问题描述
我有视图模型,我通过以下方式得到响应
@Hiltviewmodel
class GiphyTaskviewmodel
@Inject
constructor(private val giphyTaskRepository: GiphyTaskRepository):viewmodel()
{
var giphyresponse=mutablelivedata<List<DataItem>>()
fun getGifsFromText(apikey:String,text:String,limit:Int)= viewmodelScope.launch {
giphyTaskRepository.getGifsFromText(apikey,text,limit).let { response->
if(response?.isSuccessful){
var list=response.body()?.data
giphyresponse.postValue(list)
}else{
Log.d("TAG","getGifsFromText: ${response.message()}");
}
}
}
}
但我想添加 Result.Success 逻辑,如果它是错误 Result.Error 使用密封类我会成功
在我的 Repository 类下面
class GiphyTaskRepository
@Inject
constructor(private val giphyTaskApiService: GiphyTaskApiService)
{
suspend fun getGifsFromText(apikey:String,limit:Int)=
giphyTaskApiService.getGifsFromText(apikey,limit)
}
在我的 getResponse 下方
interface GiphyTaskApiService {
@GET("gifs/search")
suspend fun getGifsFromText(
@Query("api_key") api_key:String,@Query("q") q:String,@Query("limit") limit:Int
):Response<GiphyResponse>
}
在我的响应类下面
@Parcelize
data class GiphyResponse(
@field:Serializedname("pagination")
val pagination: Pagination,@field:Serializedname("data")
val data: List<DataItem>,@field:Serializedname("Meta")
val Meta: Meta
) : Parcelable
以下结果密封类
sealed class Result
data class Success(val data: Any) : Result()
data class Error(val exception: Exception) : Result()
解决方法
更新您的 giphyresponse
变量:
var giphyresponse=MutableLiveData<List<DataItem>>()
到:
var giphyresponse=MutableLiveData<Result<List<DataItem>>>()
现在更新您在 GiphyTaskViewModel 中的函数:
fun getGifsFromText(apikey:String,text:String,limit:Int)= viewModelScope.launch {
giphyTaskRepository.getGifsFromText(apikey,text,limit).let { response->
if(response?.isSuccessful){
var list=response.body()?.data
giphyresponse.postValue(Success(list))
}else{
giphyresponse.postValue(Error(Exception(response.message())))
Log.d("TAG","getGifsFromText: ${response.message()}");
}
}
}