@Override
public NdefMessage createNdefMessage(NfcEvent event) {
Log.d("ANDROID_LAB", "createNdefMessage thread.name=" + Thread.currentThread().getName());
StringBuilder sb = new StringBuilder();
sb.append(Build.MODEL + "("); // 手机型号
sb.append(Build.VERSION.SDK_INT + ","); // SDK版本号
sb.append(Build.VERSION.RELEASE + ")"); // Firmware/OS 版本号
sb.append("发送来一条NFC消息, 时间是");
Time time = new Time();
time.setToNow();
sb.append(time.format("%H:%M:%S"));
Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.and);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, baos);
byte[] bmpData = baos.toByteArray();
NdefRecord[] records = new NdefRecord[2];
records[0] =
NdefRecord.createMime("application/lab.sodino.nfc", sb.toString().getBytes()); // 文本消息
records[1] = NdefRecord.createMime("application/lab.sodino.nfc", bmpData); // 图片消息
// records[2] = NdefRecord.createApplicationRecord("com.tencent.mobileqq");
NdefMessage msg = new NdefMessage(records);
return msg;
}
/**
* Creates records to send to another device if detected those records are about to send to
* another device
*
* @return NdefRecord[] - array of records to attach
*/
public NdefRecord[] createRecords() {
NdefRecord[] records = new NdefRecord[messagesToSendQueue.size()];
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
for (int counter = 0; counter < messagesToSendQueue.size(); counter++) {
byte[] payload = messagesToSendQueue.get(counter).getBytes(Charset.forName("UTF-8"));
NdefRecord record =
new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_TEXT, new byte[0], payload);
records[counter] = record;
}
} else {
for (int counter = 0; counter < messagesToSendQueue.size(); counter++) {
byte[] payload = messagesToSendQueue.get(counter).getBytes(Charset.forName("UTF-8"));
NdefRecord record = NdefRecord.createMime("text/plain", payload);
records[counter] = record;
}
}
records[messagesToSendQueue.size()] = NdefRecord.createApplicationRecord(getPackageName());
return records;
}