Interface in Android (kotlin)

RecyclerViewClick.kt

interface RecyclerViewClick {

    fun onItemClick(position: Int)

}

// declare interface in activity

internal var recyclerListener: RecyclerViewClick = object : RecyclerViewClick {

    override fun onItemClick(position: Int) {

         // do you stuff

    }
}


// connection between two class using interface

// first place
adapter = ArtistSelectListAdapter(context, artistList, recyclerListener, true)


// for call interface
holder.rlTop.setOnClickListener(View.OnClickListener {
    recyclerListener.onItemClick(position) // this line call interfacewhere declare

})