1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.nfc; 18 19 import android.content.Context; 20 21 /** 22 * High level manager used to obtain an instance of an {@link NfcAdapter}. 23 * <p> 24 * Use {@link android.content.Context#getSystemService(java.lang.String)} 25 * with {@link Context#NFC_SERVICE} to create an {@link NfcManager}, 26 * then call {@link #getDefaultAdapter} to obtain the {@link NfcAdapter}. 27 * <p> 28 * Alternately, you can just call the static helper 29 * {@link NfcAdapter#getDefaultAdapter(android.content.Context)}. 30 * 31 * @see Context#getSystemService 32 * @see NfcAdapter#getDefaultAdapter(android.content.Context) 33 */ 34 public final class NfcManager { 35 private final NfcAdapter mAdapter; 36 37 /** 38 * @hide 39 */ NfcManager(Context context)40 public NfcManager(Context context) { 41 NfcAdapter adapter; 42 try { 43 adapter = NfcAdapter.getSingleton(); 44 } catch (UnsupportedOperationException e) { 45 adapter = null; 46 } 47 mAdapter = adapter; 48 } 49 50 /** 51 * Get the default NFC Adapter for this device. 52 * 53 * @return the default NFC Adapter 54 */ getDefaultAdapter()55 public NfcAdapter getDefaultAdapter() { 56 return mAdapter; 57 } 58 } 59