android - RecyclerView 和数据库 - java.lang.IndexOutOfBoundsException：检测到不一致。无效的视图支架适配器

问题描述

可以删除数据库中添加的第一个项目（最旧的项目），但是当我尝试从中删除项目或数据库中添加的最新项目时，会发生以下错误。deletePlayerHistory()调用函数以从数据库中删除项目。
如下图所示：

项目 1（数据库中添加的最新项目）-> 错误
项目 2 -> 错误
项目 3 -> 错误
项目 4（数据库中添加的第一个项目）-> 可以删除

FriendHistoryAdapter.kt

class FriendHistoryAdapter(
    private var friendHistoryData: List<FriendHistoryData>,
    private val friendHistoryDao: FriendHistoryDao,
    private val mContext: Context
) :
    RecyclerView.Adapter<FriendHistoryAdapter.FriendHistoryHolder>(), CoroutineScope {

    private val job = Job()
    override val coroutineContext: CoroutineContext
        get() =job + Dispatchers.Main

    class FriendHistoryHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

        val textViewPlayer1: TextView = itemView.findViewById(R.id.text_view_player_one_name)
        val textViewPlayer2: TextView = itemView.findViewById(R.id.text_view_player_second_name)
        val textViewScore: TextView = itemView.findViewById(R.id.text_view_score)
        val textViewWhoWon: TextView = itemView.findViewById(R.id.text_view_player_won)
        val deleteImageButton: ImageView = itemView.findViewById(R.id.image_delete)

    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FriendHistoryHolder {
        val itemView: View = LayoutInflater.from(parent.context)
            .inflate(R.layout.friend_history_item, parent, false)
        return FriendHistoryHolder(itemView)
    }

    @SuppressLint("SetTextI18n")
    override fun onBindViewHolder(holder: FriendHistoryHolder, position: Int) {

        holder.textViewPlayer1.text = friendHistoryData[position].playerOneName
        holder.textViewPlayer2.text = friendHistoryData[position].playerSecondName
        holder.textViewScore.text =
            "Score: ${friendHistoryData[position].playerOneScore}-${friendHistoryData[position].playerSecondScore}"
        when {
            friendHistoryData[position].playerOneScore > friendHistoryData[position].playerSecondScore ->
                holder.textViewWhoWon.text = "${friendHistoryData[position].playerOneName} won!"
            friendHistoryData[position].playerOneScore < friendHistoryData[position].playerSecondScore ->
                holder.textViewWhoWon.text =
                    "${friendHistoryData[position].playerSecondName} won!"
            else -> holder.textViewWhoWon.text = "Draw!"
        }
        holder.deleteImageButton.setOnClickListener {
            deletePlayerHistory(position)
        }
    }

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

    private fun deletePlayerHistory(position: Int) {
        val item = friendHistoryData[position]
        (friendHistoryData as MutableList).remove(item)
        launch {
            friendHistoryDao.deleteHistory(item)
            Toast.makeText(mContext, "Item removed", Toast.LENGTH_SHORT).show()
        }
        notifyItemChanged(position)
    }
}

VSFriendHistory.kt

class VsFriendHistory : BaseActivity() {
    private lateinit var friendHistoryWholeData: List<FriendHistoryData>
    private lateinit var friendRecyclerView: RecyclerView

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_vs_friend_history)

        friendRecyclerView = findViewById(R.id.friend_recycler_view)
        friendRecyclerView.layoutManager = LinearLayoutManager(this)
        friendRecyclerView.setHasFixedSize(true)
        
        launch{
            lateinit var friendHistoryDao: FriendHistoryDao
            val database: FriendHistoryDatabase? = application?.let {
                FriendHistoryDatabase.getInstance(it)
            }
            if (database != null) {
                friendHistoryDao = database.friendHistoryDao()
            }
            friendHistoryWholeData = friendHistoryDao.getWholeHistory()
            friendRecyclerView.adapter = FriendHistoryAdapter(friendHistoryWholeData,friendHistoryDao,application)
            if (friendHistoryWholeData.isEmpty()) {
                Toast.makeText(baseContext, "No history to show", Toast.LENGTH_SHORT).show()
            }
        }
    }
}

FriendHistoryData.kt

@Entity(tableName = "friend_history")
data class FriendHistoryData(
    val playerOneName: String,
    val playerSecondName: String,
    val playerOneScore: Int,
    val playerSecondScore: Int
) {
    @PrimaryKey(autoGenerate = true)
    var id = 0
}

标签： androidandroid-recyclerviewandroid-roomkotlin-coroutinesandroid-database

android - RecyclerView 和数据库 - java.lang.IndexOutOfBoundsException：检测到不一致。无效的视图支架适配器

问题描述

解决方案

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