How to add a custom hortizontal "S" shape to a view

I'm having a layout which is basically loaded with background within the layout on top there will be a view with custom shape which is horizontal "S" curve i tried creating custom drawable shapes but that doesn't what i want to implement is somewhat similar to this arc layout library:-https://github.com/ogaclejapan/ArcLayout

but here it doesn't support the shape i want to implement.

This is a screenshot of the layout i want to implement. Any suggestions will be appreciated.