ControlFragment.java

package edu.neu.madcourse.michellelee.numad18s_michellelee;

import android.app.AlertDialog;
import android.app.Fragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ToggleButton;


public class ControlFragment extends Fragment {

    private MediaPlayer mMediaPlayer;// for music
    private AlertDialog mDialog;     // acknowledgments dialog

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_control, container, false);
        View main = rootView.findViewById(R.id.button_main);
        View restart = rootView.findViewById(R.id.button_restart);
        final Button music = (Button) rootView.findViewById(R.id.button_music);

        // start playing background music on startup
        mMediaPlayer = MediaPlayer.create(getActivity(), R.raw.stardust);
        mMediaPlayer.setLooping(true);
        mMediaPlayer.start();

        main.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                getActivity().finish();
            }
        });

        restart.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View view) {
//                ((GameActivity) getActivity()).restartGame();
//            }
            @Override
            public void onClick(View view) throws RuntimeException {
                Intent newGameIntent = new Intent(getActivity(), GameActivity.class);
                startActivity(newGameIntent);
            }
        });

        music.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                music.setSelected(!music.isSelected());
                if (music.isSelected()) {
                    music.setText(getResources().getString(R.string.music_on));
                    mMediaPlayer.stop();
                    mMediaPlayer.release();
                } else {
                    music.setText(getResources().getString(R.string.music_off));
                    mMediaPlayer = MediaPlayer.create(getActivity(), R.raw.stardust);
                    mMediaPlayer.setLooping(true);
                    mMediaPlayer.start();
                }
            }
        });

        // SET UP ACKNOWLEDGMENTS BUTTON
        View ackButton = rootView.findViewById(R.id.scroggle_ack);

        // determining action when clicked
        ackButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

                LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                View dialogView = inflater.inflate(R.layout.scroggle_ack, null);     // create view for custom dialog
                builder.setCancelable(false);
                builder.setView(dialogView);    // set view to ack dialog
                builder.setPositiveButton(R.string.ok_label, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        // nothing
                    }
                });
                mDialog = builder.show();
            }
        });

        return rootView;
    }


}