MainActivity

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;

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

public class TriviaActivity32 extends AppCompatActivity {
    LocalBroadcastManager localBroadcastManager;
    BroadcastReceiver broadcastReceiver;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_trivia32);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        localBroadcastManager = LocalBroadcastManager.getInstance(this);
        broadcastReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {

                String dateIntrebare = intent.getStringExtra("intrebare");
                Log.d("Service", dateIntrebare);

                try {
                    JSONObject myJson = new JSONObject(dateIntrebare);
                    JSONObject jsonQuestion = (JSONObject) myJson.getJSONArray("results").get(0);
                    String question = jsonQuestion.getString("question");
                    Log.d("Service", question);
                    String raspunsBun = jsonQuestion.getString("correct_answer");
                    Log.d("Trivia", raspunsBun);
                    JSONArray raspunsuriGresite =jsonQuestion.getJSONArray("incorrect_answers");
                    for(int i= 0; i < raspunsuriGresite.length(); i++){
                        String  element = (String) raspunsuriGresite.get(i);
                        Log.d("Trivia", element);
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                    Log.d("Trivia", e.toString());
                }
            }
        };
        Intent myIntent = new Intent(this, MyService.class);
        startService(myIntent);
    }

    @Override
    protected void onResume() {
        super.onResume();
        localBroadcastManager.registerReceiver(broadcastReceiver, new IntentFilter("send_intrebare"));
    }

    @Override
    protected void onPause() {
        super.onPause();
        localBroadcastManager.unregisterReceiver(broadcastReceiver);
    }
}