NullVibrator.java revision 6090995951c6e2e4dcf38102f01793f8a94166e1
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 @Override 40 public void vibrate(long milliseconds) { 41 } 42 43 @Override 44 public void vibrate(long[] pattern, int repeat) { 45 if (repeat >= pattern.length) { 46 throw new ArrayIndexOutOfBoundsException(); 47 } 48 } 49 50 /** 51 * @hide 52 */ 53 @Override 54 public void vibrate(int owningUid, String owningPackage, long milliseconds) { 55 vibrate(milliseconds); 56 } 57 58 /** 59 * @hide 60 */ 61 @Override 62 public void vibrate(int owningUid, String owningPackage, long[] pattern, int repeat) { 63 vibrate(pattern, repeat); 64 } 65 66 @Override 67 public void cancel() { 68 } 69} 70