/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.nfc; /** * Wraps information associated with any NFC event. * * <p>Immutable object, with direct access to the (final) fields. * * <p>An {@link NfcEvent} object is usually included in callbacks from * {@link NfcAdapter}. Check the documentation of the callback to see * which fields may be set. * * <p>This wrapper object is used (instead of parameters * in the callback) because it allows new fields to be added without breaking * API compatibility. * * @see NfcAdapter.OnNdefPushCompleteCallback#onNdefPushComplete * @see NfcAdapter.CreateNdefMessageCallback#createNdefMessage */ public final class NfcEvent { /** * The {@link NfcAdapter} associated with the NFC event. */ public final NfcAdapter nfcAdapter; /** * The major LLCP version number of the peer associated with the NFC event. */ public final int peerLlcpMajorVersion; /** * The minor LLCP version number of the peer associated with the NFC event. */ public final int peerLlcpMinorVersion; NfcEvent(NfcAdapter nfcAdapter, byte peerLlcpVersion) { this.nfcAdapter = nfcAdapter; this.peerLlcpMajorVersion = (peerLlcpVersion & 0xF0) >> 4; this.peerLlcpMinorVersion = peerLlcpVersion & 0x0F; } }