Attempts to populate spinner - will continue tomorrow.

src/main/java/com/example/pharmacy/frontEnd/Settings.java

@@ -8,6 +8,7 @@ import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
+import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageButton;
@@ -51,8 +52,15 @@ public class Settings extends AppCompatActivity{
                 startActivity(intent);
             }
         });
+        populateSpinner();
     }
 
+    private void populateSpinner(){
+        Spinner spinner = (Spinner) findViewById(R.id.spinner);
+        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.notification_periods, android.R.layout.simple_spinner_item);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinner.setAdapter(adapter);
+    }
     private void displaySavedToast(View view){
         Toast saved = Toast.makeText(view.getContext(), R.string.settings_saved,Toast.LENGTH_SHORT);
         saved.show();

src/main/res/values/integer-arrays.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <integer-array name="notification_periods">
+        <item>5</item>
+        <item>10</item>
+        <item>15</item>
+        <item>20</item>
+        <item>25</item>
+        <item>30</item>
+        <item>35</item>
+        <item>40</item>
+        <item>45</item>
+        <item>50</item>
+        <item>55</item>
+        <item>60</item>
+        <item>90</item>
+        <item>120</item>
+    </integer-array>
+
+</resources>
\ No newline at end of file