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
17package android.os;
18
19import android.media.AudioAttributes;
20
21/**
22 * Vibrator implementation that does nothing.
23 *
24 * @hide
25 */
26public 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
41    @Override
42    public boolean hasAmplitudeControl() {
43        return false;
44    }
45
46    @Override
47    public void vibrate(int uid, String opPkg,
48            VibrationEffect effect, AudioAttributes attributes) {
49    }
50
51    @Override
52    public void cancel() {
53    }
54}
55