大家好，我是开发Android应用程序的初学者，现在我需要一些数据写入NFC标签来检查我自己的NFC阅读器程序，但是，这些应用程序，我可以尝试只能写一个记录到标签，不匹配我的要求有几个内部记录，并在年底的AAR记录，所以我想问一下，如果有人知道的任何应用程序，它可以提供此功能或任何以前写这样的程序吗？谢谢！
public class Writer extends Activity {
NfcAdapter mAdapter;
PendingIntent mPendingIntent;
IntentFilter mWriteTagFilters[];
boolean mWriteMode;
Tag detectedTag;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_writer);
mAdapter = NfcAdapter.getDefaultAdapter(this);
mPendingIntent = PendingIntent.getActivity(this, 0,
new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
mWriteTagFilters = new IntentFilter[] { tagDetected };
//enableTagWriteMode();
//Intent intent = getIntent();
}
private void enableTagWriteMode(){
mWriteMode = true;
mAdapter.enableForegroundDispatch(this, mPendingIntent, mWriteTagFilters, null);
}
private void disableTagWriteMode(){
mWriteMode = false;
mAdapter.disableForegroundDispatch(this);
}
public void SetTag(View view){
EditText editText1 = (EditText) findViewById(R.id.edit_message1);
EditText editText2 = (EditText) findViewById(R.id.edit_message2);
String message1 = editText1.getText().toString();
String message2 = editText2.getText().toString();
byte[] textBytes1 = message1.getBytes();
byte[] textBytes2 = message2.getBytes();
NdefRecord textRecord1 = new NdefRecord(NdefRecord.TNF_WELL_KNOWN,
message1.getBytes(), new byte[]{}, textBytes1);
NdefRecord textRecord2 = new NdefRecord(NdefRecord.TNF_WELL_KNOWN,
message2.getBytes(), new byte[]{}, textBytes2);
NdefMessage mNdefMessage = new NdefMessage(
new NdefRecord[]{
textRecord1,
textRecord2,
NdefRecord.createApplicationRecord("android.reader")
}
);
writeTag(mNdefMessage, detectedTag);
}
public static void writeTag(NdefMessage message, Tag tag){
int size = message.toByteArray().length;
try {
Ndef ndef = Ndef.get(tag);
if (ndef != null){
ndef.connect();
if (ndef.isWritable() && ndef.getMaxSize() > size)
ndef.writeNdefMessage(message);
}else{
NdefFormatable format = NdefFormatable.get(tag);
if (format != null) {
try {
format.connect();
format.format(message);
}catch(IOException e){
}
}
}
}catch(Exception e){
}
}
@Override
protected void onNewIntent(Intent intent){
if(mWriteMode && NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction()))
detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
}
@Override
public void onPause(){
super.onPause();
disableTagWriteMode();
}
@Override
public void onResume(){
super.onResume();
enableTagWriteMode();
}
}
