保持卡片內的圖像可見在回收器上查看旋轉設備后的視圖

我正在嘗試在Kotlin中為一個學校項目制作一個簡單的Android應用程序，該應用程序顯示了一些來自互聯網的圖像。這些圖像顯示在cardView中，在具有網格布局的recyclerView中。

在每個cardView中，我都會從picsum中獲得一個隨機圖像，我還有一個星形圖標，用于將圖像標記為最喜愛的圖像。此工作的目的是使用sharedPreferences。因此，我必須存儲哪個圖像被設置為收藏夾（一次只能有一個），并存儲該位置，以便每當我旋轉設備時，圖標保持可見。

我應該如何存儲它，以及我應該在哪個函數中調用sharedPreferences數據來顯示圖標？

Adapter.kt

package com.example.bottomnavigationapp.fragimages.ui

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import androidx.recyclerview.widget.RecyclerView
import com.example.bottomnavigationapp.R
import com.squareup.picasso.Picasso

class GridItemAdapter(
    val cardImages: Array<String>,
    private val listener: OnItemClickListener) :
    RecyclerView.Adapter<GridItemAdapter.ViewHolder>() {

    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView),
    View.OnClickListener{

        val cardImage : ImageView = itemView.findViewById(R.id.cardImage)
        val favImage : ImageView = itemView.findViewById(R.id.favImage)

        init {
            cardImage.setOnClickListener(this)
        }


        override fun onClick(v: View?) {
            var position : Int = adapterPosition
            val address = cardImages[position]
            if (position != RecyclerView.NO_POSITION) {
                listener.onItemClick(position, favImage, address)
            }
        }
    }

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

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        Picasso.get().load(cardImages[position]).into(holder.cardImage)
    }

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

    interface OnItemClickListener {
        fun onItemClick(position: Int, favImage: ImageView, address: String)
    }
}

Fragment.kt

package com.example.bottomnavigationapp.fragimages.ui

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.Fragment
import androidx.recyclerview.widget.GridLayoutManager
import com.example.bottomnavigationapp.R
import com.example.bottomnavigationapp.databinding.FragmentImagesBinding

class ImagesFragment : Fragment(), GridItemAdapter.OnItemClickListener {
    private lateinit var binding: FragmentImagesBinding
    var hasFavourite : Int = -1



    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        binding = FragmentImagesBinding.inflate(inflater, container, false)
        val cardImages : Array<String> = resources.getStringArray(R.array.cardImages)
        val adapter = GridItemAdapter(cardImages, this)
        val gridLayout = GridLayoutManager(context, 2)
        binding.gridItems.layoutManager = gridLayout
        binding.gridItems.adapter = adapter

        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        (activity as AppCompatActivity?)!!.supportActionBar!!.title = "Images Fragment"
        super.onViewCreated(view, savedInstanceState)

    }

    override fun onItemClick(position: Int, favImage: ImageView, address: String) {
        if (hasFavourite < 0) {
            Toast.makeText(context, "Address: $address", Toast.LENGTH_SHORT).show()
            val favAddress = address
            val favStatus = true

            val sharedPreferences = requireActivity().applicationContext.getSharedPreferences("myPref", 0)
            val editor = sharedPreferences.edit()

            editor.apply {
                putString("favAddress", address)
                putBoolean("favStatus", favStatus)
            }

            favImage.visibility = View.VISIBLE
            hasFavourite = position
            Toast.makeText(context, "Item $position set to favourite", Toast.LENGTH_SHORT).show()
        }
         else if (hasFavourite == position) {
            favImage.visibility = View.GONE
            hasFavourite = -1
        }
        else {
            Toast.makeText(context, "Favourite already set at position $hasFavourite", Toast.LENGTH_SHORT).show()
        }
    }

}