| /* |
| * Copyright (C) 2018 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.car.media; |
| |
| /** |
| * Binder interface to callback the volume key events. |
| * |
| * @hide |
| */ |
| oneway interface ICarVolumeCallback { |
| /** |
| * This is called whenever a group volume is changed. |
| * The changed-to volume index is not included, the caller is encouraged to |
| * get the current group volume index via CarAudioManager. |
| */ |
| void onGroupVolumeChanged(int groupId, int flags); |
| |
| /** |
| * This is called whenever the master mute state is changed. |
| * The changed-to master mute state is not included, the caller is encouraged to |
| * get the current master mute state via AudioManager. |
| */ |
| void onMasterMuteChanged(int flags); |
| } |