1 /* 2 * Copyright 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.android.exoplayer2.device; 17 18 import com.google.android.exoplayer2.Player; 19 20 /** A listener for changes of {@link Player.DeviceComponent}. */ 21 public interface DeviceListener { 22 23 /** Called when the device information changes. */ onDeviceInfoChanged(DeviceInfo deviceInfo)24 default void onDeviceInfoChanged(DeviceInfo deviceInfo) {} 25 26 /** Called when the device volume or mute state changes. */ onDeviceVolumeChanged(int volume, boolean muted)27 default void onDeviceVolumeChanged(int volume, boolean muted) {} 28 } 29