CardCustomiseAdapter.kt

package com.global.gomoney.ui.cardcustomise

import android.content.res.ColorStateList
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.annotation.ColorRes
import androidx.core.content.res.ResourcesCompat
import androidx.core.view.isVisible
import androidx.core.widget.ImageViewCompat
import androidx.recyclerview.widget.RecyclerView
import com.global.gomoney.R
import com.global.gomoney.databinding.ItemLayoutVirtualCardSelectColorBinding

class CardCustomiseAdapter : RecyclerView.Adapter<CardCustomiseAdapter.ViewHolder>() {

    val colors = arrayOf(R.color.darkIndigo, R.color.purply_purple, R.color.peachy_pink, R.color.maize, R.color.blue_green)

    @ColorRes
    var selectedColor = R.color.blue_green

    lateinit var onColorSelected: (Int) -> Unit

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder =
            ViewHolder(ItemLayoutVirtualCardSelectColorBinding.bind(
                    LayoutInflater.from(parent.context)
                            .inflate(R.layout.item_layout_virtual_card_select_color, parent, false)
            ))

    override fun getItemCount(): Int = colors.size


    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        holder.bind()
    }

    inner class ViewHolder(private val binding: ItemLayoutVirtualCardSelectColorBinding) : RecyclerView.ViewHolder(binding.root) {

        init {
            binding.root.setOnClickListener {
                if (selectedColor != colors[adapterPosition]) {
                    selectedColor = colors[adapterPosition]
                    onColorSelected(selectedColor)
                    notifyDataSetChanged()
                }
            }
        }

        fun bind() {
            ImageViewCompat.setImageTintList(
                    binding.cardColor,
                    ColorStateList.valueOf(ResourcesCompat.getColor(binding.root.resources, colors[adapterPosition], binding.root.context.theme)))
            binding.selectedBg.isVisible = selectedColor == colors[adapterPosition]
        }
    }

}