I'm trying to implement a view where one of the views slides on top of another view when the user scrolls. I've recently noticed that many popular apps employ this technique. The best example comes from the mobile version of the Google Play store. When you view an app's store listing, the top portion of the activity is a view with a picture or video of the app, and the bottom portion slides over the top portion when the user begins to scroll (see screenshots below). Is this available as a library somewhere or is this feature built in-house? I know that SlidingUpPanel (https://github.com/umano/AndroidSlidingUpPanel) does something similar, but based on my somewhat-limited research, their 'sliding view' seems to fling to the top or bottom.
So before I jump into it and try to create my own version of this feature, I just wanted to make sure that someone hasn't already invented the wheel.
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