Nick Pelly | 50b4d8f | 2010-12-07 22:40:28 -0800 | [diff] [blame] | 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 | */ |
| 40 | public NfcManager(Context context) { |
| 41 | NfcAdapter adapter; |
| 42 | try { |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 43 | adapter = NfcAdapter.getSingleton(); |
Nick Pelly | 50b4d8f | 2010-12-07 22:40:28 -0800 | [diff] [blame] | 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 | */ |
| 55 | public NfcAdapter getDefaultAdapter() { |
| 56 | return mAdapter; |
| 57 | } |
| 58 | } |