First step creating an arc layout manager

ArcLayoutManager.kt

package com.omarkrostom.arclayoutmanager

import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView

class ArcLayoutManager: RecyclerView.LayoutManager() {
    override fun generateDefaultLayoutParams(): RecyclerView.LayoutParams =
            RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
}