Background with a cut in on edge / Custom background shape

Question

I have to create ViewPager with Fragments, and the main problem is that, each Fragment's background needs to have a cut in on edge in background. The cut in should expand while dragging. Do you have any ideas how to do it?

It should look like that:

Answer 1

U can refer the Flowing Drawer in the git

Link :https://github.com/mxn21/FlowingDrawer

In this sample they are using a "LeftDrawerLayout" a custom class to handle this effect and its property is set by FlowingView.

Use this to create a custom class.