AudioTrackPlayerImpl.java 文件源码

public AudioTrackPlayerImpl() {
    // init
    initAudioTrack(AUDIO_FORMAT_PCM8K, 1);
    // 读取音量和静音的数据
    currentVolume = (float) MediaPlayerPreferenceUtil.get(context,
            KEY_SP_VOLUME, 0.8f);
    isMute = (boolean) MediaPlayerPreferenceUtil.get(context,
            KEY_SP_MUTE, false);
    // LinkedList
    mediaPlayerListeners = Collections.synchronizedList(new LinkedList<IMediaPlayerListener>());
    // 来电监听
    telephonyManager = (TelephonyManager)
            context.getSystemService(Service.TELEPHONY_SERVICE);
    telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
}