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 com.android.inputmethod.latin; 18 19 import android.content.Context; 20 import android.os.Vibrator; 21 22 public class VibratorUtils { 23 private static final VibratorUtils sInstance = new VibratorUtils(); 24 private Vibrator mVibrator; 25 VibratorUtils()26 private VibratorUtils() { 27 // This utility class is not publicly instantiable. 28 } 29 getInstance(Context context)30 public static VibratorUtils getInstance(Context context) { 31 if (sInstance.mVibrator == null) { 32 sInstance.mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 33 } 34 return sInstance; 35 } 36 hasVibrator()37 public boolean hasVibrator() { 38 if (mVibrator == null) { 39 return false; 40 } 41 return mVibrator.hasVibrator(); 42 } 43 vibrate(long milliseconds)44 public void vibrate(long milliseconds) { 45 if (mVibrator == null) { 46 return; 47 } 48 mVibrator.vibrate(milliseconds); 49 } 50 } 51