gistfile1.txt

public class Retro {

    private static OkHttpClient httpClient;
    private static Retrofit retrofit;

    private static RetrofitServiceProfile mServiceProfile;

    static {

        httpClient = new OkHttpClient();
        httpClient.interceptors().add(new OkHttpInterceptor());

//        Gson gson = new GsonBuilder()
//                .registerTypeAdapterFactory(new ItemTypeAdapterFactory()) // This is the important line ;)
//                .setDateFormat("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'SSS'Z'")
//                .create();


        retrofit = new Retrofit.Builder()
                //  .baseUrl("http://dev.vmrhost.net/tests/webike/frontend/api/v4_inpulse/")
                //  .baseUrl("https://api.moveapponline.com/v4/")
                .baseUrl("http://api.online.kreckm.pl/v4/")
                .client(httpClient)
              //  .addConverterFactory(GsonConverterFactory.create(gson))
                .addConverterFactory(GsonConverterFactory.create())
                .build();


        mServiceProfile = retrofit.create(RetrofitServiceProfile.class);

    }

    public Retrofit getInstance() {
        return retrofit;
    }

    public static RetrofitServiceProfile getServiceProfile() {

        return mServiceProfile;
    }


}

gistfile2.txt

public interface RetrofitServiceProfile {

    @GET("users/{id}/thumb:300x300")
    Call<ResponseProfile> getProfile(@Path("id") int id);

}

gistfile3.txt

package com.main.model.profile;

import com.google.gson.annotations.SerializedName;
import com.j256.ormlite.field.DatabaseField;
import com.j256.ormlite.table.DatabaseTable;

import java.io.Serializable;


/**
 * Created by Adam Fręśko - Deadswine Studio on 2016-01-08.
 */
public class Profile implements Serializable {

    public static final String PRIVACY_FULL = "FULL";
    public static final String PRIVACY_BASIC = "BASIC";
    public static final String PRIVACY_BASIC_STATS = "BASIC_STATS";

    public static final String TYPE_EMPTY = "TYPE_EMPTY";

    private String type;


    boolean isSelf = true;

   
    private long id;
    private String token;

    @SerializedName("new")
    private boolean new_account;


    private String first_name;
   
    private String last_name;

    @Deprecated
    private int city;

    @Deprecated
    private int state;

  
    private String gender;
    
    private String birthdate;

    @DatabaseField
    private float weight;

   
    private String photo_url;
    
    private String location;


    private String manual_location;

    private String rules_acceptation;


    private String[] favourite_sports;

    private int friends_count;
    private int achievements_count;


    
    private boolean is_friend;

    private boolean invited;

   
    @SerializedName("friends_privacy_policy")
    private String privacyFriends;

  
    @SerializedName("others_privacy_policy")
    private String privacyOthers;

    private Integer[] distance_weekly;
    private Integer[] activities_weekly;

    public boolean is_facebook;

    public String email;

    public Profile() {

    }

    public Profile(long id, String name, String url) {
        this.id = id;
        this.first_name = name;
        this.photo_url = url;
    }


    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder("Profile{");
        sb.append("id=").append(id);
        sb.append(", first_name='").append(first_name).append('\'');
        sb.append(", last_name='").append(last_name).append('\'');
        sb.append(", photo_url='").append(photo_url).append('\'');
        sb.append(", location='").append(location).append('\'');
        sb.append(", manual_location='").append(manual_location).append('\'');
        sb.append('}');
        return sb.toString();
    }


}

gistfile4.txt

 RetrofitServiceProfile client = Retro.getServiceProfile();

        Call<ResponseProfile> call = client.getProfile(93632);
    
       log(" call.execute(): " +    call.execute().raw());