package com.dayu.henanlibrary.tools;
|
|
import android.app.Activity;
|
import android.content.Intent;
|
import android.nfc.NfcAdapter;
|
import android.nfc.Tag;
|
import android.nfc.tech.MifareClassic;
|
import android.util.Log;
|
|
import com.dayu.baselibrary.tools.HexUtil;
|
import com.dayu.henanlibrary.card.UserCard;
|
|
import java.io.IOException;
|
|
/**
|
* @author zx
|
* @date 2018/4/25 8:08
|
* email 1058083107@qq.com
|
* description
|
*/
|
public class NFCWriteHelper extends BaseNFCHelper {
|
|
private Tag tag;
|
|
private static NFCWriteHelper helper;
|
private static int PASSWORD_LENTH = 12;
|
|
public NFCWriteHelper(Intent intent, Activity activity) {
|
super(activity);
|
this.tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
|
}
|
|
/**
|
* 单例初始化
|
*
|
* @param intent
|
* @return
|
*/
|
public static NFCWriteHelper getInstence(Intent intent, Activity activity) {
|
if (helper == null) {
|
helper = new NFCWriteHelper(intent, activity);
|
}
|
return helper;
|
}
|
|
/**
|
* 设置NFC卡的读取密码
|
*
|
* @param str
|
* @return
|
*/
|
public NFCWriteHelper setReadPassword(String str) {
|
if (null != str && (str.length() <= PASSWORD_LENTH)) {
|
for (int i = 0; i < str.length(); i++) {
|
defauleKey[i] = (byte) str.charAt(i);
|
}
|
}
|
return helper;
|
}
|
|
|
/**
|
* 写卡
|
*
|
* @param userCard 用户卡内容
|
* @param
|
*/
|
public boolean writeUserData(UserCard userCard) {
|
if (userCard != null) {
|
int a = 1;
|
try {
|
MifareClassic mfc = MifareClassic.get(tag);
|
if (null != mfc) {
|
try {
|
//连接NFC
|
mfc.connect();
|
//验证扇区密码
|
boolean isOpen = mfc.authenticateSectorWithKeyA(a, defauleKey);
|
if (!isOpen) {
|
isOpen = mfc.authenticateSectorWithKeyA(a, companyKey);
|
} else {
|
//写卡时修改所有密码
|
changePasword(a, mfc);
|
}
|
if (isOpen) {
|
for (int b = 0; b < 3; b++) {
|
byte[] data;
|
if (b == 0) {
|
data = userCard.getZeroBytes();
|
} else if (b == 1) {
|
data = userCard.getOneBytes();
|
} else {
|
data = userCard.getTwoBytes();
|
}
|
int bIndex = mfc.sectorToBlock(a);
|
//写卡
|
mfc.writeBlock(bIndex + b, data);
|
}
|
return true;
|
}
|
return false;
|
} catch (Exception e) {
|
e.printStackTrace();
|
return false;
|
} finally {
|
try {
|
mfc.close();
|
} catch (IOException e) {
|
e.printStackTrace();
|
}
|
}
|
}
|
} catch (Exception e) {
|
e.printStackTrace();
|
return false;
|
}
|
}
|
return false;
|
}
|
|
|
/**
|
* 写卡
|
*
|
* @param str 书写内容，16个字节
|
* @param a 书写的扇区 (从0开始数)
|
* @param b 书写的块(从0开始数)
|
* @param
|
*/
|
public boolean writeData(byte[] str, int a, int b) {
|
Log.i("NFCWreatActivity", "writeData: a=" + a + " b=" + b);
|
if (str.length <= 16) {
|
try {
|
MifareClassic mfc = MifareClassic.get(tag);
|
if (null != mfc) {
|
try {
|
//连接NFC
|
mfc.connect();
|
//获取扇区数量
|
int count = mfc.getSectorCount();
|
//如果传进来的扇区大了或者小了直接退出方法
|
if (a > count - 1 || a < 0) {
|
return false;
|
}
|
//获取写的扇区的块的数量
|
int bCount = mfc.getBlockCountInSector(a);
|
//如果输入的块大了或者小了也是直接退出
|
if (b > bCount - 1 || b < 0) {
|
return false;
|
}
|
//验证扇区密码
|
boolean isOpen = mfc.authenticateSectorWithKeyA(a, defauleKey);
|
if (!isOpen) {
|
isOpen = mfc.authenticateSectorWithKeyA(a, companyKey);
|
} else {
|
//写卡时修改所有密码
|
changePasword(a, mfc);
|
}
|
if (isOpen) {
|
int bIndex = mfc.sectorToBlock(a);
|
//写卡
|
mfc.writeBlock(bIndex + b, str);
|
return true;
|
}
|
return false;
|
} catch (Exception e) {
|
e.printStackTrace();
|
return false;
|
} finally {
|
try {
|
mfc.close();
|
} catch (IOException e) {
|
e.printStackTrace();
|
}
|
}
|
}
|
} catch (Exception e) {
|
e.printStackTrace();
|
return false;
|
}
|
}
|
return false;
|
}
|
|
|
/**
|
* 修改密码
|
*
|
* @param a 书写的扇区
|
* // * @param callback 返回监听
|
*/
|
public boolean changePasword(int a, MifareClassic mfc) {
|
// MifareClassic mfc = MifareClassic.get(tag);
|
byte[] data = new byte[16];
|
if (null != mfc) {
|
try {
|
// mfc.connect();
|
// int count = mfc.getSectorCount();
|
// boolean isOpen = mfc.authenticateSectorWithKeyA(a, defauleKey);
|
// //验证是否是默认密码，当默认密码时修改密码
|
// if (isOpen) {
|
//将密码转换为keyA
|
byte[] dataA = HexUtil.hexToByteArray(companyKeyA);
|
for (int i = 0; i < dataA.length; i++) {
|
data[i] = dataA[i];
|
}
|
//输入控制位
|
data[6] = (byte) 0xFF;
|
data[7] = (byte) 0x07;
|
data[8] = (byte) 0x80;
|
data[9] = (byte) 0x69;
|
byte[] dataB = HexUtil.hexToByteArray(companyKeyB);
|
//将密码转换为KeyB
|
for (int i = 0; i < dataB.length; i++) {
|
data[i + 10] = dataB[i];
|
}
|
int bIndex = mfc.sectorToBlock(a);
|
int bCount = mfc.getBlockCountInSector(a);
|
//写到扇区的最后一个块
|
mfc.writeBlock(bIndex + bCount - 1, data);
|
// byte[] dataa = mfc.readBlock(bIndex + bCount - 1);
|
// // 修改密码 A
|
// mfc.writeBlock(mfc.sectorToBlock(a) + 3, dataA);
|
// // 修改密码 B
|
// mfc.writeBlock(mfc.sectorToBlock(a) + 7, dataB);
|
// }
|
return true;
|
} catch (Exception e) {
|
e.printStackTrace();
|
return false;
|
// callback.isSusses(false);
|
} finally {
|
// try {
|
// mfc.close();
|
// } catch (IOException e) {
|
// e.printStackTrace();
|
// }
|
}
|
}
|
return false;
|
}
|
|
/**
|
* 返回监听类
|
*/
|
public interface NFCCallback {
|
/**
|
* 返回是否成功
|
*
|
* @param flag
|
*/
|
void isSusses(boolean flag);
|
}
|
}
|
