Databases
StackOverflow2013
Postsdbo
POThe method getBytes() is undefined for the type TextView
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POThe method getBytes() is undefined for the type TextView
    text
    copied!<p>I'm attempting to use the following example to add multiple records to one <code>NDefMessage</code> however when I attempt to do so - I'm getting an error stating "The method <code>getBytes()</code> is undefined for the type <code>TextView</code>" </p> <p>EXAMPLE: <a href="https://stackoverflow.com/questions/11427997/android-app-to-add-mutiple-record-in-nfc-tag?rq=1">example</a></p> <p>SOURCE:</p> <pre class="lang-java prettyprint-override"><code>public class ViewCountry extends Activity implements CreateNdefMessageCallback, OnNdefPushCompleteCallback { NfcAdapter mNfcAdapter; // TextView timeTv; private static final int MESSAGE_SENT = 1; private long rowID; private TextView nameTv; private TextView capTv; private TextView codeTv; private TextView timeTv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.view_country); setUpViews(); Bundle extras = getIntent().getExtras(); rowID = extras.getLong(CountryList.ROW_ID); } private void setUpViews() { nameTv = (TextView) findViewById(R.id.nameText); capTv = (TextView) findViewById(R.id.capText); timeTv = (TextView) findViewById(R.id.timeEdit); codeTv = (TextView) findViewById(R.id.codeText); nameTv = (TextView) findViewById(R.id.nameText); // Check for available NFC Adapter mNfcAdapter = NfcAdapter.getDefaultAdapter(this); if (mNfcAdapter == null) { nameTv = (TextView) findViewById(R.id.nameText); nameTv.setText("NFC is not available on this device."); timeTv = (TextView) findViewById(R.id.timeEdit); timeTv.setText("NFC is not available on this device."); } else { // Register callback to set NDEF message mNfcAdapter.setNdefPushMessageCallback(this, this); // Register callback to listen for message-sent success mNfcAdapter.setOnNdefPushCompleteCallback(this, this); } } @Override public NdefMessage createNdefMessage(NfcEvent event) { String message1 = nameTv.getText().toString(); String message2 = timeTv.getText().toString(); byte[] textBytes1 = nameTv.getBytes(); byte[] textBytes2 = timeTv.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); // String text = ("SSID"); NdefMessage msg = new NdefMessage( new NdefRecord[]{ textRecord1, textRecord2, NdefRecord.createApplicationRecord("com.nfc.linked") } */ //,NdefRecord.createApplicationRecord("com.nfc.linked") ); return msg; } /** * Implementation for the OnNdefPushCompleteCallback interface */ @Override public void onNdefPushComplete(NfcEvent arg0) { // A handler is needed to send messages to the activity when this // callback occurs, because it happens from a binder thread mHandler.obtainMessage(MESSAGE_SENT).sendToTarget(); } /** This handler receives a message from onNdefPushComplete */ private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case MESSAGE_SENT: Toast.makeText(getApplicationContext(), "Core Device Rules Sent!", Toast.LENGTH_LONG).show(); break; } } }; @Override public void onNewIntent(Intent intent) { // onResume gets called after this to handle the intent setIntent(intent); } /** * Parses the NDEF Message from the intent and prints to the TextView */ void processIntent(Intent intent) { Parcelable[] rawMsgs = intent.getParcelableArrayExtra( NfcAdapter.EXTRA_NDEF_MESSAGES); // only one message sent during the beam NdefMessage msg = (NdefMessage) rawMsgs[0]; // record 0 contains the MIME type, record 1 is the AAR, if present nameTv.setText(new String(msg.getRecords()[0].getPayload())); } @Override public boolean onCreateOptionsMenu(Menu menu) { // If NFC is not available, we won't be needing this menu if (mNfcAdapter == null) { return super.onCreateOptionsMenu(menu); } MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.options, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_settings: Intent intent = new Intent(Settings.ACTION_NFCSHARING_SETTINGS); startActivity(intent); return true; default: return super.onOptionsItemSelected(item); } } @Override protected void onResume() { super.onResume(); new LoadContacts().execute(rowID); } private class LoadContacts extends AsyncTask&lt;Long, Object, Cursor&gt; { DatabaseConnector dbConnector = new DatabaseConnector(ViewCountry.this); @Override protected Cursor doInBackground(Long... params) { dbConnector.open(); return dbConnector.getOneContact(params[0]); } @Override protected void onPostExecute(Cursor result) { super.onPostExecute(result); result.moveToFirst(); // get the column index for each data item int nameIndex = result.getColumnIndex("name"); int capIndex = result.getColumnIndex("cap"); int codeIndex = result.getColumnIndex("code"); int timeIndex = result.getColumnIndex("time"); nameTv.setText(result.getString(nameIndex)); capTv.setText(result.getString(capIndex)); timeTv.setText(result.getString(timeIndex)); codeTv.setText(result.getString(codeIndex)); result.close(); dbConnector.close(); } } private void deleteContact() { AlertDialog.Builder alert = new AlertDialog.Builder(ViewCountry.this); alert.setTitle(R.string.confirmTitle); alert.setMessage(R.string.confirmMessage); alert.setPositiveButton(R.string.delete_btn, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int button) { final DatabaseConnector dbConnector = new DatabaseConnector(ViewCountry.this); AsyncTask&lt;Long, Object, Object&gt; deleteTask = new AsyncTask&lt;Long, Object, Object&gt;() { @Override protected Object doInBackground(Long... params) { dbConnector.deleteContact(params[0]); return null; } @Override protected void onPostExecute(Object result) { finish(); } }; deleteTask.execute(new Long[] { rowID }); } } ); alert.setNegativeButton(R.string.cancel_btn, null).show(); } } </code></pre>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload