将 myAdapter 合成转换为视图绑定

Posted 2023-04-18

【中文标题】将 myAdapter 合成转换为视图绑定

【英文标题】：convert myAdapter synthetic to viewbinding

【发布时间】：2022-01-12 09:01:52

【问题描述】：

我很困惑，如何将我的适配器视图从合成更新为视图绑定！ 这是我的代码，如何定义 viewbinding 到 viewHolder？

class PlayersListAdapter(
    var items: ArrayList<MatchPlayer>
) :
    RecyclerView.Adapter<RecyclerView.ViewHolder>() 

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder 

        val inflate: View =
            LayoutInflater.from(parent.context)
                .inflate(R.layout.item_team_player, parent, false)

        return MatchSubstitutionHolder(inflate)
    


    override fun onBindViewHolder(viewHolder: RecyclerView.ViewHolder, position: Int) 

        viewHolder.itemView.lblPlayerName.text = "name"

    

    class MatchSubstitutionHolder(itemView: View) : RecyclerView.ViewHolder(itemView) 

        var view = itemView
    

    override fun getItemCount(): Int 
        return items.size

    

【参考方案1】：

就像在片段或活动中定义视图绑定一样简单

class PlayersListAdapter(
    var items: ArrayList<MatchPlayer>
) :
    RecyclerView.Adapter<TeamPlayersListAdapter.MatchSubstitutionHolder>() 

  

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MatchSubstitutionHolder 

        val binding= ItemTeamPlayerBinding.inflate(LayoutInflater.from(parent.context),parent,false)

        return MatchSubstitutionHolder(binding)
    


    override fun onBindViewHolder(viewHolder: MatchSubstitutionHolder, position: Int) 

        viewHolder.binding.lblPlayerName.text = "name"

    

    class MatchSubstitutionHolder(val binding: ItemTeamPlayerBinding) : RecyclerView.ViewHolder(binding.root)


    override fun getItemCount(): Int 
        return items.size

    

【参考方案2】：

我认为这是最适合你的

class PlayersListAdapter(var items: ArrayList<MatchPlayer>) :
    RecyclerView.Adapter<TeamPlayersListAdapter.MatchSubstitutionHolder>() 

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MatchSubstitutionHolder 
        val binding = ItemTeamPlayerBinding.inflate(LayoutInflater.from(parent.context), parent, false)
        return MatchSubstitutionHolder(binding)
    

    override fun getItemCount(): Int 
        return items.size
    

    override fun onBindViewHolder(viewHolder: MatchSubstitutionHolder, position: Int) 
        viewHolder.bind(position)
    

    class MatchSubstitutionHolder(val binding: ItemTeamPlayerBinding) : RecyclerView.ViewHolder(binding.root) 
        fun bind(position: Int) 
            val matchPlayer = items[position]
            binding.lblPlayerName.text = "name"