import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;

public class Post {
private static final MediaType JSON
        = MediaType.parse("application/json; charset=utf-8");

OkHttpClient client = new OkHttpClient();

  public  String post(String url, String json) throws IOException {
    RequestBody body = RequestBody.create(JSON, json);
    Request request = new Request.Builder()
            .url(url)
            .post(body)
            .build();
     Response response =client.newCall(request).enqueue(new Callback() {
         @Override
         public void onFailure(Call call, IOException e) {

         }

         @Override
         public void onResponse(Call call, final Response response) throws     IOException {
             try {
                 String responseData = response.body().string();
                 JSONObject json = new JSONObject(responseData);
                 final String owner = json.getString("name");
             } catch (JSONException e) {

             }
         }
     });

     return response.body().string();

}

}