Example of inner class

NativeAdUnitView.kt

class FindViewHolder(val parent: View) {
        val adunitTitle: TextView = parent.findViewById(R.id.adunitTitle)
        val companyText: TextView = parent.findViewById(R.id.companyText)
        val companyLogo: ImageView = parent.findViewById(R.id.companyLogo)
        val unifiedNativeAdView: UnifiedNativeAdView = parent.findViewById(R.id.unifiedNativeAdView)
        val mediaView: MediaView = parent.findViewById(R.id.mediaView)
        val textWrapper: View = parent.findViewById(R.id.textWrapper)
    }

    private val vh: FindViewHolder

    init {
        View.inflate(context, LAYOUT_ID, this)
        vh = FindViewHolder(this)
        vh.unifiedNativeAdView.headlineView = vh.adunitTitle
        vh.unifiedNativeAdView.advertiserView = vh.companyText
        vh.unifiedNativeAdView.iconView = vh.companyLogo
        vh.unifiedNativeAdView.callToActionView = vh.textWrapper

        setupMediaView()
    }