Android MediaPlayer已暂停，音量按钮无法控制多媒体 [英] Android MediaPlayer is paused, volume buttons do not control multimedia

问题描述

我使用在Internet上找到的示例代码播放了示例音乐(.mp3).代码类似于

I played a sample music (.mp3) using a sample code I found on the Internet. The code is something like

MediaPlayer mp = new ...
mp.setDataSource(...
mp.setAudioStreamType(...
mp.prepare();
mp.start();

问题在于，音乐暂停时，音量按钮不控制多媒体音量，而是控制通知音量.

The problem is that when the music is paused, the volume buttons do not control multimedia volume but notification volume.

mp.pause();

此行为与我测试过的其他音乐播放器不同.暂停音乐后，三星内置的Music，VLC和其他程序仍显示多媒体音量.

This behaviour is different from other music players I have tested. Samsung's built-in Music, VLC, and other programs still showed multimedia volume when the music has been paused.

暂停音乐后如何显示多媒体音量?

How can I make multimedia volume appear when music is paused?

PS:似乎其他播放器都可以通过按音量按钮来控制多媒体音量，无论当前播放状态如何，甚至都还没有开始播放.我该怎么办?

PS: It seems other players make pressing volume buttons control multimedia volume, no matter what the current playing status is, even playing has not been started at all. How can I do this?

推荐答案

我遇到了同样的问题，我通过将以下代码放入onCreate()函数中来解决了这个问题.

I had the same problem and I solved it by putting the following code in my onCreate() function.

setVolumeControlStream(AudioManager.STREAM_MUSIC);

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