This is one of the most easy to use and developer friendly library to implement Runtime Permissions in Android apps.
A RadioGroup which doesn't lose state with inner ViewGroup. Create a complex views with RadioButtons.
The code brings up an easy way of using recyclerView, with the new recycler adapters. It also contains a BaseRecyclerFragment and a RecyclerStandalone that removes a lot of boiler plate for fragments that contains either grids or lists. It also offers out of the box a DividerItemDecoration that handles the drawing of the divider in the recycler view. As well selectors for the items in your lists are handled.