NullVibrator.java revision f265ea9d8307282ff1da3915978625a94fc2859e
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.util.Log; 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 void vibrate(long milliseconds) { 43 } 44 45 @Override 46 public void vibrate(long[] pattern, int repeat) { 47 if (repeat >= pattern.length) { 48 throw new ArrayIndexOutOfBoundsException(); 49 } 50 } 51 52 /** 53 * @hide 54 */ 55 @Override 56 public void vibrate(int owningUid, String owningPackage, long milliseconds) { 57 vibrate(milliseconds); 58 } 59 60 /** 61 * @hide 62 */ 63 @Override 64 public void vibrate(int owningUid, String owningPackage, long[] pattern, int repeat) { 65 vibrate(pattern, repeat); 66 } 67 68 @Override 69 public void cancel() { 70 } 71} 72