package com.example.xmlserializationdemo; import okhttp3.OkHttpClient; import okhttp3.logging.HttpLoggingInterceptor; import retrofit2.Retrofit; import retrofit2.converter.simplexml.SimpleXmlConverterFactory; public class RetrofitManager { private static RetrofitManager mInstance = new RetrofitManager(); private MyApiService myApiService; private RetrofitManager() { // For debug HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); logging.setLevel(HttpLoggingInterceptor.Level.BODY); // Custom OkHttp Client OkHttpClient.Builder okHttpClient = new OkHttpClient.Builder(); okHttpClient.addInterceptor(logging); Retrofit retrofit = new Retrofit.Builder() .baseUrl("https://data.ntpc.gov.tw/") // API domain .client(okHttpClient.build()) .addConverterFactory(SimpleXmlConverterFactory.create()) .build(); myApiService = retrofit.create(MyApiService.class); } public static RetrofitManager getInstance() { return mInstance; } public MyApiService getMyApiService() { return myApiService; } }