android - 怎么判断当前所处的界面是本应用？我想通过这个实现当前应用内不显示悬浮窗，在其他任何地方都显示的功能

Question

我想实现的是类似于桌面歌词的功能，网上看过其他的方法，但是好像弃用了，想知道最新的，能兼容到6.0的实现方法

Answer 1

This is how to display a floating window?

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Since the questioner has modified the question description, I have added the answer to the question. I hope the questioner can choose the method that suits him
6 ways to determine whether the app is in the foreground or the background