baseurl 必須以 / 結尾

Question

我有天氣 api 來解析數據 10 天

一切都很好，但我現在遇到 retrofit 問題，我的應用程序崩潰了，我的 URL（帶有 API）最后有 /。

但還是不行。

我也有 retrofit 的依賴注入。

目標是從api獲取數據。

希望您能幫助我解決這個問題。

---

package const

const val BASE_URL = "https://api.weatherapi.com/v1/forecast" +
        ".json?key=a9f9d57b6e064f16b28141346231001&q=London&days=10&aqi=no&alerts=no/" // error here
const val apikey = "a9f9d57b6e064f16b28141346231001"
const val WeatherDays  = 10

---

interface WeatherServiceAPI {

    @GET("forecast.json")
    suspend fun Weatherday(
        @Query("days") days : Int
    ) : WeatherResponse

    @GET("forecast.json")
    suspend fun searchcitybycoord(@Query("lat")lat:String) : List<WeatherLocationDTO>

    @GET("forecast.json")
    suspend fun searchingbyCity(@Query("q") name: String) : List<WeatherLocationDTO>

companion object{
    operator fun invoke(
        connectivityInterceptor: Interceptor
    ):WeatherServiceAPI{
        val requestInterceptor  = Interceptor{
            chain ->  val url = chain.request()
            .url
            .newBuilder()
            .addQueryParameter("key", apikey)
            .build()
            val request = chain.request()
                .newBuilder()
                .url(url)
                .build()
            return@Interceptor chain.proceed(request)
        }
        val okHttpClient = OkHttpClient.Builder()
            .addInterceptor(requestInterceptor)
            .addInterceptor(connectivityInterceptor)
            .build()

        return  Retrofit.Builder()
            .client(okHttpClient)
            .baseUrl("https://api.weatherapi.com/v1/") // error line
            .addCallAdapterFactory(CoroutineCallAdapterFactory())
            .addConverterFactory(GsonConverterFactory.create())
            .build()
            .create(WeatherServiceAPI::class.java)
    }
}
}

---

@Provides
@Singleton
fun providerepository(api:WeatherServiceAPI):ForecastRepository{
    return ForecastRepositoryImpl(api)
}
    @Provides
    @Singleton
    fun provideWeatherApiService(retrofit: Retrofit) =
        retrofit.create(WeatherServiceAPI::class.java)

    @Provides
    @Singleton
    fun provideRetrofit ( okHttpClient: OkHttpClient)  = Retrofit.Builder()
        .addConverterFactory(GsonConverterFactory.create())
        .baseUrl(BASE_URL)
        .client(okHttpClient)
        .build()

    @Provides
    @Singleton
    fun provideOkhttpClient(interceptor: Interceptor): OkHttpClient {
        val httpBuilder = OkHttpClient.Builder().addInterceptor(interceptor)
        return  httpBuilder.build()
    }
    @Provides
    @Singleton
    fun provideinterceptor():Interceptor{
        return Interceptor {
            val request =it.request().newBuilder()
            val actualRequest = request.build()
            it.proceed(actualRequest)
        }
    }

Answer 1

鑒於您在代碼中還有其他內容，您的基礎 URL 應該是https://api.weatherapi.com/v1/ 。

forecast.json來自@GET注釋，查詢參數將需要來自@Query參數到您的 Retrofit 接口函數。