按下主页按钮时如何停止播放音频？
我的应用程序始终在服务中运行背景音频。当我单击主页按钮时，控件返回主屏幕，但音频继续播放。
那么，如何在单击主页按钮时停止播放音频呢？
My application always runs a background audio in services. When I click the home button, the control comes back to home screen but the audio keeps on playing.
So, how can I stop playing audio when I click the home button?
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如果音频正在由
Service播放，那么即使Activity被销毁，它也不会受到影响。这正是将其分离为服务的目的。如果您希望它依赖于您的 UI，请将播放移至 Activity。当 Activity 完成时它将停止。或者，您可以向服务发送消息以停止音乐。
有关更多详细信息，请参阅开发指南：http://developer.android.com /guide/topics/fundamentals/bound-services.html
If the audio is being played by a
Service, then it won't be affected if anActivityis being destroyed. That is exactly the purpose of separating it into a Service.If you want it to be dependent on your UI, then move the play to the Activity instead. It will stop when the Activity finishes. Alternatively, you can send a message to the Service in order to stop the music.
See the dev guide for more details: http://developer.android.com/guide/topics/fundamentals/bound-services.html
您的 Activity 可以重写 onPause() 和/或 onWindowFocusChanged() 以检测您不再运行或位于显示屏顶部。如果活动不可见，这些是停止播放不打算播放的音频的好地方，您只需小心切换到应用程序中的其他活动即可。
Your activity can override onPause() and/or onWindowFocusChanged() to detect that you're no longer running or on top of the display. These are good places to stop playing audio that isn't intended to be playing if the activity isn't visible, you just have to be careful about switching to other activities within your application.
覆盖
onPause()并在onResume()上恢复它。为什么在
Service上播放音乐？在这种情况下，请使用
bindService()和unbindService()。因此，当Activity调用unbindService()时，Service可以响应onDestroy()。Override
onPause()and resume it ononResume().Why you play the music on
Service?In that case, use
bindService()andunbindService(). So the Service can respond toonDestroy()whenActivitycallunbindService().