottom_toTopOf="@+id/TextViewRetDataT5557"/><TextViewandroid:id="@+id/TextViewRetDataT5557"android:layout_width="fill_parent"android:layout_height="wrap_content"android:padding="3dp"android:text=""android:textSize="12sp"android:background="@drawable/shape4border"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/btnRetDataClrT5557"/><Buttonandroid:id="@+id/btnRetDataClrT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:onClick="textclear5557"android:text="清空数据"android:textSize="11sp"app:layout_constraintTop_toBottomOf="@+id/editTextUidT5557"app:layout_constraintRight_toRightOf="parent" /><Buttonandroid:id="@+id/btnPwdChangeT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:onClick="changepwd5557"android:text="修改卡密码"android:textSize="11sp"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toBottomOf="@+id/TextViewRetDataT5557" /><TextViewandroid:id="@+id/TextViewlabel1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="新密码："android:textSize="12sp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toTopOf="@+id/btnPwdChangeT5557"app:layout_constraintBottom_toBottomOf="@+id/btnPwdChangeT5557"/><EditTextandroid:id="@+id/editTextPwdNewT5557"android:layout_width="80dp"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="center"android:inputType="textCapCharacters"android:maxLength="8"android:maxLines="1"android:text="00000000"android:textSize="14sp"app:layout_constraintBottom_toBottomOf="@+id/btnPwdChangeT5557"app:layout_constraintLeft_toRightOf="@+id/TextViewlabel1"app:layout_constraintTop_toTopOf="@+id/btnPwdChangeT5557" /><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="(十六进制)"android:textSize="12sp"android:layout_marginLeft="10dp"app:layout_constraintLeft_toRightOf="@+id/editTextPwdNewT5557"app:layout_constraintTop_toTopOf="@+id/editTextPwdNewT5557"app:layout_constraintBottom_toBottomOf="@+id/editTextPwdNewT5557"/><TextViewandroid:id="@+id/TextViewlabel2"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="第0页："android:textSize="12sp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toTopOf="@+id/chkB0T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB0T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="11sp"android:checked="false"android:text="块0"app:layout_constraintLeft_toRightOf="@+id/TextViewlabel2"app:layout_constraintTop_toBottomOf="@+id/btnPwdChangeT5557"/><CheckBoxandroid:id="@+id/chkB1T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="11sp"android:checked="false"android:text="块1"app:layout_constraintLeft_toRightOf="@+id/chkB0T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB2T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="11sp"android:checked="false"android:text="块2"app:layout_constraintLeft_toRightOf="@+id/chkB1T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB3T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="11sp"android:checked="false"android:text="块3"app:layout_constraintLeft_toRightOf="@+id/chkB2T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB4T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="块4"app:layout_constraintLeft_toRightOf="@+id/chkB3T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB5T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="块5"app:layout_constraintLeft_toRightOf="@+id/chkB4T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB0T5557"/><CheckBoxandroid:id="@+id/chkB6T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:checked="false"android:text="块6"android:textSize="11sp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/chkB0T5557" /><CheckBoxandroid:id="@+id/chkB7T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="块7"app:layout_constraintLeft_toRightOf="@+id/chkB6T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB6T5557"/><TextViewandroid:id="@+id/TextViewlabel3"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="第1页："android:textSize="12sp"android:layout_marginLeft="20dp"app:layout_constraintLeft_toRightOf="@+id/chkB7T5557"app:layout_constraintTop_toTopOf="@+id/chkB7T5557"app:layout_constraintBottom_toBottomOf="@+id/chkB7T5557"/><CheckBoxandroid:id="@+id/chkB11T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:checked="false"android:text="块1"android:textSize="11sp"app:layout_constraintBottom_toBottomOf="@+id/chkB7T5557"app:layout_constraintLeft_toRightOf="@+id/TextViewlabel3" /><CheckBoxandroid:id="@+id/chkB12T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:checked="false"android:text="块2"android:textSize="11sp"app:layout_constraintBottom_toBottomOf="@+id/chkB7T5557"app:layout_constraintLeft_toRightOf="@+id/chkB11T5557" /><CheckBoxandroid:id="@+id/chkB13T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:checked="false"android:text="块3"android:textSize="11sp"app:layout_constraintBottom_toBottomOf="@+id/chkB7T5557"app:layout_constraintLeft_toRightOf="@+id/chkB12T5557" /><CheckBoxandroid:id="@+id/chkB14T5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:checked="false"android:text="块4"android:textSize="11sp"app:layout_constraintBottom_toBottomOf="@+id/chkB7T5557"app:layout_constraintLeft_toRightOf="@+id/chkB13T5557" /><Buttonandroid:id="@+id/btnReadT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:layout_marginRight="20dp"android:onClick="read5557"android:text="读卡"android:textSize="11sp"app:layout_constraintRight_toLeftOf="@+id/btnWriteT5557"app:layout_constraintTop_toBottomOf="@+id/chkB7T5557" /><Buttonandroid:id="@+id/btnWriteT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:onClick="write5557"android:text="写卡"android:textSize="11sp"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toBottomOf="@+id/chkB7T5557" /><TextViewandroid:id="@+id/TextViewlabel4"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="写入数据："android:textSize="12sp"app:layout_constraintBottom_toBottomOf="@+id/btnReadT5557"app:layout_constraintLeft_toLeftOf="parent" /><EditTextandroid:id="@+id/editTextDataT5557"android:layout_width="0dp"android:layout_height="40dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="left"android:inputType="textCapCharacters"android:maxLength="128"android:text="11111111"android:padding="3dp"android:textSize="12sp"app:layout_constraintLeft_toLeftOf="@+id/TextViewRetDataT5557"app:layout_constraintRight_toRightOf="@+id/TextViewRetDataT5557"app:layout_constraintTop_toBottomOf="@+id/btnWriteT5557" /><TextViewandroid:id="@+id/TextViewlabel5"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="配置区位于第0页第0块：\ne5550兼容模式，主控键值默认(不等于6及不等于9)，波特率RF/32，调制模式为\n曼彻斯特码，相位键控RF/2，自动发送最大块为1，卡片复位无延时\n如需改动以上值请联系我们 ！"android:textSize="12sp"app:layout_constraintTop_toBottomOf="@+id/editTextDataT5557"app:layout_constraintLeft_toLeftOf="parent" /><CheckBoxandroid:id="@+id/chkAOR"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="AOR请求应答模式"android:onClick="updateset5557"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/TextViewlabel5"/><CheckBoxandroid:id="@+id/chkFrameEnd"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="true"android:text="帧终结符"android:onClick="updateset5557"app:layout_constraintLeft_toRightOf="@+id/chkAOR"app:layout_constraintBottom_toBottomOf="@+id/chkAOR"/><CheckBoxandroid:id="@+id/chkPwdSetT5557"android:layout_width="wrap_content"android:layout_height="30dp"android:layout_marginLeft="2dp"android:textSize="12sp"android:checked="false"android:text="启用密码读写功能，并设密码为"android:onClick="updateset5557"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/chkAOR"/><EditTextandroid:id="@+id/editTextPwdSetT5557"android:layout_width="80dp"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="center"android:inputType="textCapCharacters"android:maxLength="8"android:maxLines="1"android:text="00000000"android:textSize="14sp"app:layout_constraintBottom_toBottomOf="@+id/chkPwdSetT5557"app:layout_constraintLeft_toRightOf="@+id/chkPwdSetT5557"app:layout_constraintTop_toTopOf="@+id/chkPwdSetT5557"/><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="(十六进制)"android:textSize="12sp"android:layout_marginLeft="10dp"app:layout_constraintLeft_toRightOf="@+id/editTextPwdSetT5557"app:layout_constraintTop_toTopOf="@+id/chkPwdSetT5557"app:layout_constraintBottom_toBottomOf="@+id/chkPwdSetT5557"/><TextViewandroid:id="@+id/TextViewlabel22"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="配置值："android:textSize="12sp"app:layout_constraintTop_toTopOf="@+id/editTextConfigWordT5557"app:layout_constraintBottom_toBottomOf="@+id/editTextConfigWordT5557"app:layout_constraintLeft_toLeftOf="parent" /><EditTextandroid:id="@+id/editTextConfigWordT5557"android:layout_width="68dp"android:layout_height="wrap_content"android:layout_marginTop="5dp"android:background="@drawable/shape4border"android:digits="0123456789ABCDEFabcdef"android:gravity="left"android:inputType="textCapCharacters"android:maxLength="8"android:text="00088028"android:paddingLeft="3dp"android:textSize="12sp"app:layout_constraintLeft_toRightOf="@+id/TextViewlabel22"app:layout_constraintTop_toBottomOf="@+id/chkPwdSetT5557"/><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="(十六进制)"android:textSize="12sp"android:layout_marginLeft="10dp"app:layout_constraintLeft_toRightOf="@+id/editTextConfigWordT5557"app:layout_constraintTop_toTopOf="@+id/editTextConfigWordT5557"app:layout_constraintBottom_toBottomOf="@+id/editTextConfigWordT5557"/><Buttonandroid:id="@+id/btnDefalutT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:layout_marginRight="20dp"android:onClick="default5557"android:text="← 默认值"android:textSize="11sp"app:layout_constraintRight_toLeftOf="@+id/btnInitT5557"app:layout_constraintBottom_toBottomOf="@+id/btnInitT5557" /><Buttonandroid:id="@+id/btnInitT5557"android:layout_width="wrap_content"android:layout_height="40dp"android:onClick="init5557"android:text="设定配置"android:textSize="12sp"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toBottomOf="@+id/editTextConfigWordT5557"/><Buttonandroid:id="@+id/btnT5557to4100"android:layout_width="wrap_content"android:layout_height="wrap_content"android:onClick="t5557to4100"android:text="t5557卡配置成ID卡"android:textSize="12sp"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintTop_toBottomOf="@+id/btnInitT5557"/><TextViewandroid:id="@+id/TextViewlabel23"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="厂商编码"android:textSize="12sp"app:layout_constraintTop_toTopOf="@+id/btnT5557to4100"app:layout_constraintBottom_toBottomOf="@+id/btnT5557to4100"app:layout_constraintLeft_toRightOf="@+id/btnT5557to4100" /></androidx.constraintlayout.widget.ConstraintLayout></ScrollView></androidx.constraintlayout.widget.ConstraintLayout>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.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;import com.reader.ouridr;
import com.reader.ourmifare;
public class T5557Activity extends AppCompatActivity {private TextView tv;private byte NEEDSERIAL = 0x01; //需要只对指定系列号的卡操作private byte NEEDKEY = 0x02; //需要用密码认证private byte LOCKBIT = 0x04; //锁定配置块或数据块，仅对 t5557_init，t5557_write ，t5557_changekey函数有效private byte KEYENABLE = 0x08; //启用本卡的密码功能private byte RESETCARD = 0x10; //操作成功后重启卡片@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_t5557);androidx.appcompat.widget.Toolbar toolbar=findViewById(R.id.toolbar);setSupportActionBar(toolbar);tv = findViewById(R.id.sample_text);tv.setText("操作结果");}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {if(item.getItemId()==android.R.id.home){finish();return true;}return super.onOptionsItemSelected(item);}public void retmain(View view){finish();}public void textclear5557(View view){TextView tvls;tvls = findViewById(R.id.TextViewRetDataT5557);tvls.setText("");}public void default5557(View view){EditText etls;CheckBox cbls;etls = findViewById(R.id.editTextConfigWordT5557);etls.setText("00088028");cbls = findViewById(R.id.chkAOR);//AOR请求应答模式cbls.setChecked(false);cbls = findViewById(R.id.chkFrameEnd);//帧终结符cbls.setChecked(true);cbls = findViewById(R.id.chkPwdSetT5557);//启用密码读写功能，并设密码为cbls.setChecked(false);}public void updateset5557(View view){CheckBox cbls;CheckBox cbAOR;CheckBox cbPWD;EditText etls;byte[] Configdata = new byte[4];//配置值etls = findViewById(R.id.editTextConfigWordT5557);String strls = etls.getText().toString().trim();if(strls.length() < 8){strls = "00088028";Configdata[0] = 0x00;Configdata[1] = 0x08;Configdata[2] = (byte)0x80;Configdata[3] = 0x28;}else {for (byte i = 0; i < 4; i++) {Configdata[i] = (byte)Integer.parseInt(strls.substring(i * 2, i * 2 + 2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}}cbAOR = findViewById(R.id.chkAOR);//AOR请求应答模式cbPWD = findViewById(R.id.chkPwdSetT5557);//启用密码读写功能，并设密码为if(cbAOR.isChecked()) {if(!cbPWD.isChecked()) {//密码没启用，AOR无效cbAOR.setChecked(false);Configdata[2] &= 0xfd;tv.setText("密码没启用，AOR无效");}else {Configdata[2] |= 0x02;}}else {Configdata[2] &= 0xfd;}cbls = findViewById(R.id.chkFrameEnd);//帧终结符if(cbls.isChecked()) {Configdata[3] |= 0x08;}else {Configdata[3] &= 0xf7;}if(cbPWD.isChecked()) {if ((Configdata[3] & 0xe0) > (6 * 32)) {//启用密码功能后，最大块不能为7Configdata[3] &= 0x1f;Configdata[3] |=(6 * 32);}Configdata[3] |= 0x10;//启用密码功能}else{Configdata[3] &= 0xef;//取消密码功能Configdata[2] &= 0xfd;cbAOR.setChecked(false);}etls.setText(String.format("%02X%02X%02X%02X",Configdata[0],Configdata[1],Configdata[2],Configdata[3]));}public void changepwd5557(View view){byte i;byte j;byte status;//存放返回值byte myctrlword;//控制字byte[] oldpicckey = new byte[4];//密码byte[] mypiccserial = new byte[6];//卡序列号byte[] newpicckey = new byte[4];//指定写哪一块myctrlword = 0; //NEEDSERIAL：需要只对指定系列号的卡操作,NEEDKEY：需要用密码认证,LOCKBIT：锁定块，KEYENABLE：启用本卡的密码功能String strls;CheckBox cbls;EditText etls;cbls = findViewById(R.id.chkPwdT5557);if(cbls.isChecked()) {//本次操作需要密码验证etls = findViewById(R.id.editTextPwdT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("旧密码长度不足8位");return;}for (i = 0; i < 4; i++) {oldpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDKEY;}cbls = findViewById(R.id.chkUidNeedT5557);if(cbls.isChecked()) {//仅操作指定卡号的卡etls = findViewById(R.id.editTextUidT5557);strls = etls.getText().toString().trim();if(strls.length() < 12){tv.setText("卡号长度不足12位");return;}for (i = 0; i < 6; i++) {mypiccserial[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDSERIAL;}etls = findViewById(R.id.editTextPwdNewT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("新密码长度不足8位!");return;}for (i = 0; i < 4; i++) {newpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}status = ouridr.t5557changekey(myctrlword,mypiccserial,oldpicckey,newpicckey);if(status == 0){strls = "卡号[";strls += String.format("%02X%02X%02X%02X%02X%02X",mypiccserial[0],mypiccserial[1],mypiccserial[2],mypiccserial[3],mypiccserial[4],mypiccserial[5]);strls += "]";TextView tvls = findViewById(R.id.TextViewRetDataT5557);tvls.setText(strls);strls = "更改T5557卡密码成功";ouridr.beep(38);}else {strls=GetErrInf(status);}tv.setText(strls);}public void read5557(View view){byte i;byte status;//存放返回值byte myctrlword;//控制字byte[] oldpicckey = new byte[4];//密码byte[] mypiccserial = new byte[6];//卡序列号byte[] mypiccdata = new byte[64];//读卡数据缓冲:卡无线转输分频比、卡内容长度（字节数），及最多返回12块的数据byte[] mypiccblockflag = new byte[2];//指定读哪一块myctrlword = 0; //NEEDSERIAL：需要只对指定系列号的卡操作,NEEDKEY：需要用密码认证,LOCKBIT：锁定块，KEYENABLE：启用本卡的密码功能String strls;CheckBox cbls;EditText etls;cbls = findViewById(R.id.chkPwdT5557);if(cbls.isChecked()) {//本次操作需要密码验证etls = findViewById(R.id.editTextPwdT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("密码长度不足8位");return;}for (i = 0; i < 4; i++) {oldpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDKEY;}cbls = findViewById(R.id.chkUidNeedT5557);if(cbls.isChecked()) {//仅操作指定卡号的卡etls = findViewById(R.id.editTextUidT5557);strls = etls.getText().toString().trim();if(strls.length() < 12){tv.setText("卡号长度不足12位");return;}for (i = 0; i < 6; i++) {mypiccserial[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDSERIAL;}//操作块标志//第0页的块mypiccblockflag[0] = 0;cbls = findViewById(R.id.chkB0T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 1;}cbls = findViewById(R.id.chkB1T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 2;}cbls = findViewById(R.id.chkB2T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 4;}cbls = findViewById(R.id.chkB3T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 8;}cbls = findViewById(R.id.chkB4T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 16;}cbls = findViewById(R.id.chkB5T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 32;}cbls = findViewById(R.id.chkB6T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 64;}cbls = findViewById(R.id.chkB7T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 128;}//第1页mypiccblockflag[1] = 0;cbls = findViewById(R.id.chkB11T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 2;}cbls = findViewById(R.id.chkB12T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 4;}cbls = findViewById(R.id.chkB13T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 8;}cbls = findViewById(R.id.chkB14T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 16;}status = ouridr.t5557read(myctrlword,mypiccserial,oldpicckey,mypiccblockflag,mypiccdata);if(status == 0){strls = "卡无线转输分频比[" + Integer.toString(mypiccdata[0]) + "],卡号[";strls += String.format("%02X%02X%02X%02X%02X%02X",mypiccserial[0],mypiccserial[1],mypiccserial[2],mypiccserial[3],mypiccserial[4],mypiccserial[5]);strls += "],卡数据[";for (i = 0; i < mypiccdata[1]; i++) {strls += String.format("%02X",mypiccdata[i+2]);}strls += "]";TextView tvls = findViewById(R.id.TextViewRetDataT5557);tvls.setText(strls);strls = "读T5557卡成功";ouridr.beep(38);}else {strls=GetErrInf(status);}tv.setText(strls);}public void write5557(View view){byte i;byte j;byte status;//存放返回值byte myctrlword;//控制字byte[] oldpicckey = new byte[4];//密码byte[] mypiccserial = new byte[6];//卡序列号byte[] mypiccdata = new byte[64];//写入数据缓冲:最多12块的数据byte[] mypiccblockflag = new byte[2];//指定写哪一块myctrlword = 0; //NEEDSERIAL：需要只对指定系列号的卡操作,NEEDKEY：需要用密码认证,LOCKBIT：锁定块，KEYENABLE：启用本卡的密码功能String strls;CheckBox cbls;EditText etls;cbls = findViewById(R.id.chkPwdT5557);if(cbls.isChecked()) {//本次操作需要密码验证etls = findViewById(R.id.editTextPwdT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("密码长度不足8位");return;}for (i = 0; i < 4; i++) {oldpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDKEY;}cbls = findViewById(R.id.chkUidNeedT5557);if(cbls.isChecked()) {//仅操作指定卡号的卡etls = findViewById(R.id.editTextUidT5557);strls = etls.getText().toString().trim();if(strls.length() < 12){tv.setText("卡号长度不足12位");return;}for (i = 0; i < 6; i++) {mypiccserial[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDSERIAL;}//操作块标志j = 0;//第0页的块mypiccblockflag[0] = 0;cbls = findViewById(R.id.chkB0T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 1;j++;}cbls = findViewById(R.id.chkB1T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 2;j++;}cbls = findViewById(R.id.chkB2T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 4;j++;}cbls = findViewById(R.id.chkB3T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 8;j++;}cbls = findViewById(R.id.chkB4T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 16;j++;}cbls = findViewById(R.id.chkB5T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 32;j++;}cbls = findViewById(R.id.chkB6T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 64;j++;}cbls = findViewById(R.id.chkB7T5557);if(cbls.isChecked()) {mypiccblockflag[0] += 128;j++;}//第1页mypiccblockflag[1] = 0;cbls = findViewById(R.id.chkB11T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 2;j++;}cbls = findViewById(R.id.chkB12T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 4;j++;}cbls = findViewById(R.id.chkB13T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 8;j++;}cbls = findViewById(R.id.chkB14T5557);if(cbls.isChecked()) {mypiccblockflag[1] += 16;j++;}//写卡数据准备if(j == 0){tv.setText("请先选择需要写入的块");return;}etls = findViewById(R.id.editTextDataT5557);strls = etls.getText().toString().trim();if(strls.length() < (j*8)){tv.setText("写入数据长度不足，请补足数据!");return;}for (i = 0; i < (j*4); i++) {mypiccdata[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}status = ouridr.t5557write(myctrlword,mypiccserial,oldpicckey,mypiccblockflag,mypiccdata);if(status == 0) {strls = "卡号[";strls += String.format("%02X%02X%02X%02X%02X%02X", mypiccserial[0], mypiccserial[1], mypiccserial[2], mypiccserial[3], mypiccserial[4], mypiccserial[5]);strls += "]";TextView tvls = findViewById(R.id.TextViewRetDataT5557);tvls.setText(strls);strls = "写T5557卡成功";ouridr.beep(38);}else {strls=GetErrInf(status);}tv.setText(strls);}public void init5557(View view){byte i;byte status;//存放返回值byte myctrlword;//控制字byte[] oldpicckey = new byte[4];//密码byte[] mypiccserial = new byte[6];//卡序列号byte[] mypiccdata = new byte[4];//写入数据缓冲byte[] newpicckey = new byte[4];//指定写哪一块myctrlword = 0; //NEEDSERIAL：需要只对指定系列号的卡操作,NEEDKEY：需要用密码认证,LOCKBIT：锁定块，KEYENABLE：启用本卡的密码功能String strls;CheckBox cbls;EditText etls;cbls = findViewById(R.id.chkPwdT5557);if(cbls.isChecked()) {//本次操作需要密码验证etls = findViewById(R.id.editTextPwdT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("密码长度不足8位");return;}for (i = 0; i < 4; i++) {oldpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDKEY;}cbls = findViewById(R.id.chkPwdSetT5557);if(cbls.isChecked()) {//启用密码读写功能etls = findViewById(R.id.editTextPwdSetT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("新密码长度不足8位");return;}for (i = 0; i < 4; i++) {newpicckey[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.KEYENABLE;}else {newpicckey[0] = 0x00;newpicckey[1] = 0x00;newpicckey[2] = 0x00;newpicckey[3] = 0x00;}cbls = findViewById(R.id.chkUidNeedT5557);if(cbls.isChecked()) {//仅操作指定卡号的卡etls = findViewById(R.id.editTextUidT5557);strls = etls.getText().toString().trim();if(strls.length() < 12){tv.setText("卡号长度不足12位");return;}for (i = 0; i < 6; i++) {mypiccserial[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}myctrlword += ouridr.NEEDSERIAL;}//配置值：etls = findViewById(R.id.editTextConfigWordT5557);strls = etls.getText().toString().trim();if(strls.length() < 8){tv.setText("配置值输入长度不足8位");return;}for (i = 0; i < 4; i++) {mypiccdata[i] = (byte)Integer.parseInt(strls.substring(i*2,i*2+2),16);//只有用Integer.parseInt才能杜绝大于128时的错误}status = ouridr.t5557init(myctrlword,mypiccserial,oldpicckey,mypiccdata,newpicckey);if(status == 0) {strls = "卡号[";strls += String.format("%02X%02X%02X%02X%02X%02X",mypiccserial[0],mypiccserial[1],mypiccserial[2],mypiccserial[3],mypiccserial[4],mypiccserial[5]);strls += "]";TextView tvls = findViewById(R.id.TextViewRetDataT5557);tvls.setText(strls);strls = "配置T5557卡成功";ouridr.beep(38);}else {strls=GetErrInf(status);}tv.setText(strls);}public void t5557to4100(View view){byte[] myuidbuf=new byte[7];byte[] oldpicckey=new byte[4];byte[] newpicckey=new byte[4];byte[] mypiccserial=new byte[6];byte myctrlword=RESETCARD;myuidbuf[0]=47;myuidbuf[1]=1;myuidbuf[2]=2;myuidbuf[3]=3;myuidbuf[4]=4;byte status=ouridr.t5557to4100(myctrlword,mypiccserial,oldpicckey,newpicckey,myuidbuf);if (status==0){ouridr.beep(38);tv.setText("T5557卡配置成ID卡成功！");}else{tv.setText("错误代码："+Integer.toString(status));}}public String GetErrInf(byte errcode) {String dispstr="";switch(errcode){case 1:dispstr="错误代码：1，写入配置的值不正确，配置区或密码区可能已被锁定，请重新写入！";break;case 2:dispstr="错误代码：2，本卡尚未开启密码功能，函数myctrlword中无需加入NEEDKEY！";break;case 3:dispstr="错误代码：3，需要指定密码，函数myctrlword要加入NEEDKEY！";break;case 5:dispstr="错误代码：5，密码错误！";break;case 8:dispstr="错误代码：8，卡不在感应区 或 密码不正确，请重新拿开卡后再放到感应区！";break;case 23:dispstr="错误代码：23，发卡器未连接！";break;default:dispstr="未知错误，错误代码："+Integer.toString(errcode);break;}return dispstr;}}
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