content: /*
   * 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;
      }
  }
  