Jeff Brown | a47425a | 2012-04-13 04:09:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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.os; |
| 18 | |
John Spurlock | 7b41467 | 2014-07-18 13:02:39 -0400 | [diff] [blame] | 19 | import android.media.AudioAttributes; |
| 20 | |
Jeff Brown | a47425a | 2012-04-13 04:09:27 -0700 | [diff] [blame] | 21 | /** |
| 22 | * Vibrator implementation that does nothing. |
| 23 | * |
| 24 | * @hide |
| 25 | */ |
| 26 | public class NullVibrator extends Vibrator { |
| 27 | private static final NullVibrator sInstance = new NullVibrator(); |
| 28 | |
| 29 | private NullVibrator() { |
| 30 | } |
| 31 | |
| 32 | public static NullVibrator getInstance() { |
| 33 | return sInstance; |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public boolean hasVibrator() { |
| 38 | return false; |
| 39 | } |
| 40 | |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 41 | @Override |
Michael Wright | 7121697 | 2017-01-31 18:33:54 +0000 | [diff] [blame] | 42 | public boolean hasAmplitudeControl() { |
| 43 | return false; |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 44 | } |
| 45 | |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 46 | @Override |
Alexey Kuzmin | e1f06b8 | 2018-06-20 17:48:43 +0100 | [diff] [blame] | 47 | public void vibrate(int uid, String opPkg, VibrationEffect effect, |
| 48 | String reason, AudioAttributes attributes) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 49 | } |
| 50 | |
Jeff Brown | a47425a | 2012-04-13 04:09:27 -0700 | [diff] [blame] | 51 | @Override |
| 52 | public void cancel() { |
| 53 | } |
| 54 | } |