All other implementations of the bottom sheet patter and sliding panel pattern implement a panel that sits above all the other Views of the app. When the panel is collapsed (but visible) the only way to set its position is by using a peek factor (its distance from the bottom of the screen).

With sliding-panel instead, the bottom sheet is placed exactly where it is supposed to be in the view hierarchy, just like it would be in a vertical LinearLayout. It doesn't sit above other Views.

Read the documentation on GitHub.