|  |  | 
 |  |  | import android.util.Log; | 
 |  |  |  | 
 |  |  | import com.dayu.baselibrary.tools.HexUtil; | 
 |  |  | import com.dayu.baselibrary.tools.nfc.NfcWriteAdapter; | 
 |  |  | import com.dayu.qiheonlinelibrary.card.UserCard; | 
 |  |  |  | 
 |  |  | import java.io.IOException; | 
 |  |  | import java.util.ArrayList; | 
 |  |  | import java.util.List; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * @author zx | 
 |  |  | 
 |  |  |  * email 1058083107@qq.com | 
 |  |  |  * description | 
 |  |  |  */ | 
 |  |  | public class NFCWriteHelper extends BaseNFCHelper { | 
 |  |  | public class NFCWriteHelper extends QHBaseNFCHelper { | 
 |  |  |  | 
 |  |  |     private Tag tag; | 
 |  |  |  | 
 |  |  |     private static NFCWriteHelper helper; | 
 |  |  |     private static int PASSWORD_LENTH = 12; | 
 |  |  |     private NfcWriteAdapter adapter; | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     public NFCWriteHelper(Intent intent, Activity activity) { | 
 |  |  |         super(activity); | 
 |  |  |         this.tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG); | 
 |  |  |         adapter = new NfcWriteAdapter(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 | 
 |  |  |      */ | 
 |  |  |     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; | 
 |  |  |             } | 
 |  |  |         try { | 
 |  |  |             return adapter.writeUserData(userCard); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  | 
 |  |  |      * @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; | 
 |  |  |             } | 
 |  |  |         try { | 
 |  |  |             return adapter.writeData(str, a, b); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  | 
 |  |  |      *          //     * @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(); | 
 |  |  | //                } | 
 |  |  |             } | 
 |  |  |         try { | 
 |  |  |             return adapter.changePasword(a, mfc); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 返回监听类 | 
 |  |  |      * 初始化卡 | 
 |  |  |      * | 
 |  |  |      * @return | 
 |  |  |      */ | 
 |  |  |     public interface NFCCallback { | 
 |  |  |         /** | 
 |  |  |          * 返回是否成功 | 
 |  |  |          * | 
 |  |  |          * @param flag | 
 |  |  |          */ | 
 |  |  |         void isSusses(boolean flag); | 
 |  |  |     public boolean initCard() { | 
 |  |  |         try { | 
 |  |  |             return adapter.initCard(); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  | } |