CurvedBottomSheetDialogFragment.java

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        (view?.parent as View).setBackgroundColor(Color.TRANSPARENT)
        val resources = resources

        if (resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT) {
            assert(view != null)
            val parent = view?.parent as View
            val layoutParams = parent.layoutParams as CoordinatorLayout.LayoutParams
            layoutParams.setMargins(
                resources.getDimensionPixelSize(R.dimen.screen_margin), // LEFT 16dp
                0,
                resources.getDimensionPixelSize(R.dimen.screen_margin), // RIGHT 16dp
                0
            )
            parent.layoutParams = layoutParams
        }
    }