Ask Your Question
2

How can I implement an OnClickListener for RecyclerView in Kotlin programming language?

asked 2023-03-08 11:00:00 +0000

ladyg gravatar image

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted
1

answered 2022-03-14 10:00:00 +0000

bukephalos gravatar image

Here is an implementation of OnClickListener for RecyclerView in Kotlin programming language:

class MyAdapter(val context: Context, val itemList: List<String>) : RecyclerView.Adapter<MyAdapter.MyViewHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
        val view = LayoutInflater.from(context).inflate(R.layout.my_item_layout, parent, false)
        return MyViewHolder(view)
    }

    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
        holder.itemView.setOnClickListener {
            Toast.makeText(context, "Item clicked: ${itemList[position]}", Toast.LENGTH_SHORT).show()
        }
        holder.bind(itemList[position])
    }

    override fun getItemCount(): Int {
        return itemList.size
    }

    inner class MyViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        fun bind(item: String) {
            itemView.itemTextView.text = item
        }
    }
}

Here, we override the onBindViewHolder() method to set the OnClickListener for the RecyclerView item. We use the setOnClickListener() method to set the click listener for the itemView. Inside the click listener, we show a Toast to indicate that the item has been clicked. Finally, we use the inner keyword to define the MyViewHolder class as an inner class so that we can access the itemList from within the class.

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account. This space is reserved only for answers. If you would like to engage in a discussion, please instead post a comment under the question or an answer that you would like to discuss

Add Answer


Question Tools

Stats

Asked: 2023-03-08 11:00:00 +0000

Seen: 12 times

Last updated: Mar 14 '22