我正在尝试实现以下Json字符串:

{
   "msg":[
      "football",
      "cricket",
      "baseball",
      "rugby",
      "gulf"
],
   "status":"success"
}

我创建了如下数据类:
class Sports(

    val msg : List<String>,
    val status : String
)


class Msg (

    val football : List<String>,
    val cricket : List<String>,
    val baseball : List<String>,
    val rugby : List<String>,
    val gulf : List<String>
)

现在,我正在尝试获取对象,并按照教程在recyclerview列表中对其进行查看。

如何在下面更改它并在适配器中调用它?
interface PostApi {
    /**
     * Get the list of the pots from the API
     */
    @GET("/posts")
    fun getPosts(): Observable<List<Post>>
}

编辑:

我的适配器类如下:
    class PostListAdapter: RecyclerView.Adapter<PostListAdapter.ViewHolder>() {
        private lateinit var postList:Sports

        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PostListAdapter.ViewHolder {
            val binding: ItemPostBinding = DataBindingUtil.inflate(LayoutInflater.from(parent.context), R.layout.item_post, parent, false)
            return ViewHolder(binding)
        }

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

        override fun getItemCount(): Int {
//Getting error in .isInitialied 'Unresolved reference'
            return if(::postList.isInitialized) postList.message.size else 0
        }

        fun updatePostList(postList: Sports){
            this.postList = postList
            notifyDataSetChanged()
        }

        class ViewHolder(private val binding:
ItemPostBinding):RecyclerView.ViewHolder(binding.root){ //Getting error in root 'Unresolved reference'
            private val viewModel = PostViewModel()

            fun bind(post: Sports){
                viewModel.bind(post) //Getting error saying No value passed for parameter 'position'
                binding.viewModel = viewModel
            }
        }
    }

最佳答案

如果您从服务器获取Json,请按以下方式调用它:

interface SportsApi {
    /**
     * Get the Sports from the API
     */
    @GET("/sports")
    fun getSports(): Observable<Sports>
}

或者,如果您想在本地 checkin ,则必须转换此Json

使用 Gson :
val sports = Gson().fromJson(json, Sports::java.class)

使用 Moshi :
val sports = Moshi.Builder().build().adapter(Sports::java.class).fromJson(json)

10-07 19:35
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