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android.nfc

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.

For more information, see the Near Field Communication guide.

Here's a summary of the classes:

NfcManager: This is the high level manager, used to obtain this device's NfcAdapter. You can acquire an instance using getSystemService(Class).
NfcAdapter: This represents the device's NFC adapter, which is your entry-point to performing NFC operations. You can acquire an instance with getDefaultAdapter(), or getDefaultAdapter(android.content.Context).
NdefMessage: 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 ACTION_TAG_DISCOVERED intent.
NdefRecord: Represents a record, which is delivered in a NdefMessage and describes the type of data being shared and carries the data itself.

Note: Not all Android-powered devices provide NFC functionality.

Interfaces

NfcAdapter.CreateBeamUrisCallback	This interface is deprecated. this feature is deprecated. File sharing can work using other technology like Bluetooth.
NfcAdapter.CreateNdefMessageCallback	This interface is deprecated. this feature is deprecated. File sharing can work using other technology like Bluetooth.
NfcAdapter.OnNdefPushCompleteCallback	This interface is deprecated. this feature is deprecated. File sharing can work using other technology like Bluetooth.
NfcAdapter.OnTagRemovedListener	A callback that is invoked when a tag is removed from the field.
NfcAdapter.ReaderCallback	A callback to be invoked when the system finds a tag while the foreground activity is operating in reader mode.

Classes

NdefMessage	Represents an immutable NDEF Message.
NdefRecord	Represents an immutable NDEF Record.
NfcAdapter	Represents the local NFC adapter.
NfcEvent	Wraps information associated with any NFC event.
NfcManager	High level manager used to obtain an instance of an `NfcAdapter`.
Tag	Represents an NFC tag that has been discovered.

Exceptions

FormatException
TagLostException