Added in API level 19

NfcAdapter.ReaderCallback


public static interface NfcAdapter.ReaderCallback

android.nfc.NfcAdapter.ReaderCallback


A callback to be invoked when the system finds a tag while the foreground activity is operating in reader mode.

Register your ReaderCallback implementation with NfcAdapter.enableReaderMode(Activity, ReaderCallback, int, Bundle) and disable it with NfcAdapter.disableReaderMode(Activity).

Summary

Public methods

abstract void onTagDiscovered(Tag tag)

Public methods

onTagDiscovered

Added in API level 19
public abstract void onTagDiscovered (Tag tag)

Parameters
tag Tag

Connectivity describes how Android apps connect to and use network connections, including WiFi and Bluetooth.

Updated Jan 3, 2024

API reference packages and classes for Android app developers.

Updated Mar 13, 2025

Connectivity describes how Android apps connect to and use network connections, including WiFi and Bluetooth.

Updated Sep 3, 2024