在iOS7多任务屏幕中以编程方式刷新屏幕截图？ [英] Programmatically refresh screenshot in iOS7 multitasking screen?

问题描述

我有一个音乐播放器应用程序实现背景音频。我试图更新iOS7多任务切换器中的屏幕截图，当轨道改变。所以，如果我背景的应用程序在歌曲A，它完成，歌曲B来，如果我然后进入托盘，我想看到一个截图显示歌曲B的艺术品，标题等。

I have a music player app which implements background audio. I’m trying to update the screenshot in the iOS7 multi-tasking switcher when the track changes. So, if I background the app during Song A, it finishes and Song B comes on, if I then go into the tray I’d like to see a screenshot showing Song B’s artwork, title, etc.

我做了一些挖掘，并没有设法找到任何方式告诉iOS更新缺少实现背景提取和全部用它。有没有其他方法可以这样做，当我的轨道变化时，我可以调用它来刷新它？

I’ve done some digging and not managed to find any way to tell iOS to update short of implementing Background Fetch and going all out with that. Is there another means of doing this, something I can call to tell it to refresh it when my tracks change?

推荐答案

不提供任何方法这样做。即使iOS自己的媒体播放器也没有这个能力。

Apple does not provide any means of doing this. Even iOS own media player does not have this ability.

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