实际上我正在尝试制作一个自定义音乐播放器应用程序，其中我只想让用户有机会将音频输出更改为立体声和单声道。
答案 0 :(得分：2)
您可以设置何时创建 <core-collapse vertical layout opened="false" id="{{test.name}}">
<template repeat="{{user in test.users }}">
<paper-item style="margin-left: 5%" on-tap="{{collapseDevice}}">
{{users.name}}
</paper-item>
</template>
</core-collapse>
。
AudioTrack如果要在运行时创建 /* Create AudioTrack instance */
AudioTrack mAudioTrack = null;
int minSize = AudioTrack.getMinBufferSize(
16000,
AudioFormat.CHANNEL_OUT_MONO, // or set AudioFormat.CHANNEL_OUT_STEREO
AudioFormat.ENCODING_PCM_16BIT);
if (mAudioTrack == null) {
mAudioTrack = new AudioTrack(
AudioManager.STREAM_MUSIC,
16000,
AudioFormat.CHANNEL_OUT_MONO, // or set AudioFormat.CHANNEL_OUT_STEREO
AudioFormat.ENCODING_PCM_16BIT,
minSize,
AudioTrack.MODE_STREAM);
}
/* Create AudioTrack instance */
/* Stop and release AudioTrack instance */
mAudioTrack.flush();
mAudioTrack.stop();
mAudioTrack.release();
mAudioTrack = null;
/* Stop and release AudioTrack instance */
的新实例，先发布先前的实例。