摘要：
package com.sy.nfc.test;import java.io.IOException;import android.nfc.NdefMessage;import android.nfc.NdefRecord;import android.nfc.NfcAdapter;import android.nfc.Tag;import android.nfc.tech.MifareClassic;import android.nfc.tech.Ndef;import android.nfc.tech.NdefFormatable;import android.nfc.tech.NfcA; 阅读全文
