retrofit2

I know this is not the first time someone asking about this problem but with Retrofit2 I can't find the right solution to my problem. I followed a online tutorial and it worked just fine. When I applied same code to my own endpoint i get this exception: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 2 path $ I don't know how to solve this. Interface: public interface MyApiService { // Is this right place to add these headers? @Headers({"application-id: MY-APPLICATION-ID", "secret-key: MY-SECRET-KEY", "application-type: REST"}) @GET("Music") Call

I'm trying to send file on server using Retrofit2. I do everything according documentation, but always get 400 server error. I'm tried to do like this: RequestBody body = RequestBody.create(MediaType.parse("image/png"), photo); //.......... @Multipart @POST(ADD_PHOTO) Observable<HPSPhotoResponse> addPhoto(@Part("file") RequestBody file); ...and like this: MultipartBody.Part part = MultipartBody.Part.createFormData("file", "file", body); //........... @Multipart @POST(ADD_PHOTO) Observable<HPSPhotoResponse> addPhoto(@Part("file") MultipartBody.Part files); does't matter. Result is always the

I want to get string json from my api using retrofit 2, I have no problem when using retrofit 1 to get this json but using retrofit 2 returns null for me. This is what my json looks like {"id":1,"Username":"admin","Level":"Administrator"} This is my API @FormUrlEncoded @POST("/api/level") Call<ResponseBody> checkLevel(@Field("id") int id); This is how my code looks like Retrofit retrofit = new Retrofit.Builder() .baseUrl(Config.BASE_URL) .addConverterFactory(GsonConverterFactory.create()) .build(); Api api = retrofit.create(Api.class); Call<ResponseBody> call = api.checkLevel(1); call.enqueue