MifareClassic.ReadBlock(Int32) Method
Definition
Important
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Read 16-byte block.
[Android.Runtime.Register("readBlock", "(I)[B", "")]
public byte[]? ReadBlock (int blockIndex);[<Android.Runtime.Register("readBlock", "(I)[B", "")>]
member this.ReadBlock : int -> byte[]Parameters
- blockIndex
- Int32
index of block to read, starting from 0
Returns
16 byte block
- Attributes
Exceptions
if the tag leaves the field
if there is an I/O failure, or the operation is canceled
Remarks
Read 16-byte block.
This is an I/O operation and will block until complete. It must not be called from the main application thread. A blocked call will be canceled with IOException if #close is called from another thread.
<p class="note">Requires the android.Manifest.permission#NFC permission.
Java documentation for android.nfc.tech.MifareClassic.readBlock(int).
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.