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<p>Provides access to Near Field Communication (NFC) functionality, allowing applications to read
NDEF message in NFC tags. A "tag" may actually be another device that appears as a tag.</p>
<p>For more information, see the
<a href="{@docRoot}guide/topics/connectivity/nfc/index.html">Near Field Communication</a> guide.</p>
{@more}
<p>Here's a summary of the classes:</p>
<dl>
<dt>{@link android.nfc.NfcManager}</dt>
<dd>This is the high level manager, used to obtain this device's {@link android.nfc.NfcAdapter}. You can
acquire an instance using {@link android.content.Context#getSystemService}.</dd>
<dt>{@link android.nfc.NfcAdapter}</dt>
<dd>This represents the device's NFC adapter, which is your entry-point to performing NFC
operations. You can acquire an instance with {@link android.nfc.NfcManager#getDefaultAdapter}, or
{@link android.nfc.NfcAdapter#getDefaultAdapter(android.content.Context)}.</dd>
<dt>{@link android.nfc.NdefMessage}</dt>
<dd>Represents an NDEF data message, which is the standard format in which "records"
carrying data are transmitted between devices and tags. Your application can receive these
messages from an {@link android.nfc.NfcAdapter#ACTION_TAG_DISCOVERED} intent.</dd>
<dt>{@link android.nfc.NdefRecord}</dt>
<dd>Represents a record, which is delivered in a {@link android.nfc.NdefMessage} and describes the
type of data being shared and carries the data itself.</dd>
</dl>
<p class="note"><strong>Note:</strong>
Not all Android-powered devices provide NFC functionality.</p>
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