interface ContactServerCommunication

package com.example.kontakti;

import okhttp3.OkHttpClient;
import retrofit2.Call;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public interface ContactServerCommunication {
    public interface ShowMessage{
        public void Message(String message);
    }
    public default void APICallInsert(ContactAPI.contacts contact, ShowMessage message){
        Thread t = new Thread(()->{
            try{
                OkHttpClient client = new OkHttpClient.Builder().build();
                Retrofit retrofit =
                        new Retrofit.Builder()
                                .baseUrl("http://10.0.0.13:4041")
                                .addConverterFactory(
                                        GsonConverterFactory.create()
                                )
                                .client(client)
                                .build();
                ContactAPI api = retrofit.create(ContactAPI.class);

                Call<ContactAPI.contacts> insertedUser = api.api_add_user(contact);
                Response<ContactAPI.contacts> r = insertedUser.execute();
                if(r.isSuccessful()){
                    ContactAPI.contacts resp =r.body();
                    message.Message("INSERTED IN SERVER WITH ID = "+resp.ID);
                }

            }catch (Exception e){
                message.Message("ERROR FROM SERVER: "+e.getLocalizedMessage());

            }

        });
        t.start();

    }


}