bgm to chalk quiz, correct and wrong sfx to chalk quiz

import android.content.Intent;

import android.content.SharedPreferences;

import android.graphics.Color;

import android.media.MediaPlayer;

import android.os.Bundle;

import android.provider.MediaStore;

import android.util.Log;

import android.view.Gravity;

import android.view.LayoutInflater;

                WindowManager.LayoutParams.FLAG_FULLSCREEN

        );

        // BGM

        MediaPlayer backgroundMusic = MediaPlayer.create( this, R.raw.tanpopo );

        backgroundMusic.setLooping(true);

        backgroundMusic.start();

        //for pop up intro

        layout = findViewById(R.id.chalkActivity); // relative is the id of the layout of the page

        CreatepopUpwindow();

                        .show();

            }

            else if(selectedAnswer.equals(ChalkQuestionAnswer.correctAnswers[currentQuestionIndex])){

                //SFX

                MediaPlayer correctSound = MediaPlayer.create(this, R.raw.correct);

                correctSound.start();

                selectedAnswer = "";

                chalkscore++;

                currentQuestionIndex++;

                loadNewQuestion();

            } else {

                MediaPlayer wrongSound = MediaPlayer.create(this, R.raw.wrong);

                wrongSound.start();

                selectedAnswer = "";

                totalWrong++;

                Intent spawnGame = new Intent(getApplicationContext(), QuizToChalkActivity.class);