content: /*
   * 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 android.os;
  
  import android.media.AudioAttributes;
  
  /**
   * Vibrator implementation that does nothing.
   *
   * @hide
   */
  public class NullVibrator extends Vibrator {
      private static final NullVibrator sInstance = new NullVibrator();
  
      private NullVibrator() {
      }
  
      public static NullVibrator getInstance() {
          return sInstance;
      }
  
      @Override
      public boolean hasVibrator() {
          return false;
      }
  
      @Override
      public boolean hasAmplitudeControl() {
          return false;
      }
  
      @Override
      public void vibrate(int uid, String opPkg, VibrationEffect effect,
              String reason, AudioAttributes attributes) {
      }
  
      @Override
      public void cancel() {
      }
  }
  