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问题描述
是否可以注册一个BroadcastReceiver或东西来获得媒体播放器的音量变化的通知？
Is it possible to register a BroadcastReceiver or something to get notifications of media player volume changes?
感谢
推荐答案
立即值，你可以得到，如果你使用AudioManager
Immediate value you can get if you use AudioManager
AudioManager mAudioManager = Context.getSystemService(Context.AUDIO_SERVICE);
mAudioManager.getStreamVolume(STREAM_MUSIC);
的唯一功能，让您有机会注册广播接收器
The only function that gives you opportunity to register broadcast receiver is
mAudioManager.registerMediaButtonEventReceiver(audioBroadcastReceiver);
在这里audioBroadcastReceiver延伸的BroadcastReceiver，必须在应用程序清单中声明。
where audioBroadcastReceiver extends BroadcastReceiver and must be declared in the application manifest.
不知道这正是你所期待的。
Not sure if this is exactly what you were looking for.
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