Android Open Source - NFCSocket Utils

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Back to project page NFCSocket.

License

The source code is released under:

Apache License

Java Source Code

package com.chrisplus.nfcsocket;
/*  w ww  . j ava  2s.c o  m*/
public abstract class Utils {
  public static byte[] CLA_INS_P1_P2 = { 0x00, (byte) 0xA4, 0x04, 0x00 };
  public static byte[] AID_ANDROID = { (byte) 0xF0, 0x01, 0x02, 0x03, 0x04,
      0x05, 0x06 };

  public static void setUnitByte(byte[] unitByte) {
    System.arraycopy(unitByte, 0, CLA_INS_P1_P2, 0, unitByte.length);
  }

  public static byte[] createSelectAidApdu() {
    byte[] result = new byte[6 + AID_ANDROID.length];
    System.arraycopy(CLA_INS_P1_P2, 0, result, 0, CLA_INS_P1_P2.length);
    result[4] = (byte) AID_ANDROID.length;
    System.arraycopy(AID_ANDROID, 0, result, 5, AID_ANDROID.length);
    result[result.length - 1] = 0;
    return result;
  }

  public static boolean isSelectAidApdu(byte[] apdu) {
    return apdu.length >= 2 && apdu[0] == (byte) CLA_INS_P1_P2[0]
        && apdu[1] == (byte) CLA_INS_P1_P2[1];
  }

  public static boolean isConnectStatusSuccess(int connectStatusCode) {
    return connectStatusCode > 0;
  }

}

Java Source Code List

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