IsoDep.GetHistoricalBytes Method
Definition
Important
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Return the ISO-DEP historical bytes for NfcA tags.
[Android.Runtime.Register("getHistoricalBytes", "()[B", "")]
public byte[]? GetHistoricalBytes ();[<Android.Runtime.Register("getHistoricalBytes", "()[B", "")>]
member this.GetHistoricalBytes : unit -> byte[]Returns
ISO-DEP historical bytes, or null if this is not a NfcA tag
- Attributes
Remarks
Return the ISO-DEP historical bytes for NfcA tags.
Does not cause any RF activity and does not block.
The historical bytes can be used to help identify a tag. They are present only on IsoDep tags that are based on NfcA RF technology. If this tag is not NfcA then null is returned.
In ISO 14443-4 terminology, the historical bytes are a subset of the RATS response.
Java documentation for android.nfc.tech.IsoDep.getHistoricalBytes().
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.