You can make your application's window transparent as described in this post: iOS 7 transparency but be careful as this is a non-public API.
Use User Wallpaper as Background in App iOS 7
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01-07-2022 - |
题
So, I was using the Harmony Link app for iPhone with iOS 7, and a very cool visual effect occurred, my background showed up as the background to the window and it even had parallax motion. I noticed a similar occurrence in the Newsstand app.
Does anyone have any ideas on how to import the user's background into an iOS app? (Possibly even with parallax motion?)
Thanks.
I have seen other posts which do not address this question directly.
解决方案
不隶属于 StackOverflow