content: /*
   * Copyright (c) 2014, The Linux Foundation. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *    * Redistributions of source code must retain the above copyright
          notice, this list of conditions and the following disclaimer.
   *    * Redistributions in binary form must reproduce the above
   *      copyright notice, this list of conditions and the following
   *      disclaimer in the documentation and/or other materials provided
   *      with the distribution.
   *    * Neither the name of The Linux Foundation nor the names of its
   *      contributors may be used to endorse or promote products derived
   *      from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package com.android.ims;
  
  /**
   * Listener for receiving notifications about changes to the IMS connection.
   * It provides a state of IMS registration between UE and IMS network, the service
   * availability of the local device during IMS registered.
   *
   * @hide
   */
  public class ImsEcbmStateListener {
      /**
       * Called when the device enters Emergency Callback Mode
       */
      public void onECBMEntered() {
          // no-op
      }
  
      /**
       * Called when the device exits Emergency Callback Mode
       */
      public void onECBMExited() {
          // no-op
      }
  }
  