1 /* Copyright (C) 2014 The Android Open Source Project 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 package android.media.audiopolicy; 17 18 import android.media.AudioFocusInfo; 19 20 /** 21 * @hide 22 */ 23 oneway interface IAudioPolicyCallback { 24 25 // callbacks for audio focus listening 26 void notifyAudioFocusGrant(in AudioFocusInfo afi, int requestResult); 27 void notifyAudioFocusLoss(in AudioFocusInfo afi, boolean wasNotified); 28 // callback for audio focus policy 29 void notifyAudioFocusRequest(in AudioFocusInfo afi, int requestResult); 30 void notifyAudioFocusAbandon(in AudioFocusInfo afi); 31 32 // callback for mix activity status update 33 void notifyMixStateUpdate(in String regId, int state); 34 35 // callback for volume events 36 void notifyVolumeAdjust(int adjustment); 37 } 38
