本文整理汇总了Java中android.nfc.tech.Ndef.getCachedNdefMessage方法的典型用法代码示例。如果您正苦于以下问题:Java Ndef.getCachedNdefMessage方法的具体用法?Java Ndef.getCachedNdefMessage怎么用?Java Ndef.getCachedNdefMessage使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.nfc.tech.Ndef
的用法示例。
在下文中一共展示了Ndef.getCachedNdefMessage方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getNdefUsedSize
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private DataReply getNdefUsedSize() {
DataReply dataReply = new DataReply();
int size = 0;
if (currentTag != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
Ndef ndef = Ndef.get(currentTag);
if (ndef != null && ndef.getCachedNdefMessage() != null)
size = ndef.getCachedNdefMessage().toByteArray().length;
else {
dataReply.setError(TAG_READING_ERROR);
return dataReply;
}
try {
if (ndef != null) ndef.close();
} catch (IOException e) {
}
}
}
dataReply.setIntegerData(size);
return dataReply;
}
示例2: nfcRead
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
public String nfcRead(Tag t)
{
Tag tag = t;
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records)
{
if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT))
{
try {return readText(ndefRecord);} catch (UnsupportedEncodingException e) {}
}
}
return null;
}
示例3: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected NFCTag doInBackground(Intent... params) {
Intent intent = params[0];
Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
if(ndefMessage != null) {
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records) {
try {
return new NFCTag(ndefRecord).decode();
} catch (UnsupportedEncodingException e) {
Log.e("NFC", "Unsupported Encoding", e);
}
}
}
return null;
}
示例4: getTagText
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
public String getTagText() throws Exception
{
if (tag == null)
{
throw new Exception("Please call handle new read as tag is null");
}
Ndef ndef = Ndef.get(tag);
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records)
{
if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT))
{
try
{
return readText(ndefRecord);
}
catch (UnsupportedEncodingException e)
{
Toast.makeText(activity, "Unsupported encoding", Toast.LENGTH_SHORT).show();
}
}
}
return null;
}
示例5: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected ArrayList<String> doInBackground(Tag... params) {
Tag tag = params[0];
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// NDEF is not supported by this Tag.
return null;
}
ArrayList<String> results = new ArrayList<>();
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records) {
if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT)) {
try {
results.add(readText(ndefRecord));
} catch (UnsupportedEncodingException e) {
Log.e(TAG, "Unsupported Encoding", e);
}
}
}
return results;
}
示例6: readTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private void readTag(Tag t) {
byte[] id = t.getId();
// get NDEF tag details
Ndef ndefTag = Ndef.get(t);
// get NDEF message details
NdefMessage ndefMesg = ndefTag.getCachedNdefMessage();
if (ndefMesg == null) {
return;
}
NdefRecord[] ndefRecords = ndefMesg.getRecords();
if (ndefRecords == null) {
return;
}
for (NdefRecord record : ndefRecords) {
short tnf = record.getTnf();
String type = new String(record.getType());
if (tnf == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(type.getBytes(), NdefRecord.RTD_URI)) {
String url = new String(record.getPayload());
recordBadge(url);
}
}
}
示例7: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected String doInBackground(Tag... params) {
Tag tag = params[0];
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// NDEF is not supported by this Tag.
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records) {
if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT)) {
try {
return readText(ndefRecord);
} catch (UnsupportedEncodingException e) {
//Log.e(TAG, "Unsupported Encoding", e);
}
}
}
return null;
}
示例8: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected String doInBackground(Tag... params) {
Tag tag = params[0];
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// NDEF is not supported by this Tag.
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records) {
if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT)) {
try {
return readText(ndefRecord);
} catch (UnsupportedEncodingException e) {
Log.e(TAG, "Unsupported Encoding", e);
}
}
}
return null;
}
示例9: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected String doInBackground(Tag... params) {
Tag tag = params[0];
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// NDEF is not supported by this Tag.
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord ndefRecord : records) {
try {
tmpPubKey = readKey(ndefRecord);
return tmpPubKey.toString();
} catch (UnsupportedEncodingException e) {
Log.e(TAG, "Unsupported Encoding", e);
}
}
return null;
}
示例10: read
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private void read(Intent intent) {
Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
Toast.makeText(this, "Read failed", Toast.LENGTH_LONG).show();
} else {
// Read tag
NdefMessage msg;
msg = ndef.getCachedNdefMessage();
if (msg == null || msg.getRecords() == null
|| msg.getRecords()[0] == null
|| msg.getRecords()[0].getPayload() == null) {
Toast.makeText(this, "Read failed", Toast.LENGTH_LONG).show();
return;
}
String text = new String(msg.getRecords()[0].getPayload());
Toast.makeText(this, text, Toast.LENGTH_LONG).show();
}
}
示例11: onTagDiscovered
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* NFC
*/
@Override
public void onTagDiscovered(Tag tag) {
Ndef ndef = Ndef.get(tag);
NdefMessage message;
if (ndef != null) {
message = ndef.getCachedNdefMessage();
} else {
return;
}
mUrls.clear();
if (message != null) {
digUrisInMessage(message);
}
// URL一覧の変更をListViewに通知する
runOnUiThread(new Runnable() {
@Override
public void run() {
mAdapter.notifyDataSetChanged();
}
});
}
示例12: getNdefRecordCount
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private DataReply getNdefRecordCount() {
DataReply dataReply = new DataReply();
int recordCount = 0;
if (currentTag != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
Ndef ndef = Ndef.get(currentTag);
if (ndef != null) {
if (ndef.getCachedNdefMessage() != null)
recordCount = ndef.getCachedNdefMessage().getRecords().length;
else
recordCount = 0;
} else {
dataReply.setError(TAG_READING_ERROR);
return dataReply;
}
try {
if (ndef != null) ndef.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
if (recordCount > 256) {
dataReply.setError(INDEX_OUT_OF_BOUNDS);
recordCount = 256;
}
dataReply.setIntegerData(recordCount);
return dataReply;
}
示例13: getNdefRecordTypeLength
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private DataReply getNdefRecordTypeLength(int recordNumber) {
DataReply dataReply = new DataReply();
int length = 0;
if (currentTag != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
Ndef ndef = Ndef.get(currentTag);
if (ndef != null) {
if (ndef.getCachedNdefMessage() != null)
if (ndef.getCachedNdefMessage().getRecords().length > recordNumber) {
NdefRecord record = ndef.getCachedNdefMessage().getRecords()[recordNumber];
length = record.getType().length;
} else {
dataReply.setError(RECORD_NOT_FOUND);
return dataReply;
}
else {
dataReply.setError(RECORD_NOT_FOUND);
return dataReply;
}
} else {
dataReply.setError(TAG_READING_ERROR);
return dataReply;
}
try {
if (ndef != null) ndef.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
dataReply.setIntegerData(length);
return dataReply;
}
示例14: getNdefRecordDataLength
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private DataReply getNdefRecordDataLength(int recordNumber) {
DataReply dataReply = new DataReply();
int length = 0;
if (currentTag != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
Ndef ndef = Ndef.get(currentTag);
if (ndef != null) {
if (ndef.getCachedNdefMessage() != null)
if (ndef.getCachedNdefMessage().getRecords().length > recordNumber) {
NdefRecord record = ndef.getCachedNdefMessage().getRecords()[recordNumber];
length = record.getPayload().length;
} else {
dataReply.setError(RECORD_NOT_FOUND);
return dataReply;
}
else {
dataReply.setError(RECORD_NOT_FOUND);
return dataReply;
}
} else {
dataReply.setError(TAG_READING_ERROR);
return dataReply;
}
try {
if (ndef != null) ndef.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
dataReply.setIntegerData(length);
return dataReply;
}
示例15: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected String doInBackground(Tag... params)
{
Tag tag = params[0];
String result;
mac_cnt = 0;
Ndef ndef = Ndef.get(tag);
if (ndef == null)
{
return null;
}
NdefMessage ndefMessage = ndef.getCachedNdefMessage();
NdefRecord[] records = ndefMessage.getRecords();
for (NdefRecord record : records) {
if (record.getTnf() == NdefRecord.TNF_MIME_MEDIA) {
/* Read the NFC Tags payload */
readText(record);
}
}
result = "OK";
return result;
}