다음을 통해 공유


NfcBarcode.GetBarcode Method

Definition

Returns the barcode of an NfcBarcode tag.

[Android.Runtime.Register("getBarcode", "()[B", "")]
public byte[]? GetBarcode ();
[<Android.Runtime.Register("getBarcode", "()[B", "")>]
member this.GetBarcode : unit -> byte[]

Returns

Byte[]

a byte array containing the barcode

Attributes

Remarks

Returns the barcode of an NfcBarcode tag.

Tags of #TYPE_KOVIO return 16 bytes: <ul>

The first byte is 0x80 ORd with a manufacturer ID, corresponding to ISO/IEC 7816-6.

The second byte describes the payload data format. Defined data format types include the following:<ul> <li>0x00: Reserved for manufacturer assignment</li> <li>0x01: 96-bit URL with "http://www." prefix</li> <li>0x02: 96-bit URL with "https://www." prefix</li> <li>0x03: 96-bit URL with "http://" prefix</li> <li>0x04: 96-bit URL with "https://" prefix</li> <li>0x05: 96-bit GS1 EPC</li> <li>0x06-0xFF: reserved</li> </ul>

The following 12 bytes are payload:<ul> <li> In case of a URL payload, the payload is encoded in US-ASCII, following the limitations defined in RFC3987. <a href="http://www.ietf.org/rfc/rfc3987.txt">RFC 3987</a></li> <li> In case of GS1 EPC data, see GS1 Electronic Product Code (EPC) Tag Data Standard (TDS) for more details. </li> </ul>

The last 2 bytes comprise the CRC. </ul>

Does not cause any RF activity and does not block.

Java documentation for android.nfc.tech.NfcBarcode.getBarcode().

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to