How to get JSON object using Retrofit?

Question

I'm trying to read this JSON using Retrofit but I got this error Could not locate ResponseBody converter for class org.json.JSONObject.

The JSON in ALE2 file

{ "a1":[...], "a2":[...], "a3":[...] }

Code

Retrofit retrofit = new Retrofit.Builder().baseUrl(Constants.BASE_URL).build(); retrofit.create(RetrofitInterface.class).getData().enqueue(new Callback < JSONObject > () { @Override public void onResponse(Call < JSONObject > call, Response < JSONObject > response) { } @Override public void onFailure(Call < JSONObject > call, Throwable t) { } });

RetrofitInterface

public interface RetrofitInterface { @GET("ALE2") Call<JSONObject> getData(); }

I don't want to store them in any model I just want to get the JSON as a string

Nilesh Prajapati · Accepted Answer · 2021-12-20 10:07:44Z

Your interface should look like this :

public interface RetrofitInterface { @GET("ALE2") Call<ResponseBody> getData(); }

To get raw json object return type should be Call<ResponseBody> Once that is done in response you can handle it like below :

retrofit.create(RetrofitInterface.class).getData().enqueue(new Callback<ResponseBody> () { @Override public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) { String responseBody = response.body().string(); JSONObject json = new JSONObject(responseBody); } @Override public void onFailure(Call<ResponseBody> call, Throwable t) { } });

This is how you can set string in JSON object.

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