Update settings.java

app/src/main/java/com/example/soulfood_assignment2/settings.java

 package com.example.soulfood_assignment2;
 
+import android.R.layout;
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.provider.MediaStore;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.SeekBar;
+import android.widget.Spinner;
+
+import static android.R.layout.simple_spinner_dropdown_item;
 
 public class settings extends AppCompatActivity {
 
+    public SeekBar volSeekBar;
+    public AudioManager am;
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setVolumeControlStream(AudioManager.STREAM_MUSIC);
         setContentView(R.layout.activity_settings);
+        initControls();
+
+        Integer[] textSize = new Integer[] {18, 20, 24}; // get off Jade
+        Spinner eqSpinner = findViewById(R.id.eq_dropdown);
+        ArrayAdapter<Integer> spinnerAdapter = new ArrayAdapter<>(this, simple_spinner_dropdown_item, textSize);
+        eqSpinner.setAdapter(spinnerAdapter);
+
+        final MediaPlayer mp = MediaPlayer.create(this, R.raw.beepsoundeffect);
+        Button revertToFactorySettings = findViewById(R.id.factorySettings);
+
+        revertToFactorySettings.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+            mp.start();
+            }
+        });
+    }
+
+    private void initControls() {
+        try {
+            volSeekBar = findViewById(R.id.seekBar);
+            am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+            volSeekBar.setMax(am
+                    .getStreamMaxVolume(AudioManager.STREAM_MUSIC));
+            volSeekBar.setProgress(am
+                    .getStreamVolume(AudioManager.STREAM_MUSIC));
+
+
+            volSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+                @Override
+                public void onStopTrackingTouch(SeekBar arg0) {
+                }
+
+                @Override
+                public void onStartTrackingTouch(SeekBar arg0) {
+                }
+
+                @Override
+                public void onProgressChanged(SeekBar arg0, int progress, boolean arg2) {
+                    am.setStreamVolume(AudioManager.STREAM_MUSIC,
+                            progress, AudioManager.FLAG_PLAY_SOUND);
+                    System.out.print(progress);
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 }