koltin使用RecyclerView

Item

Adapter

class ArticleAdapter(val items: ArrayList) : RecyclerView.Adapter() {

    override fun getItemCount(): Int = items.size


    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder? {
        val itemView = LayoutInflater.from(parent.context).inflate(R.layout.item, parent, false)
        val holder = ViewHolder(itemView)

        itemView.setOnClickListener {
            parent.context.startActivity("id" to holder.topic_id.text)
        }

        return holder
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val item = items[position]
        holder.title.text = item.getString("title")
        holder.topic_id.text = item.getString("id")
        holder.create_at.text = DateTime(item.getString("create_at")).toString("yyyy:MM:dd HH:mm")
    }

    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val title = itemView.find(R.id.article_title)
        val create_at = itemView.find(R.id.create_at)
        val topic_id = itemView.find(R.id.topic_id)
    }
}

Main Layout

Activity

val a_lists = ArrayList()
val adapter = ArticleAdapter(a_lists)

list.layoutManager = LinearLayoutManager(this)
list.adapter = adapter