/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.inputmethod.latin; import android.content.Context; import android.os.Vibrator; public class VibratorUtils { private static final VibratorUtils sInstance = new VibratorUtils(); private Vibrator mVibrator; private VibratorUtils() { // This utility class is not publicly instantiable. } public static VibratorUtils getInstance(Context context) { if (sInstance.mVibrator == null) { sInstance.mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); } return sInstance; } public boolean hasVibrator() { if (mVibrator == null) { return false; } return mVibrator.hasVibrator(); } public void vibrate(long milliseconds) { if (mVibrator == null) { return; } mVibrator.vibrate(milliseconds); } }