AudioTestUtils.java revision 0bb47d392757b67a7b2ddf334d34b60ae3662b2f 
1/*
2 * Copyright (C) 2017 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 */
16package com.android.car.test;
17
18import android.media.AudioAttributes;
19import android.media.AudioFocusRequest;
20import android.media.AudioManager;
21import android.media.AudioManager.OnAudioFocusChangeListener;
22
23final class AudioTestUtils {
24    private AudioTestUtils() {}
25
26    static int doRequestFocus(
27            AudioManager audioManager,
28            OnAudioFocusChangeListener listener,
29            int streamType,
30            int androidFocus) {
31        AudioAttributes.Builder attributesBuilder = new AudioAttributes.Builder();
32        attributesBuilder.setLegacyStreamType(streamType);
33        return doRequestFocus(audioManager, listener, attributesBuilder.build(), androidFocus);
34    }
35
36    static int doRequestFocus(
37            AudioManager audioManager,
38            OnAudioFocusChangeListener listener,
39            AudioAttributes attributes,
40            int androidFocus) {
41        AudioFocusRequest.Builder focusBuilder = new AudioFocusRequest.Builder(androidFocus);
42        focusBuilder.setOnAudioFocusChangeListener(listener).setAcceptsDelayedFocusGain(false);
43        focusBuilder.setAudioAttributes(attributes);
44
45        return audioManager.requestAudioFocus(focusBuilder.build());
46    }
47}
48