NullVibrator.java revision 1af30c7ac480e5d335f267a3ac3b2e6c748ce240 
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
19/**
20 * Vibrator implementation that does nothing.
21 *
22 * @hide
23 */
24public class NullVibrator extends Vibrator {
25    private static final NullVibrator sInstance = new NullVibrator();
26
27    private NullVibrator() {
28    }
29
30    public static NullVibrator getInstance() {
31        return sInstance;
32    }
33
34    @Override
35    public boolean hasVibrator() {
36        return false;
37    }
38
39    /**
40     * @hide
41     */
42    @Override
43    public void vibrate(int owningUid, String owningPackage, long milliseconds, int streamHint) {
44        vibrate(milliseconds);
45    }
46
47    /**
48     * @hide
49     */
50    @Override
51    public void vibrate(int owningUid, String owningPackage, long[] pattern, int repeat,
52            int streamHint) {
53        if (repeat >= pattern.length) {
54            throw new ArrayIndexOutOfBoundsException();
55        }
56    }
57
58    @Override
59    public void cancel() {
60    }
61}
62