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android开发音乐播放器

[英]android-developing music player

I'm developing an Android music player and so my app should be able to detect volume key presses even when no Activity of my app is open and the screen is off(a background service is playing the media). 我正在开发一个Android音乐播放器,因此即使未打开我的应用程序的“活动”并且屏幕关闭(后台服务正在播放媒体),我的应用程序也应该能够检测到音量按键。 I was thinking that it seems crystal clear that i should detect volume key presses from my service but as I searched the net, I got that it is impossible(eg as described here ). 我在想,看起来晶莹剔透,我应该从我的服务检测音量按键,但我找遍了网,我得到了,这是不可能的(例如,作为描述在这里 )。 so what should I do?!!! 所以我该怎么做?!!!

您需要创建服务 ,因为在屏幕关闭时活动不会运行

You need to run player in service. 您需要在服务中运行播放器。 Also, you must set media type as music. 另外,您必须将媒体类型设置为音乐。

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