1 /* 2 * Copyright (C) 2024 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 17 package com.android.settingslib.volume.shared.model 18 19 import android.media.AudioManager 20 import android.media.AudioSystem 21 22 /** Type-safe wrapper for [AudioManager] audio stream. */ 23 @JvmInline 24 value class AudioStream(val value: Int) { <lambda>null25 init { 26 require(value in supportedStreamTypes) { "Unsupported stream=$value" } 27 } 28 toStringnull29 override fun toString(): String = AudioSystem.streamToString(value) 30 31 companion object { 32 val supportedStreamTypes = 33 setOf( 34 AudioManager.STREAM_VOICE_CALL, 35 AudioManager.STREAM_SYSTEM, 36 AudioManager.STREAM_RING, 37 AudioManager.STREAM_MUSIC, 38 AudioManager.STREAM_ALARM, 39 AudioManager.STREAM_NOTIFICATION, 40 AudioManager.STREAM_BLUETOOTH_SCO, 41 AudioManager.STREAM_SYSTEM_ENFORCED, 42 AudioManager.STREAM_DTMF, 43 AudioManager.STREAM_TTS, 44 AudioManager.STREAM_ACCESSIBILITY, 45 AudioManager.STREAM_ASSISTANT, 46 ) 47 } 48 } 49