| /* |
| * Copyright (C) 2012 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 com.android.cts.audiotest; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.media.AudioManager; |
| import android.os.Bundle; |
| |
| |
| public class CtsAudioClientActivity extends Activity { |
| private AudioProtocol mProtocol = null; |
| int mVolumeMusic; |
| int mVolumeVoice; |
| @Override |
| protected void onPause() { |
| try { |
| mProtocol.stop(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| mProtocol = null; |
| setVolume(AudioManager.STREAM_MUSIC, mVolumeMusic); |
| setVolume(AudioManager.STREAM_VOICE_CALL, mVolumeVoice); |
| super.onPause(); |
| } |
| |
| @Override |
| protected void onResume() { |
| // set volume to max |
| mVolumeMusic = setVolume(AudioManager.STREAM_MUSIC, -1); |
| mVolumeVoice = setVolume(AudioManager.STREAM_VOICE_CALL, -1); |
| mProtocol = new AudioProtocol(); |
| mProtocol.start(); |
| super.onResume(); |
| } |
| |
| /** Called when the activity is first created. */ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.main); |
| } |
| |
| /** |
| * set volume to desired level |
| * @param level target level, if -1, set to max |
| * @return the original volume level |
| */ |
| int setVolume(int stream, int level) { |
| AudioManager mgr = (AudioManager) getSystemService(Context.AUDIO_SERVICE); |
| mgr.setStreamMute(stream, false); |
| int original = mgr.getStreamVolume(AudioManager.STREAM_MUSIC); |
| int targetLevel = level; |
| if (level == -1) { |
| targetLevel = mgr.getStreamMaxVolume(stream); |
| } |
| mgr.setStreamVolume(stream, targetLevel, 0); |
| return original; |
| } |
| } |