我正在使用Retrofit 2向TMDB发出API请求。我可以从日志中看到，请求正在发出，响应正在返回，但是，我的模型对象没有被填充。我已经仔细检查了JSON数据类型，很高兴它们没问题。有人能看出我做错了什么吗？

MovieListViewModel

@HiltViewModel
class MovieListViewModel @Inject constructor(private val repository: MoviesListRepository) : ViewModel() {

    init {
        viewModelScope.launch(Dispatchers.IO) {
            val discoverMoviesResponse = getMovieList()
            movieDataState.value = discoverMoviesResponse?.results ?: arrayListOf()
        }
    }

    val movieDataState: MutableState<List<MovieData>> = mutableStateOf(emptyList())

    private suspend fun getMovieList(): DiscoverMoviesResponse? {
        return repository.getDiscoverMovies()
    }
}

字符串

MoviesListRespository

class MoviesListRepository(private val tmdbWebService: TMDBWebService = TMDBWebService()) {
    private var cachedDiscoverMoviesResponse:DiscoverMoviesResponse = DiscoverMoviesResponse(
        0,
        arrayListOf(),
        0,
        0
    )

    suspend fun getDiscoverMovies(): DiscoverMoviesResponse {
        val response = tmdbWebService.getDiscoverMovies().discoverMoviesResponse
        cachedDiscoverMoviesResponse = response
        return response
    }
}

型

TMDBWebService

class TMDBWebService {
    private lateinit var api: TMDBApi
    private val BASE_URL: String = "https://api.themoviedb.org/3/"

    init {
        val interceptor = HttpLoggingInterceptor()
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY)
        val okHttpClient: OkHttpClient = OkHttpClient.Builder()
            .addInterceptor(interceptor)
            .build()

        val retrofit = Retrofit.Builder()
            .baseUrl(BASE_URL)
            .addConverterFactory(GsonConverterFactory.create())
            .client(okHttpClient)
            .build()

        api = retrofit.create(TMDBApi::class.java)
    }

    suspend fun getDiscoverMovies(): TMDBDiscoverMoviesResponse {
        //ToDo: These should be passed in from a higher layer
        return api.getDiscoverMovies(
            API_KEY,
            (VAL_COMPANIES_DISNEY_ANIMATION + PIPE_SEPARATOR + VAL_COMPANIES_DISNEY_PRODUCTION),
            VAL_GENRES_ANIMATED
        )
    }

    interface TMDBApi {
        @GET("discover/movie")
        suspend fun getDiscoverMovies(
            @Query(PARAM_QUERY_API_KEY) apiKey: String,
            @Query(PARAM_QUERY_KEY_WITH_COMPANIES) withCompany: String,
            @Query(PARAM_QUERY_KEY_WITH_GENRES) withGenres: String

        ): TMDBDiscoverMoviesResponse
    }

    companion object {
        private const val PIPE_SEPARATOR: String = "|"
        private const val API_KEY: String = "ABC12345" //This is modified purely for sharing, the actual key is sent
        private const val SEARCH_TYPE: String = "discover"
        private const val PARAM_QUERY_API_KEY: String = "api_key"
        private const val PARAM_QUERY_KEY_WITH_COMPANIES: String = "with_companies"
        private const val PARAM_QUERY_KEY_WITH_GENRES: String = "with_genres"
        private const val VAL_COMPANIES_DISNEY_ANIMATION: String = "6125"
        private const val VAL_COMPANIES_DISNEY_PRODUCTION: String = "3166"
        private const val VAL_GENRES_ANIMATED: String = "16"

    }
}

型

TMDBApiResponse类

data class TMDBDiscoverMoviesResponse(val discoverMoviesResponse: DiscoverMoviesResponse)

data class DiscoverMoviesResponse(
    @SerializedName("page") val page: Int,
    @SerializedName("results") val results: List<MovieData>?,
    @SerializedName("total_pages") val total_pages: Int,
    @SerializedName("total_results") val total_results: Int,
)

data class MovieData(
    @SerializedName("adult") val adult: Boolean,
    @SerializedName("backdrop_path") val backdropPath: String,
    @SerializedName("genre_ids") val genreIds: List<Int>,
    @SerializedName("id") val id: Int,
    @SerializedName("original_language") val originalLanguage: String,
    @SerializedName("original_title") val originalTitle: String,
    @SerializedName("overview") val overView: String,
    @SerializedName("popularity") val popularity: Double,
    @SerializedName("poster_path") val posterPath: String,
    @SerializedName("release_date") val releaseDate: String,
    @SerializedName("title") val title: String,
    @SerializedName("video") val video: Boolean,
    @SerializedName("vote_average") val voteAverage: Double,
    @SerializedName("vote_count") val voteCount: Int
)

型

JSON响应

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 spies lovely Perdita and maneuvers his master, Roger, into meeting Perdita's owner, Anita. The owners fall in love and marry, keeping Pongo and Perdita together too. After Perdita gives birth to a litter of 15 puppies, Anita's old school friend Cruella De Vil wants to buy them all. Roger declines her offer, so Cruella hires the criminal Badun brothers to steal them -- so she can have a fur coat.","popularity":64.676,"poster_path":"/mRY84MJeWKnp9joev82QtslJFvk.jpg","release_date":"1961-01-25","title":"One Hundred and One Dalmatians","video":false,"vote_average":7.2,"vote_count":5717},{"adult":false,"backdrop_path":"/kZTfsQyZ1LJmuFp5bIHrXJxi5tl.jpg","genre_ids":[10751,16,12],"id":9325,"original_language":"en","original_title":"The Jungle Book","overview":"The boy Mowgli makes his way to the man-village with Bagheera, the wise panther. Along the way he meets jazzy King Louie, the hypnotic snake Kaa and the lovable, happy-go-lucky bear Baloo, who teaches Mowgli \"The Bare Necessities\" of life and the true meaning of friendship.","popularity":66.09,"poster_path":"/yN1kuupnPTLUprgfvC5WapgrxG4.jpg","release_date":"1967-10-18","title":"The Jungle Book","video":false,"vote_average":7.3,"vote_count":5725},{"adult":false,"backdrop_path":"/yGgEg4yimYQJLZrZg3Qhogp2raQ.jpg","genre_ids":[10751,16,10749],"id":10340,"original_language":"en","original_title":"Lady and the Tramp","overview":"Lady, a golden cocker spaniel, meets up with a mongrel dog who calls himself the Tramp. He is obviously from the wrong side of town, but happenings at Lady's home make her decide to travel with him for a while.","popularity":55.784,"poster_path":"/r9FiDSdBwNHdRwN0NMRrqfEHJGO.jpg","release_date":"1955-06-22","title":"Lady and the Tramp","video":false,"vote_average":7.1,"vote_count":4812}],"total_pages":37,"total_results":737}

型

JSON响应体

有人能看出我做错了什么吗？我没有看到任何错误，只是在签入代码时的响应体从未被填充，即。total_results等...总是0。
值得注意的是，MoviesListRepository中的方法getDiscoverMovies中的以下行返回null，即使OKHTTP日志指示已返回响应。
val response = tmdbWebService.getDiscoverMovies().discoverMoviesResponse个